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[分享] HCS-5G RF Advanced H35-462练习题

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发表于 2022-6-21 23:09:24 | 显示全部楼层 |阅读模式

QUESTION 1
5G NR中调度的TTI长度为1个时隙。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 2
NSA组网0ption3X场景,5G小区的SIB广播消息内容通过4G小区发送给UE
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 3
电调天线是指通过电信号调整天线振子的相位,改变水平分量和垂直分量的信号,从而使天线的覆盖距离
发生改变
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 4
NR小区的Ss信道功率会根据实际环境进行动态调整
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 5
在5G网络中,为了用户的安全性考虑,NsA层使用5G-GUTI来取代IMSI作为用户的临时ID
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 6
NR中sRs的相关配置参数只有用户级的,没有小区级的。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 7
NR标准支持 PDCCH信道在时域上最多占据3个符号
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 8
PRACH功率控制目的是在保证NR随机接入成功率的前提下,UE以尽量小的功率发射前导,降低对邻区的干扰
并使得UE省电
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 9
NSA组网中,NR出现掉话时会记录在5G网络侧。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 10
NR采用A3事件触发PSCe11变更。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 11
SgNB站内的辅小区变更使用 SBNB Modification流程。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 12
重传数据的调度优先级高于初传数据调度优先级。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 13
NR网络的调度功能主要是在RRC层实现的
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 14
SRS功率控制主要用于上行信道估计和上行定时,从而保障其精度。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 15
NR系统的覆盖问题优化原则是先优化SS SINR,然后优化 SS RSRP
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 16
NSA网络中,辅站释放比过高均是由NR覆盖差的原因导致
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 17
PScel1变更失败时,UE会发生RRC重建的流程。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 18
NR中一个CCE的带宽是3个RB。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 19
NSA架构下的UE附着网络时,可以直接 Attach到NR网络上。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 20
NR中 PUCCH和 PDCCH信道的调制方式都为QPSK
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 21
上行定时使距离 gNodeB不同的UE发送上行数据能同时到达 gNodeB
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 22
gNodeB在执行资源调度时需要考虑信道质量信息
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 23
NR系统中PBCH信道RE功率会基于小区基准功率 ReferencePwr配置偏置
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 24
NR小区存在钺区覆盖的首要解决思路是降低小区发射功率
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 25
NsA组网中,终端侧收到网络侧释放指示,可能是5G侧发起释放,也可能是4G侧发起释放。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 26
在每TTI调度中,控制面信息的调度优先级绝对高于数据面的调度。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 27
UE发送前导后没有得到gNodeB的响应,则会攀升。功率再次发送前导
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 28
gNodeB通过TPC控制调整 PUSCH和PUCCH功率
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 29
对某些NR测量指标,U2020网管系统可以支持最短1分钟级别的指标上报
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 30
在接入锚点的策略中,如果‘小区禁止’状态被设为‘禁止’,则UE无法占用此小区资源。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 31
5G RAN2.1中,U2020可以同时支持BTS5900和3900的网元管理。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 32
NR小区存在越区覆盖的首要解决思路是降低小区发射功率。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 33
Window Size是TCP窗囗缓存的大小,窗囗越大,对大时延和丢包的抵抗能力越强。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 34
NR中PUCCH和PDCCH信道的调制方式都为QPSK。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 35
NSA场景中触发辅站变更的测量报告是通过LTE传递到NR的
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 36
NR网络中用CQI反映信道的质量状况,UE上报给gNB的CQI是通过测量导频SINR后量化得到的。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 37
NR的DC双连接只存在于核心网为EPC的架构中。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 38
PScell变更失败时,UE会发生RRC重建的流程。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 39
NR系统最多可以同时给UE配置2个BWP。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 40
Massive MIMO特性主要提升NR系统容量与小区覆盖,同时提升用户体验
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 41
NR系统中A3测量报告上报的最大小区数固定为4。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 42
NR逻辑信道根据传输数据的类型分为控制信道与业务信道
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 43
5G终端的每个PDU会话内可能会建立一个或多个QoS流
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 44
3GPP RE115版本中定义的最大调制方式为256QAM
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 45
5G空口的逻辑信道和传输信道的定义与4G空口完全一致
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 46
5GRAN2.1版本的NR系统最多可以同时给UE配置2个BWP
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 47
当空口采用4流发送时,只需要1个码字的处理即可。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 48
UPF在下行数据包中需要封装QFI包头,gNB根据QFI信息将数据包向DRB做映射
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 49
5G中针对PDCCH的信道管理算法在NsA组网和SA组网中是没有差异的
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 50
重定向流程比切换流程有更低的业务中断时延
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 51
调度过程中基站需要获取PDCP层的数据缓存状态。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 52
上下行的调度过程中都需要使用到CQI上报
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 53
下行 PDCCH功率调整算法只针对小区远点用户生效
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 54
PUSCH和PUCCH功率控制命令是使用同一个TPC命令。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 55
在NR峰值测试场景中,我们需要保证 CSI-RS的端口数不能小于终端最大的MIMO流数
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 56
在现网中,我们推荐所有的小区都采用峰值速率场景下的配置参数,提升用户体验。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 57
3GPP re115的5G版本中只定义了5G到4G的互操作,并没有定义5G到2/3G的互操作。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 58
在gNodeB的单板日志中也包含性能指标数据
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 59
在NSA组网中,只要4G侧出现了掉话,那么5G侧一定也会掉话
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 60
下行小区基准功率是指每个射频通道的最大发射功率。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 61
在5G峰值测试的时候,下行RSRP越高峰值速率越高。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 62
4G和5G空闲态之间通过小区重选进行互操作流程.
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 63
5G NAS流程管理包括注册管理和会话管理两部分。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 64
5G NSA组网下空口无需使用SDAP协议层
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 65
5G SA终端开机搜索SSB时按照channe1 raster的步长进行搜索。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 66
gnodeb的某一个测量指标可以属于不同的测量子集。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 67
gNodeB中基本的性能指标上报周期是1个小时。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 68
MR中上行非调度功能只有TDD系统可以支持。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 69
MU-MIM0技术是用于提升单用户的峰值速率。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 70
NR标准支持PDCCH信道在时域上最多占据3个符号。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 71
NSA组网中的限流量上报功能是网络中必须开启的功能。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 72
PRACH信道仅支持开环功率控制
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 73
PUSCH在承载Msg3时的初始功率比承载其它数据时的初始功率要大
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 74
SRB3连接只用于NSA组网
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 75
UE发送前导后没有得到 gnodeb的响应,则会攀升功率再次发送前导
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 76
UE通过MIB消息获取当前SSB波束的索引信息。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 77
切换过程中的惩罚措施是针对切换准备失败的惩罚,而非执行失败的惩罚。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 78
如果服务小区没有配到某个小区的邻区关系,则会导致到这个小区发生切换失败。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 79
所有调度相关的算法在NSA组网和SA组网中没有任何差异
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 80
网络切片功能只针对核心网,无线和传输都不支持切片。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 81
因为5G低频场景下终端不需要儆时频跟踪,因此在低频场景下无需PT-RS
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 82
在5G网络中,为了用户的安全性考虑,NSA层使用5G-GUT1来取代IMSI作为用户的临时ID。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 83
在NSA组网中,我们可以通过 enodeb和 gnodeb之间的CI接口用于数据分流
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 84
在RAN3.0版本中,低频场景下不支持用于波束管理的CSI-RS.
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 85
在RAN3.0版本中,针对TDD 5G网络,只支持case C的SSB波束pattern.
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 86
在SA组网下,同频邻区之间的移动性可以使用重定向流程。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 87
只要服务小区和邻区之间SSB频点或者SCS不同,那么终端对邻区的测量就是异频测量。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 88
终端可以给基站发送功率控制命令,控制PDSCH的发射功率。
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 89
服务小区没有连接附近小区的邻区服务,说明小区切换失败
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 90
5G中的PDU会话建立请求一定是UE侧主动触发的。
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 91
上行定时使得同一个gNdeB下,所有UE的TA(timing advance)值都时刻保持为0.
A. 对
B. 错
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 92
在window size中,窗口越大,时延的抵抗能力就越强
A. 对
B. 错
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 93
以下哪个NR的系统定义指标是基站级别的?
A. 用户数规格利用率
B. PRB利用率
C. 寻呼资源利用率
D. PDCCH资源利用率
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 94
PBCH的DMRs的频域位置和以下哪个参数相关?
A. Bandwidth
B. ce11ID
C. PCI
D. sI-RNII
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 95
NSA网络中,以下哪一层的统计最接近用户的体验速率?
A. RRC层
B. RLC层
C. 物理层
D. PDCP层
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 96
NR子载波配置为30Khz时,其对应每时隙的符号数和时隙数分别是多少?
A. 14;40
B. 12;20
C. 14;20
D. 12;40
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 97
5G CPE接收机的 Noise Figure(NF)典型值为哪项?
A. 1dB
B. 5dB
C. 7db
D. 3dB
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 98
NSA架构中,B1事件的门限值是如何发给UE的?
A. 通过Pss/Sss
B. 通过RRC重配置信令
C. 通过OSI消息
D. 通过PBCH广播
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 99
在NR组网下,为了用户能获得接近上行最高速率,其MCS值最低要求应该是多少?
A. 16
B. 32
C. 25
D. 20
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 100
为了解决NR网络深度覆盖的问题,以下哪项措施是不可取的?
A. 采用低频段组网
B. 使用 Lampsi te提供室分覆盖
C. 增加NR系统带宽
D. 增加AAU发射功率
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 101
NSA组网时添加SCG小区后UE的随机接入方式属于哪种?
A. 基于非竞争的随机接入
B. 基于竞争的随机接入
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 102
NSA网络中,在以下哪条消息之后标示着UE完全接入5G网络?
A. SgNodeB: Addi tion Comlete之后
B. SgNodeB Addi tion Request之后
C. UE完成在 SgNodeB上的RA之后
D. RRC Connection Reconfi guration之后
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 103
gNOdeB通过 PDCCH的DCI格式Uo/U1调整TPC取值,DCI长度是多少?
A. 4bit
B. 2bit
C. 3bit
D. 1bit
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 104
以下信道或信号中,发射功率跟随PUSCH的是哪项?
A. PUSCH
B. PRACH
C. SRS
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 105
NR系统中1个REG包含了多少个RE?
A. 9
B. 6
C. 14
D. 12
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 106
NSA场景中LTE小区切换过程称为以下哪项?
A. 主站(MeNB)切换
B. 辅站(PSCe11)切换
C. 辅站(PSCe11)变重
D. 主站(MeNB)变更
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 107
以下哪条信令消息可以判断PSce11变更为站间辅站小区变更准备成功?
A. SgNB Modi fication Request Acknowledge
B. SgNB Modification Required
C. SgNB Addition Request Acknow ledge
D. SgNB Change Required
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 108
以下哪项是NR中的基本调度单位?
A. RE
B. REG
C. CCE
D. PRB
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 109
NR下行带宽100Mhz使用SCS为30KHz时,每个RBG包含多少个PRB?
A. 2
B. 8
C. 16
D. 4
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 110
SA网络中,关于NR小区重选的准则描述错误的是哪项?
A. 触发最好小区重选时需要满足Rs<Rn
B. R_S=Qmeas,s+Qhyst
C. R_n=Qmeas,n-Qoffset
D. 满足判决条件至少5s后才会触发重选
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 111
以下信道或信号中,发射功率跟随 PUSCH的是哪项?
A. PUCCH
B. PUSCH
C. PRACH
D. SRS
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 112
NSA网络中,在以下哪条消息之后标示着UE完全接入5网络?
A. SeNodeB Addition Complete之后
B. SgNodeB Addi tion Request之后
C. UE完成在 SgNodeB上的RA之后
D. RRC Connection Reconfi guration之后
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 113
以下哪项不是对CPE做NR下行峰值调测时的建议操作?
A. 时隙配比设置为4:1
B. 调制阶数设置支持256QAM
C. MIMO层数设置为4流
D. 把CPE终端放置在离AAU两米处
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 114
NR小区中,以下哪个指标可以反映UE业务态的覆盖情况?
A. SSB RSRP
B. CSI RSRP
C. PDSCH RSRP
D. CSI SINR
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 115
64T64R AA支持的NR广播波束的水平3dB波宽,最大可以支持多少?
A. 65°
B. 90°
C. 45°
D. 110°
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 116
64T64R AAU在默认配置场景下,广播波束的水平3dB波宽和垂直3d波宽分别是多少?
A. 105°、6° B.
105°、12° C.
65° 、 6° D.
65°、12°
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 117
在使用Pobe进行NsA网络的测试中,发现LTE上行的MAC层速率20Mbps,,但是PDCP层速率为0,以下理
解正确的是哪项?
A. 误码太高,数据为重传导致
B. LTE的数据汇聚到NR的PDCP层
C. 工具统计异常
D. PDCP层故障
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 118
SA组网中,UE做小区搜索的第一步是以下哪项?
A. 帧同步,获取PCI组编号
B. 获取小区信号质量
C. 半帧同步,获取PCI组内ID
D. 获取小区其它信息
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 119
10MHz的带宽下计算5G NR峰值速率,物理层的编码效率理论上可以达到多少?
A. 0.975
B. 0.95
C. 0.9
D. 0.925
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 120
NSA组网中,要CP1.0达到下行1000Mbps峰值,以下哪项为NR小区下行速率的最低要求?
A. 7OOMbps
B. 86OMbps
C. 900Mbps
D. 800Mbps
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 121
大气环境对无线信号衰减景响较大的频段主要集中在哪个区域?
A. 70Ghz附近
B. 28Ghz附近
C. 60Ghz附近
D. 3.5Ghz附近
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 122
5G无线资源调度的最小单位是以下哪项?
A. 子帧
B. 符号
C. 无线帧
D. 时隙
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 123
NR触发A3事件的条件是以下哪项?
A. Mn+Ofn-Hys>Ms+Ofs+Off
B. Mn+Ofn+Ocn>Ms+Ofs+Ocs
C. Mn+Ofn+Ocn+Hys<Ms+Ofs+Ocs+Off
D. Mn+Ofn+ocn-Hys>Ms+Ofs+Ocs+off
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 124
5G RAN2.1 AAU可调电下倾角的调整粒度为以下哪项?
A. 0.5°
B. 1°
C. 2°
D. 0.1°
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 125
标识NR随机接入竞争解决完成的是哪个消息?
A. Msg3
B. Msg1
C. Msg4
D. Msg2
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 126
NR系统中1个CCE包含了多少个REG?
A. 8
B. 6
C. 4
D. 2
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 127
在做NR网络的下行峰值调测时, PDSCH DMRS类型应该配置为以下哪项?
A. Type1
B. Type3
C. Type2
D. Type4
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 128
在NR用户上行速率测试中,对2T4R的终端,建议“上行最大MIMO层数”建议配置为以下哪项?
A. Laver2
B. Laver1
C. Laver3
D. Laver4
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 129
NSA组网中,用户的QCI信息可以在以下哪条命令里获取到?
A. SN Status Transfer
B. RRC CONN RECFG
C. SgNB Add REQ
D. SgNB MOD REQ
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 130
SA架构下给定信道带宽100MHz,上下行配比3DDDSU),特殊子帧配置10:2:2,下行256QAM的情况下
,4R的UE下行峰值速率最接近以下哪项?
A. 1.2 Gbps
B. 1 Gbps
C. 1.6Gbps
D. 1.4Gbps
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 131
gNodeB通过空间分集(分集增益)和相干接收合并(阵列增益)来增强上行信号接收效果的技术是什么?
A. 上行 MU MIMO PUSCH复用
B. 上行用户多流传输
C. 上行多天线接收
D. 上行MU MIMO PUCCH复用
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 132
以下哪种5G网络演进路径部署成本相对最低?
A. NGC +gNB(主)+eNB
B. EPC +eNB(主)+gNB
C. NGC +eNB(主)+gNB
D. NGC+gNB
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 133
以下哪个信号可以反映NR网络上行的覆盖?
A. PDCCH DMRS
B. PBCH DMRS
C. SRS
D. csI-Rs
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 134
在NR辅站变更成功后, MeNodeB会通知MME以下哪条信令?
A. Path Update Procedure
B. RRC Connection Reconfiguration Complete
C. SgNB Information Transfer
D. SgNB Reconfiguration Complete
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 135
以下哪项是5G的端到端的Qos基本单位?
A. PDN
B. EPs承载
C. Qos Flow
D. APN
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 136
Psce11变更过程中对测量结果进行评估判决的是哪个网元?
A. ENodeB
B. gNodeB
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 137
广播消息RMSI和随机接入响应消息RAR,默认采用哪种MSC传输?
A. MSC0
B. MSC3
C. MSC1
D. MSC2
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 138
使用AAU5613时,支持小区单天线通道的单RE参考信号最大发射功率更接近多少?
A. 4.86dBm
B. 7.86dBm
C. -4. 2dBm
D. OdOm
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 139
5G RAN2.1 64T64R的AAU可以最多支持多少种广播波束场景配置?
A. 17
B. 3
C. 8
D. 5
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 140
UE接入LTRE网络后,LTE小区会向U发送哪条消息用以测量NR小区信号?
A. B2
B. B1
C. A1
D. A2
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 141
用NR覆盖高层楼宇时,NR广播波束场景化建议配置成以下哪项?
A. SCENARIO_6
B. SCENARIO_13
C. SCENARIO_1
D. SCENARIO_0
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 142
c波段100Mhz的带宽,30khz的子载波情况下,为了达到峰值速率,NR对UE的下行调度次数( DL Grant)需要
达到多少?
A. 1000次/秒
B. 2000次/秒
C. 1500次/秒
D. 3000次/秒
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 143
为应对大规模连接,5G适应mMTC物联网场景时,推荐采用的SCS子载波间隔为多少?
A. 60Khz
B. 30Khz
C. 15khz
D. 120Khz
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 144
做5G的C波段上行链路估算时,UE的发射功率一般为多少?
A. A3
B. A1
C. A4
D. A2
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 145
做5G的C波段上行链路估算时,UE的发射功率一般为多少?
A. 26dBm
B. 30dBm
C. 33dBm
D. 23dBm
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 146
gNodeB根据UE上报的CQI,将其转换为几位长的MCS?
A. 4bit
B. 3bit
C. 2bit
D. 5bit
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 147
UE计算上行发射功率时估计的路损是哪个方向的?
A. 下行
B. 上行
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 148
一NR小区SSB波束采用默认模式,天线挂高35米,机械下倾角为3°,数字下倾配置为0°,则此小区主覆盖
波瓣的下沿(近点)距离基站大约是多少米?
A. 1200 米
B. 330米
C. 150米
D. 670米
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 149
NR小区的其它下行信道都是基于以下哪个功率值作为基准来提供功率的?
A. CSI-RS功率
B. MaxTransmitPower
C. PDCCH功率
D. PBCH功率
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 150
5G CPE接收机的Noise Figure(NF)典型值为哪项?
A. 5db
B. 3db
C. 1db
D. 7db
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 151
在使用Probe进行NsA网络的测试中,发现LTE上行的MAC层速率是20Mbps,,但是PDCP层速率为0,以下
理解正确的是哪项?
A. 误码太高,数据为重传导致
B. LTE的数据汇聚到NR的PDCP层
C. 工具统计异常
D. PDCP层故障
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 152
5G的c波段中,Numerology取1时对应的子载波被间隔是多大?
A. 5 khz
B. 60 khz
C. 30 khz
D. 15 khz
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 153
以下信道或信号通常采用开环功控的是哪项?
A. PUCCH
B. PUSCH
C. PRACH
D. SRS
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 154
3GPP标准定义的5G传播模型中,对杆站和宏站天线的典型高度定义分别是多少?
A. 20米,40米
B. 10米,40米
C. 15米,25米
D. 10米,25米
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 155
5G控制信道采用预定义的权值会生成以下哪种波束?
A. 半静态波束
B. 静态波束
C. 宽波束
D. 动态波束
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 156
如果NR广播波束配置成水平3dB为65度波束,则对64T64R的AAU来说。它支持的方位角调测的范围是以下
哪项?
A. 0°
B. -10°~10°
C. -10°~10°
D. -42°~42°
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 157
如果采用32T32R.100MHz带宽,MU-MIMO 8流场景下,使用eCPRI接口所需要的带宽是多少?
A. 25Gbps
B. 50Gbps
C. 10Gbps
D. 100Gbps
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 158
5G的C波段中, Numerology取1时对应的子载波间隔是多大?
A. 30Khz
B. 5Khz
C. 60Khz
D. 15Khz
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 159
以下关于PRACH的Scs描述,错误的是哪一项?
A. 短格式 PRACH的SCS必须和 PUSCHI的Scs一样
B. 长格式 PRACH的SCs和PUSCH的scs一定不一样
C. 长格式 PRACH采用固定的Scs,无法配置
D. 短格式 PRACH的SCS可以配置,通过SIB1消息下发
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 160
以下针对PDSCH DMRSI的配置方案中,哪种方案的开销是最大的?
A. type1前置双符号
B. type1前置单符号
C. type2前置双符号
D. type2前置单符号
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 161
1个RBG中最大包含的PRB数量是多少?
A. 32
B. 4
C. 16
D. 8
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 162
终端初始的TA(time advance)调整量是通过以下哪条消息获取的?
A. RRC connection setup
B. RRC Reconfiguration
C. Random accees response
D. SIB1
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 163
在低频场景下,UE是如何获取当前SSB的波束ID?
A. 通过MIB消息获取
B. 通过PBCH物理层编码信息获取
C. 通过SIB1消息获取
D. 通过PBCH DMRS获取
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 164
在5G的小区选择算法里引入了Qoffsettemp参数,该参数是通过哪条消息下发给UE的?
A. SIB3
B. SIB1
C. SIB2
D. MIB
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 165
以下哪个场景属于NR基于非竞争的随机接入?
A. 初始RRC连接建立
B. 波束恢复
C. RRC连接重建
D. 上行数据到达
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 166
以下哪个测量报告事件中没有ofn这个参数?
A. A4
B. B1
C. A3
D. A2
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 167
以下关于最小速率保障的描述,错误的是哪项?
A. 如果当前业务平均速率高于最小保障速率,基站会降低调度优先级
B. 如果当前业务平均速率低于最小保障速率,基站会提升调度优先级
C. 该参数不是3GPP规范的标准参数
D. 该参数是用于 non-GBR业务
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 168
在下行调度过程中,以下哪类业务调度优先级最高?
A. RRC信令
B. SIB
C. MIB
D. VoNR业务
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 169
在RAM3.0版本中的下行信道配置中,最大的功率偏置为多少?
A. 15dB
B. 9dB
C. 6dB
D. 12dB
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 170
在PUSCH功率控制算法中,gNB是根据以下哪种测量结果进行功率控制的?
A. PUSCH BLER
B. PUSCH RSRP
C. PUSCH SINR
D. PUSCH功率谱密度
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 171
以下信道或信号中,发射功率跟随PUSCHI的是哪项?
A. SRS
B. PRACH
C. PUCCH
D. PUSCH
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 172
在SA组网中,如果只有5G侧发送了掉话,那么终端收到的空口消息是以下哪条?
A. RRC Release
B. RRC Reconfiguration
C. SCG Failure Info
D. RRC Reestablishment
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 173
在gNdoeB的释放请求消息中会携带原因值,以下哪个原因值属于掉话?
A. User Inactivity
B. RRM Purpose
C. MCG Mobility
D. Radio Connection With UE Lost
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 174
按照一般的配置原则,以下关于终端空闲态异系统测量的描述,正确的是哪一项?
A. 终端在4G网络时默认一直测量5G
B. 终端在4G网络时需要通过门限来判断是否启动5G测量
C. 空闲态测量参数通过测量配置消息获取
D. 终端在5G网络时默认一直测量4G
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 175
NR中PDSCH HARQ最大的进程数是多少?
A. 8
B. 32
C. 4
D. 16
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 176
Rel15版本中,5G PUSCH的最大码字数是多少个?
A. 4
B. 2
C. 1
D. 3
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 177
以下关于PRACH虚警的描述,正确的是哪一项?
A. U2020可以支持PRACH根序列冲突检测功能,降低虚警概率
B. 只要邻区之间PRACH信道时频位置相同,就会导致根序列冲突
C. 如有PRACH虚警问题,可以调整PRACH功控参数解决虚警问题
D. 只要邻区之间的PRACH前导序列有重复,就会导致根序列冲突
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 178
检查某小区的重选参数配置,如果同频邻区启动测量门限配置值为24,最小接收电平配置为-64,那么终端
在空闲态进行同频邻区测量的RSRP门限是多少?
A. -104dBm
B. -120dBm
C. -88dBm
D. -80dBm
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 179
在eNodeB中,以下哪个NSA相关指标无法统计?
A. SCG添加成功次数
B. ScG释放原因
C. SCG变更次数
D. SCG释放次数
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 180
以下哪个参数不会出现在SCG的配置消息中?
A. T304
B. RSRP最小接收电平
C. SSB发射功率
D. SSB频点
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 181
以下几类数传问题中,哪一项不仅仅是空口质量的问题造成的?
A. 调度次数低
B. IBLER高
C. RAK低
D. MCS低
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 182
在下行数传业务过程中,如果终端突然无法上报CQI,那么会出现什么问题?
A. 下行数传停止
B. 掉话
C. 采用固当前使用的NCS进行数传
D. 采用固定的低阶MCS
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 183
如果采用升级现网EPC的方式部署5GNSA网络,以下哪个网元可能会涉及到硬件的升级?
A. PCRF
B. HSS
C. MME
D. P-GW
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 184
在R15标准中,定义系统消息SI有多少种?
A. 11
B. 10
C. 9
D. 12
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 185
以下哪种SRS的资源仅用于高频组网?
A. Non code book
B. Beam management
C. Code book
D. Antenna switching
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 186
在上行调度过程中,每个non-GBR逻辑信道的“逻辑信道保障速率”固定为多少?
A. 16kbps
B. 32kbps
C. 8kbps
D. 4kbps
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 187
在上行功率控制过程中,SRS的功率控制和哪个信道的功率控制是关联的?
A. PRACH
B. PUSCH
C. DMRS
D. PUCCH
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 188
NSA终端在eNodeB侧接入过程中,如果eNdoeB收到ME的消息,里面携带了nRestriciontion的指示,以下
哪个是问题的原因?
A. 终端不支持NSA功能
B. 用户5G未开户
C. 用户开户速率过低
D. EPC相关网元不支持NSA
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 189
在NSA接入过程中,如果gNodeB收到了“addition request”消息,但是没有回复任何消息,以下哪项是可能
的原因?
A. gNodeB检测到X2链路故障
B. 无线资源不足
C. gNodeB检测到s 1链路故障
D. License资源不足
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 190
以下关于上行波形自适应算法的描述,错误的是哪一项?
A. 当上行SINR低于门限值时,基站指示终端使用DFT-S-OFDM波形
B. 当上行SINR低于门限值且RANK=1时,基站指示终端使用DFT-S-OFDM波形
C. 当算法未开启时,基站默认指示终端用CP-OFDM波形
D. 当上行SINR高于门限时,基站指示终端使用CP-OFDM波形
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 191
55 SA组网中,以下哪种RC状态转换流程是不支持的?
A. RC空闲到RRC连接
B. RRC去激活到RRC空闲
C. RRC空闲到RRC去激活
D. RRC去激活到RRC连接
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 192
5GSA组网场景下服务小区的重选参数是在哪个系统消息下发的?
A. SIB1
B. SIB3
C. SIB4
D. SIB2
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 193
5G空口灌包时测出来的速率是哪个协议层的速率?
A. RLC
B. PHY
C. MAC
D. PDCP
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 194
5G中上行一共定义多少个逻辑信道组?
A. 4
B. 2
C. 16
D. 8
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 195
gNodeB CU/DU分离架构中,CU和DU之间的接口是以下哪个?
A. F1
B. N2
C. X2
D. eCPRI
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 196
ITU对于5mMTC业务要求的连接能力是多少?
A. 百万终端小区
B. 十万终端/平方公里
C. 十万终端/小区
D. 百万终端/平方公里
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 197
MIB消,息中的哪个参数指示了CORRESETO的时域位置?
A. ssb-subcarrier offset
B. system frame mumbet
C. PDCCH- configSIB1高4位
D. PDCCH- configSIB1低4位
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 198
NSA锚点切换流程中使用的是以下哪种事件报告?
A. A4
B. A3
C. A5
D. A6
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 199
NSA网络中,在以下哪条消息之后标示着完全接入5G网络?
A. UE完成在 Sgnodeb上的RA之后
B. RRC Connection Reconfiguration.之后
C. Sgnodeb Addition Complete之后
D. Sgnodeb Addition Complete之后
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 200
PDSCH前置DMRS最大可以配置几个符号?
A. 3个
B. 1个
C. 2个
D. 4个
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 201
PUSCH的功率控制包括msg3的工章和普通P的功率,关于两者的差异,以下描述错误的是果项?
A. Msg3 PUSCH功控中的路损结果比普通PUSCH功控中的路损结果要小
B. 两个算法中对于调整的计算原理是相同的
C. Msg3功率控制时的路损计算结果和PRACH
D. Msg3 PUSCH功率控制中可以设置额外的偏置
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 202
SSB的时域占用几个符号?
A. 2
B. 8
C. 6
D. 4
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 203
一般场景下,PDSCH的IBLER目标值设置多少比较合理?
A. 0.1
B. 0.15
C. 0.05
D. 0.02
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 204
采用1.8GHz上行频谱和C波段的下行频段进行上下行解耦,解诀覆盖问题,以下描述正确的是哪项?
A. UE只在1.8GHz进行上行发送
B. UE需要在1.8GHz和C波段之间切换发送
C. 上下行解耦只能在NSA组网使用
D. 上下行解耦只能在SA组网使用
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 205
当PDSCH采用type2的dmrs时,最大支持的端口数是多少?
A. 8
B. 6
C. 4
D. 12
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 206
当前版本支持Option3和Option3x两种架构,具体使用何种架构是在以下哪个网元进行配置的?
A. gNodeB
B. SGW
C. MME
D. eNodeB
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 207
基于以下哪种事件的上报触发育重定向流程?
A. A3
B. A1
C. A2
D. A4
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 208
每个终端最大可以配置多少个专用BWP?
A. 2个
B. 8个
C. 4个
D. 16个
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 209
如果出现了NSA接入失败,以下哪类问题可以通过性能指标做统计,并且可以统计相应的失败原因?
A. eNodeB不发起gNodeB添加
B. gNodeB拒绝添加请求
C. UE无MR上报
D. UE在eNodeB侧随机接入失败
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 210
如果需要支持5G到4G的PS切换,那么5GC和EPC之间必须部署什么接口?
A. 31.9dBm
B. -3. 3dbm
C. 0dbm
D. 34dbm
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 211
如果需要支持5G到4G的PS切换,那么5GC和EPC之间必须部署什么接口?
A. N2
B. N26
C. N10
D. N20
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 212
以下NSA的移动性场景中,哪个场景的信令是“sNodeBc发的gNodeB Modify流程”?
A. gNB站内小区变更
B. eNB站内切换
C. eNB站间切换
D. gNB站间小区变更
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 213
以下关于,上行DFT-S-OFDW波形的描述,正确的是哪一项?
A. 该波形只支持连续的频率资源分配
B. 该波形下可以支持多流复用
C. 该波形支持更灵活的频域资源分配
D. 该波形PAPR高
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 214
以下关于5G PDSCH和PUSCH的描述,错误的是哪一项?
A. 频域上只能采用RIV的方式进行映射
B. 都需要包含DMRS作为相干解调
C. 时域上只能通过SLIV的方式进行映射
D. 时域上包括TypeA和TypeB两种格式
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 215
以下关于5G Qos流的描述,错误的是哪一项?
A. 1个QoS流在空口可以映射到多个DRB
B. 1个QoS流在空口只能映射到1个DFRB
C. 1个PUD会话中可以包含多个0oS流
D. 多个QoS流在U接口可以使用相同的TEID
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 216
以下关于BWP切换机制的描述,错误的是哪项?
A. FDD系统上下行可以独立切换
B. 可以是基站触发切换,也可以是终端触发切换
C. 只能由基站触发切换
D. IDD系统的上下行必须同时切换
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 217
以下关于Massive MIMO天线的描述,错误的是哪项?
A. 一般采用AAU作为解决方案
B. 水平面和垂直面都有多个天线端口
C. 天线的阵子数可以大于物理端口数
D. 天线的阵子数和物理端口是一样的
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 218
以下关于NSA场景下UE在5C侧接入的描述,错误的是哪一项?
A. UE和基站之间没有RRC信令
B. 优先采用基于非竞争的随机接入流程
C. UE无需进行小区选择判决
D. UE通过sync raster进行扫描找到SSB的位置
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 219
以下关于SSB波束数量的描述,
A. 低频场景最多8个
B. SA组网下,实际的波束数量通过SIB1消息下发
C. 最大的波束数量只和频段因素相关
D. 高频场景最多64个
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 220
以下哪个PLMN在PLMN选择流程中的优先级最高?
A. RPLIN
B. HPLMN
C. EHMPLN
D. VPLIN
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 221
以下哪个Qos参数是用于gNodeB侧的速率控制?
A. PDN-AMBR
B. Session AMBR
C. ARP
D. UE-AMBR
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 222
以下哪个参数不用于PRACH功率控制?
A. preamblereceivedt argetpower
B. preambletransmax
C. ARP
D. UE-AMBR
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 223
以下哪个参数的修改不会影响5G的上行峰值速率?
A. PRACH频域偏置
B. PUSCH DMRS符号数
C. PRACH时城索引
D. PUCCH RB数
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 224
以下哪个参数确定了PRACH信道的时域位置?
A. PRACH config index
B. Ncs
C. Logic root sequence
D. Frequency offset
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 225
以下哪个是DTF-s-OFD1波形特有的物理层处理步骤?
A. Layer mapping
B. Modulation
C. Transformer Precoding
D. Scrbling
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 226
以下哪条NAS消息中会携带QFI参数?
A. Registration ReRequest
B. PDU Session Establi shment Requst
C. PDU Sessi on Establi shment Accpet
D. Registration AcAccept
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 227
以下哪种SCs不允许用于SSB?
A. 60KHz
B. 30KHz
C. 120KHz
D. 15KHz
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 228
以下哪种UCI信息只能通过周期的PUCCH资源进行发送?
A. PMI
B. SR
C. CQI
D. ACK-NACK
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 229
以下哪种格式PUCCH不存在DMRS?
A. Format1
B. Format2
C. FormatO
D. Format3
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 230
以下哪种时隙配置有利于降低空口调度的时延?
A. DDDSUDDSUU
B. DDDDDDDSUU
C. DDDSU
D. DDSU
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 231
以下哪种组网架构属于NE-DC方案?
A. Option4
B. Option3
C. Option7
D. Option5
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 232
以下业务中,哪类业务默认的优先级是最高的?
A. 5QI=9
B. 5QI=2
C. 5QI=5
D. 5QI=1
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 233
在 Option3x架构下,双连接建立过程中,eNB会向MME发送 ERAB Modi fy IND消息,该消息中携带的IP地
址是属于以下哪个网元的?
A. gnodeb
B. Sg
C. UE
D. Enodeb
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 234
在0piton3x架构下,如果触发SgNB增加流程,那么在X2-U接口.上最多会建立几条用户面隧道?
A. 1条
B. 4条
C. 2条
D. 3条
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 235
在5G SA组网中,如果小区中配置了0SI.那么osI的信息会在哪个消息中指示?
A. SIB3
B. SIB2
C. SIB1
D. MIB
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 236
在5GC中,以下哪个模块用于用户的鉴权管理?
A. ANF
B. AUSF
C. PCF
D. SMF
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 237
在gnodeb的配置里,以下哪个协议层的参数无需和QCI进行映射?
A. RLC
B. MAC
C. PHY
D. PDCP
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 238
在gNodeB中.以下哪个指标同时用于NSA和SA组网?
A. NG接口寻呼次数
B. Qos流建立成功次数
C. 小区调度用户数
D. RRC连接用户数
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 239
在NSA组网中,开启上行LTE tallback特性后,gNodeB基于以下哪个测量触发该流程?
A. PUCCH SINR
B. SRS SINR
C. DMRS SINR
D. PUSCH SINR
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 240
在NSA组网中,如果eNdoeB到gNodeB的外部小区和邻区关系漏配,会导致以下哪个问题?
A. UE无法上报5G测量结果
B. eNodeB不触发gNodeB添加请求
C. gNodeB拒绝添加请求
D. eNodeB无法下发NR的测量配置
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 241
在NSA组网中,如果在 eNodeb例配置的5G SSB频点和实际的不一致,会出现以下哪个问题?
A. gnodeb拒地添加请求
B. enodeb无法下发NR的测量配置
C. UE随机接入失败
D. UE无法上报5G测量结果
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 242
在NSA组网中,如果只有5G发送了掉话,那么终端收到的空口消息是以下哪条?
A. RRC Release
B. RRC Reconfiguration
C. SCG Failue Info
D. RRC Reestablishment
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 243
在NSA组网中,以下哪个定时器或常量不会用于下行链路检测?
A. T301
B. T310
C. N300
D. N310
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 244
在PDU会话建立过程中,以下哪个模块负责PCF的选择?
A. AUSF
B. SMF
C. NSSF
D. AMF
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 245
在RAN3.0版本里,小区专用BWP内PDCCH带宽最小配置是多少?
A. 6RB
B. 24RB
C. 48RB
D. 12RB
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 246
在RAN3.0版本中,以下哪种PUCCH的格式基站不支持?
A. Format1
B. Format2
C. Format4
D. Format3
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 247
在RAN3.0版本中,针对SA且网的移动性算法。在基站侧一共能够设置几个A2门限?
A. 4
B. 3
C. 1
D. 2
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 248
在SIB1消息中,如果前导期望功率为-100dbm,SSB发射功率为18dbm,当前RSRP为-90dbm,那么终端第
一个PRACH的前导发射功率是多少?
A. 10dBm
B. -108dBm
C. 8dBm
D. -118dBm
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 249
在高频场景下,对于所有的信道和信号,能够使用的最大子载波间隔是多少?
A. 240KHZ
B. 120KHZ
C. 30KHZ
D. 60KHZ
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 250
在基于频率优先级的异频切换场景下,以下哪个事件测量报告用于触发异频测量?
A. A2
B. A4
C. A3
D. A1
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 251
在路测工具中,以下哪个指标是无法监测的?
A. SSB RSRP
B. PDSCH IBLER
C. CQI
D. SRS SINR
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 252
在配置5G外部小区命令中,以下哪个参数无需配置 ?
A. TAC
B. eNodeB ID长度
C. gNodeB ID
D. PCI
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 253
在切换准备过程中,源小区基于以下哪个参数确定切换的目标小区?
A. 频点
B. NCGI
C. PCI
D. TAC
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 254
在同频切换的A3事件参数中,以下哪个参数不能基于QCI进行单独配置?
A. A3偏置
B. 邻区偏置(CIO)
C. A3幅度迟滞
D. A3时间迟滞
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 255
在同频小区重选过程中,如果想实现终端从服务小区到某个特定邻区重选更容易,那么该如何修改参数?
A. 增加Qoffset
B. 增加Qhyst
C. 减小Qoffset
D. 诚小Qhyst
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 256
在下行调度计算用户的心教量时以下哪个因素是不被及的了
A. RI上报
B. MCS
C. PMI上报
D. 缓存数据量
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 257
针对100MHz小区,下行采用type0分配方式时,频域上最小分配的资源是多少?
A. 16RB
B. 4RB
C. SRB
D. 2RB
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 258
针对N78频段,以下哪个时隙配比(下行,上行)可以支持个SSB波束的发送?
A. 4:01:00
B. 3:01:00
C. 7:03:00
D. 8:02:00
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 259
针对NSA组网的 gnodeb添加流程。以下哪个指标只能在gnodeb侧统计?
A. 随机接入成功次数
B. gnodeb添加尝试次数
C. gnodeb添加成功次数
D. gnodeb添加拒绝次数
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 260
针对公共的 PDCCH搜索空间,其最小的CCE格式是哪种?
A. 8CCE
B. 16CCE
C. 4CCE
D. 2CCE
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 261
以下关于下行频率资源分配的描述,错误的是哪项?
A. 支持type0和type1两种分配方式
B. type0是RBG粒度的分配方式, 支持非连续分配和连续分配
C. type0是RB粒度的分配方式,仅支持非连续分配
D. type1是RB粒度的分配方式,仅支持连续分配
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 262
64T64R AAU支持的NR广播波束的垂直3dB波宽,最大可以支持多少?
A. 6°
B. 12°
C. 25°
D. 36°
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 263
RAN3. 0,异频切换使用那个事件触发?
A. A3
B. A4
C. A5
D. A6
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 264
针对60KHZ的SCS配置,一个无线帧中包含了多少个时隙?
A. 40
B. 80
C. 160
D. 20
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 265
以下关于预调度的描述,错误的是哪一项
A. 预调度只用于上行调度
B. 该算法用于降低初始调度时延
C. 采用基本预调度时,无论UE是否有业务请求,只要调度资源有剩余,基站就会持续进行调度
D. 预调度功能也需要终端侧的支持
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 266
如果需要开启干扰随机化调度,那么站内三个小区的PCI需要满足什么原则
A. PCI mod 3错开
B. PCI mod 8错开
C. PCI mod 6错开
D. PCI mod 4错开
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 267
如果开启了基于业务量的SCG添加,那么eNodeB是通过哪个协议层的业务测量触发的?
A. PDCP
B. PHY
C. MAC
D. RLC
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 268
在NSA组网中,如果 eNdoB侧的配置的 gNOdeB ID长度和gNode侧配置的不一致,会导致以下哪个问题
A. eNodeB不发起 eNode添加请求
B. eNodeB不回复添加请求
C. enOdeb拒绝添加请求
D. eNdoeB不下发NR的测量配置
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 269
在5G到4G的重选过程中,UE通过哪条消息获取4G频率的重选优先级?
A. SIB6
B. SIB4
C. SIB7
D. SIB5
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 270
以下哪类测量上报事件用于同频切换的触发?
A. A3
B. A1
C. A2
D. A4
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 271
5G系统中一共定义了多少种CQI的映射关系表?
A. 1种
B. 2种
C. 3种
D. 4种
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 272
在下行链路检测中,PDCCH BLER同步门限值Qin为多少?
A. 0.1
B. 0.02
C. 0.15
D. 0.05
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 273
在5G异频重选流程中,终端通过哪个消息获取异频的重选优先级?
A. SIB2
B. SIB3
C. SIB4
D. SIB5
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 274
如果无线RF性能较差,会影响数传过程中的哪些指标?
A. BLER
B. MCS
C. RANK
D. 调度次数
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 275
关于路测弱覆盖原因分析,以下哪些描述是正确的?
A. 口切换参数配置,导致无法及时切换间题
B. 口设备间题:设备工作状态异常,AAU硬件故障等
C. 口传输资源拥塞
D. 口可能是环境原因,如建筑物遮挡
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 276
3GPP协议规定,C波段的NR系统支持的子载波间隔有以下哪些?
A. □60Khz
B. 口120Khz
C. 口15Khz
D. 口30Khz
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 277
为了保证5G下行速率测试性能最优,可采取以下哪些参数设置方式?
A. 口配置时隙配比为8:2
B. 口调制阶数设置支持256QAM或者更高(协议支持)
C. 口配置时隙配比为4:1
D. 口MIMo层数设置为8流
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 278
上下行解耦特性开通后的增益有哪些?
A. 口NR小区中心用户下行吞吐率提升
B. 口NR小区边缘用户体验得到改善
C. 口N小区边缘上行吞吐率提升
D. 口NR小区用户数增加
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 279
NR的下行参考信号包括以下哪些?
A. 口csI-Rs
B. 口DMRs
C. 口PT-RS
D. 口sRs
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 280
以下聚合层级中,NR的PDCCH信道可选的聚合级别有哪些?
A. 口4
B. 口6
C. 口8
D. 口2
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 281
NR的下行信道质量反馈中3I包括哪些?
A. 口PMI
B. 口cQI
C. 口csI
D. 口RI
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 282
以下信道或信号可以支持界面MO配置静态功率的有哪几项?
A. 口ss
B. 口 PDCCH
C. 口PBCH
D. 口csI-Rs
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 283
SA网络中,呼叫建立成功率和以下哪些指标相关?
A. 口 NGSIG连接建立成功率
B. 口 RRC连接建立成功率
C. 口 SgNodeB添加成功率
D. 口 Qos流建立成功率
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 284
NSA组网中,绝大多数信令通过LTE系统交互,因此5G侧记录的指标类别主要有以下哪些?
A. 口可用性状态
B. 口负载
C. 口话务量
D. 口保持性
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 285
以下哪些操作可以减少Psce11辅站乒乓变更概率?
A. 口增加A3幅度迟滞
B. 口增加A3时间迟滞
C. 口增加邻小区同频A3偏置
D. 口增加本服务小区偏置
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 286
SA场景下的移动性管理根据UE的状态可以分为以下哪些?
A. 口连接态的移动性管理
B. 口空闲态的移动性管理
C. 口空闲态的移动性管理
D. 口 InActive态移动性管理
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 287
UE上报的CQI主要作用包括哪些?
A. 口物理信道传输功率控制
B. 口选择传输块大小(TBs)
C. 口选择调制编码方式(MCS)
D. 口时间频率选择调度
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 288
关于功率控制主要用途描述正确的有哪些?
A. 口补偿信道的路径损耗和阴影衰落
B. 口保证网络覆盖和容量需求
C. 口改善终端及基站功耗
D. 口抑制5G同频小区间干扰
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 289
NSA组网下,对UE在接入锚点做控制的目的有哪些?
A. 口NsA UE可根据负荷选择在锚点或者NR接入
B. 口可以控制4G only的是否能在锚点接入
C. 口控制 NSA UE和4G only的UE在RAN侧的接入
D. 口保证NsA UE只能在锚点接入
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 290
NR网络弱覆盖的原因有以下哪些?
A. 口多个基站覆盖相同区域导致
B. 口站间距等网络规划不合理
C. 口存在建筑物等引起的阻挡
D. 口TRP发射功率配置低,无法满足网络覆盖要求
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 291
NSA组网中,UE在接入时LTE小区未下发NR测量控制信息,可能的原因有以下哪些?
A. 口LTE侧未打开NSA开关
B. 口NR基站与UE距离太近
C. 口LIE侧上报的LTE UE能力不支持NR
D. 口未配置PCC锚点及Scg配置
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 292
NR网络出现重叠覆盖会对网络产生什么影响?
A. 口掉话率较高
B. 口切换次数增加
C. 口网络质量变好
D. 口切换成功率较低
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 293
5G网络建设的初期,无线网络优化的目标主要有以下哪些?
A. 口切换性能优化
B. 口PRB利用率优化
C. 口吞吐率优化
D. 口优化无线覆盖
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 294
对比4G,以下哪些是NR中新增的RNTI类型?
A. □INT-RNTI
B. □SFI-RNTI
C. □sI-RNII
D. □ P-RNTI
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 295
Psce11变更控制参数包括哪些?
A. 口同频A3偏置
B. 口A3切换时间迟滞
C. 口异频A3偏置
D. 口A3切换幅度迟滞
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 296
以下关于QoS参数的描述正确的有哪些?
A. 口sA场景下是5GC通过N2接口直接下发
B. 口NsA场景下是通过x2-C接口由eNB下发,gNB侧进行映射
C. 口Qos参数源头来自于UE的Sim卡里
D. 口UE的业务速率在QoS的控制下会保持不变
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 297
NR调度的几个基本要素包括哪些?
A. 口调度执行
B. 口帧结构配置
C. 口调度基本单元
D. 口调度器(MAC实体)
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 298
以下哪些指标可以反应NR网络上行覆盖问题?
A. 口 SS RSRP
B. □ PUSCH Tx Power
C. □ CQI
D. 口 UL Retransfer Rate
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 299
以下哪些信息会携带在“ SaNB Addition Request”信令中?
A. 口请求为eRAB分配资源
B. 口发送给的辅站变更命令
C. 口建立X2AP接口的参数
D. 口测量事件B1
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 300
为了减少5G辅站间的来回频繁变更,可以有以下哪些措施?
A. 口减少幅度磁滞hys
B. 口增加幅度磁滞hys
C. 口增加time-to- trigger的值
D. 口减少time-to- trigger的值
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 301
NR下行调度输入侧因素包括以下哪些信息?
A. 日CsI(信道状态指示)
B. 口HARQ-ACK反馈
C. 口下行发射功率与缓存状态
D. 口基站形态和终端能力
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 302
NR小区使用可用率KPI用来评估小区的服务情况,以下哪些情况属于指标 Radio Network Unavailability
Rate统计的范围?
A. 口单板故障
B. 口核心网故障
C. 口射频故障
D. 口传输故障
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 303
NR中统计上行PRB资源使用的平均个数时,会统计以下哪些信道?
A. 口 PDCCH
B. 口 PUCCH
C. 口 PRACH
D. 口 PUSCH
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 304
关于NR s1ot结构,以下哪些描述是正确的?
A. 无论子载波带宽如何配置,1个s1ot的符号数固定为14个
B. 下行s1ot只能传下行数据
C. s1ot中的符号包含下行,上行和灵活配置三种
D. 下行s1ot也可以传上行数据
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 305
gNodeB获取下行业务信道特征的方法有哪些?
A. 口UE上行反馈PMI
B. 口上行SRS信号
C. 口SSB信号
D. 口UE上行 PUSCH的DMRS
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 306
在5G中,哪些消息用于获取小区的PCI?
A. 口sss
B. □osI
C. 口Pss
D. 口PBCH
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 307
NR系统中用户级SRS带宽可以取哪些?
A. □16RB
B. 口32RB
C. □4RB
D. □8RB
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 308
NR的 PRACH信道在频域占用的RB个数可以是以下哪些?
A. 口3RB
B. □2RB
C. 口6RB
D. 口12RB
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 309
同频PSCe1配置邻区相关参数对应的Mo包括哪些?
A. 口 NRExternalNCe11
B. □ NRExternalce11
C. 口 NRce11Re1ation
D. 口 NRce11
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 310
PScell变更测量控制下发内容包括哪些?
A. 口测量结果
B. 口测量对象
C. 口事件类型
D. 口滤波系数
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 311
为了获得较高的5G下载速率,在默认情况下,建议可以把UE开户信息里的QCI配置为以下哪些?
A. 口 QCI 2
B. □ QcI 9
C. 口 QcI 1
D. 口 QcI 8
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 312
NR的PDCCH信道中承载的DCI包括以下哪三类信息?
A. 口 信道质量指示
B. 口 功率控制命今
C. 口 下行授权
D. 口 上行授权
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 313
NR中,以下哪些信道可以采用动态波束进行管理?
A. 口 PUSCH
B. 口 CSI
C. 口 SSB
D. 口 PDSCH
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 314
UE在接入NSA网络时,出现SgNB_Add_Reject信令的可能原因有哪些?
A. 5G例传输故障导致接入拒绝
B. 5G小区用户数License不足
C. X2链路不通
D. NR小区受干扰严重导致搜索不到
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 315
相比4G,5G重新定义了核心网NGC,主要包括哪些网元?
A. 口 UPF
B. 口 PCRF
C. 口 AMF
D. 口 SMF
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 316
NR下行调度监控可以通过网管实现哪些监控项?
A. 口 信道质量
B. 口 IBLER
C. 口 吞叶量
D. 口 MCS阶数统计
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 317
NR系统PUSCH发射功率谱目标值与哪些因素有关?
A. 口邻区负载状况
B. 口服务小区负载水平
C. 口UE业务等级
D. 口UE功率余量
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 318
以下信道或信号可以进行固定功率分配的有哪几项?
A. 口 PBCH
B. 口 PDCCH
C. 口 CSI-RS
D. 口 ss
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 319
以下哪些信道默认建议采用 ReferencePwr功率发送?
A. 口 PBCH
B. 口 TRS
C. 口 ss
D. 口 PDCCH
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 320
5G NR取消了LTE中的CRS功能,其测量可以由NR的哪些代替?
A. 口 PDCCH
B. 口 PDSCH
C. 口 CSI-RS
D. 口 ssB
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 321
以下关于下行调度的MCS选择算法的描述,正确的是哪些项?
A. 初始的MCS由CQI的映射进行计算
B. 为了避免CQI上报不及时带来的影响,基站还会基于IBLER的测量进行MCS调整
C. MCS选择需要考虑缓存大小
D. MCS选择需要考虑终端能力
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 322
以下关于5G NSA组网的描述,正确的是哪些项?
A. Option3架构信令SCG添加信令流程比较简单,现网推荐使用
B. NsA组网既可以使用EPC也可以使用5GC作为核心网
C. NSA组网一定是采用EPC作为核心网
D. Option3x架构对4G侧硬件没有改造要求,现网推荐使用
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 323
以下关于NR子载波带宽的描述,正确的是哪些项?
A. ssB最大的子载波带宽可以支持240kHz
B. 长格式的 PRACH信道可以支持60kHz子载波带宽
C. Above6G场景下,业务信道最大子载波带宽可以支持240kHz
D. Sub6G场景下,业务信道最大子载波带宽可以支持60kHz
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 324
5G的SIB1消息中可能携带哪些定时器?
A. T304
B. T301
C. T380
D. T300
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 325
以下关于NSA锚点功能的描述,正确的是哪些项?
A. 该功能通过基站级开关进行控制
B. 该功能只针对支持NSA的终端生效
C. 该功能的主要目的是让终端接入到最优的小区发起NSA双连接
D. 支持RRC连接态和空闲态的锚点功能
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 326
以下关于5G切换和重定向流程对比的描述,正确的是哪些项?
A. 用重定向流程时,目标小区需要提前准备资源
B. 两种流程都可以用于SA组网下的连接态移动性管理
C. 针对数据业务,系统内移动性主要采用切换流程,异系统移动性主要采用重定向流程
D. 采用异系统切换流程时,需要MME和AMF支持N26接口
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 327
以下关于5GSA组网移动性管理的描述,正确的是哪些项?
A. 切换和重选流程都需要通过基站下发命令
B. 空闲态的移动性是小区重选流程
C. 切换流程的业务中断时延比重定向要低
D. 连接态移动性包括切换和重定向两种流程
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 328
在RAN3.0版本中,以下调度过程中的 rato matching功能,哪些只能用于低频场景?
A. TRS rate matching
B. SSB rate matching
C. CSI- RS rate matching
D. PDCCH ratematching
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 329
当上行采用DFT-S一OFDM波形时,以下哪些RB数是不能分配的?
A. 15
B. 13
C. 1
D. 17
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 330
5G上行调度过程中,基站需要获取哪些必要的输入?
A. CQI
B. SR
C. BSR
D. PHR
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 331
SA网络中,呼叫建立成功率和以下哪些指标相关?
A. QoS流建立成功率
B. RRC连接建立成功率
C. SgNodeB添加成功率
D. NGSIG连接建立成功率
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 332
以下哪些是5G MIMO技术相对于4G MIMO技术的主要差异?
A. 5G支持Massive MIMO
B. 5G支持静态波束管理
C. 5G支持MU-NIWO
D. 56MINO取消了传输模式的概念
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 333
针对PDSCH typeA的前置DMRS,以下哪些是DMRS可能的起始符号位置?
A. 符号1
B. 符号0
C. 符号3
D. 符号2
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 334
当5G上行采用DFT-S-OFDA波形进行调度时,以下哪种RB数是不允许分配的
A. 2
B. 6
C. 11
D. 13
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 335
eNB通过RRC release消息触发UE进入去激活状态,以下哪些是该消息中包含的参数?
A. I-RNTI
B. T380
C. RNA ID
D. 释放原因
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 336
以下关于RANK的描述,正确的是哪些项?
A. 针对TDD系统,该参数可以在规范范围内任意配置
B. 针对TDD系统,该参数受上下行时隙配置的约束
C. 该参数决定了PRACH信道的时域位置
D. 该参数决定了PRACH信道的频域位置
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 337
以下关于RANK的描述,正确的是哪些项?
A. NLOS场景下更容易实现高RANK
B. 只要下行信道质量足够好,就一定可以达到RANK4
C. LOS场景下更容易实现高RANK
D. CSI-RS的端口数必须大于等于最大的RAK数
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 338
以下哪些数据及信令的调度基站会固定使用QPSK调制?
A. 时间迟滞
B. A1 RSRP门限
C. 幅度迟滞
D. A2 RSRP门限
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 339
以下哪些数据及信令的调度基站会固定使用QPSK调制?
A. RRC消息
B. SIB消息
C. VoR语音数据包
D. NAS消息
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 340
在option3x组网场景下,以下哪些场景会导致5G侧的掉话?
A. x2链路故障
B. LTE侧发起切换流程
C. 5G邻区漏配
D. LTE侧发起RRC重建
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 341
5G SA组网下支持以下哪些语音方案?
A. CSFB
B. VoLTE
C. VoNR
D. EPS fabl1lback
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 342
NR的PDCCH信道中承载的DCI包括以下哪三类信息
A. 功率控制命令
B. 信道质量指示
C. 下行授权
D. 上行授权
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 343
NR网络出现重叠覆盖会对网格产生什么影响
A. 切换成功率较低
B. 网格质量变好
C. 掉话率较高
D. 切换次数増加
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 344
NSA的接入流程中,如果UE在eNodeB发生了随机换人响应相时的问题。可能的原因有哪些?
A. T304设置过小
B. PRACH参数规划问题
C. T304设置过大
D. PRACH功率控制参数问题
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 345
NSA组网的gNdoeB添加流程中,以下哪些原因可能导致gNodeB拒绝eNdoeB发起的添加流程?
A. eNodeB license资源不足
B. gNodeB无线信道资源不足
C. gNodeB检测到x2-u链路故障
D. eNodeB检测到S1-U链路不通
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 346
NSA组网中,绝大多数信令通过LTE系统交互,因此5G例记录的指标类别主要有以下哪些?
A. 话务量
B. 保持性
C. 可用性状态
D. 负载
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 347
PUCCH功控中的开环部分和以下哪些参数相关?
A. PUCCH发送数据的bit数
B. PUCCH的UCI格式
C. PUCCH使用的RB数
D. PUCCH子载波间隔
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 348
RAN3.0版本,基站只支持哪些PRACH格式?
A. Format1
B. FormatCO
C. FormatC2
D. Format0
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 349
SA场景下,终端进行异频重选时需要用到哪些系统消息里的参数?
A. SIB2
B. SIB4
C. SIB3
D. SIB5
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 350
sA组网中,如果发现切换准备成功率指标过低,那么应该重点关注哪些因素?
A. x2链路状态
B. 目标小区负载状态
C. xn链路状态
D. 目标小区RF性能
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 351
当采用PP算法时,影响优先级的因素有哪些?
A. 用户历史速率
B. 信道质量
C. 调度权重
D. 业务时延
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 352
基站中的哪些单板可以统计CPU利用率指标?
A. FAN
B. UBBP
C. UBBP
D. UPEU
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 353
如果空口灌包速率正常,但TP下载时速率很低。以下哪些是可能的原因?
A. FTP服务器性能问题
B. 无线资源不足
C. 传送网络性能问题
D. TCP窗口参数设置问题
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 354
下行数传过程中,如果发现一直无法实现RNAK 4的数传,可能的原因有哪些
A. 終端MIMO能力问题
B. AAD通道校正问题
C. DMRS的配置问题
D. 无线传播环境不满足多径要求
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 355
以下关干RAGR置素引参数的描述,正确的是哪些项?
A. 该参数决定了PRACH信道的时域位置
B. 针对1D系统该参数可以在规范范围内任意配
C. 针对100系统.该参数受上下行时隙配置的束
D. 夜参数决定了PRACH信道的频域位直
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 356
以下关于4G到5G重选的描述,正确的是哪些项?
A. 重选到5G后,终端会发起TAU流程
B. 重选过程中EPC和5GC会有信令交互
C. 重选过程中EPC和5GC不会有信令交互
D. 重选到5G后,终端会发起Registrati on流程
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 357
以下关于5G到4G连接态互操作的描述,正确的是哪些项?
A. 支持PS切换或重定向流程
B. PS重定向流程无需对端准备资源
C. PS切换的时延低于PS重定向
D. 当VoNR业务发起互操作时,其流程是SRVCC切换
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 358
以下关于5G调度的描述,正确的是哪些项?
A. 下行调度只需要用到gNodeB的调度
B. 在每个TII内,基站只需要针对频域资源进行调度
C. 上行调度过程中同时涉及到了gNodeB和UE的调度功能
D. 在每个TII内,基站需要同时对频域和时域资源进行调度
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 359
以下关于5G小区选择的描述,正确的是哪些项?
A. UE优先采用 initial search的方式进行小区搜索
B. 在基于RSRQ的小区选择过程中,UE需要计算补偿值
C. UE优先采用 stored information的方式进行小区搜索
D. 在基于RSRP的小区选择过程中,UE需要计算补偿值
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 360
以下关于PUCCH功率控制的描述,正确的是哪些项?
A. PuCCH内环功率控制通过测量PUCCH的SINR进行功率调整
B. PuCCH外环功控通过PUCCH的BLER测量调整PUCCH的SINR门限
C. PUCCH内环功控通过PUCCH的BLER测量调整PUCCH的SINR门限
D. PUCCH外环功率控制通过测量PUCCH的SINR进行功率调整
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 361
以下关于功率控制主要用途的描述,正确的是哪些项?
A. 保证网络覆盖和容量需求
B. 抑制5G同频小区间干扰
C. 补偿信道的路径损耗和阴影哀落
D. 改善终端及基站功耗
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 362
以下关于同频切换中A3测量报告的描述,正确的是哪些项?
A. 会同时携带服务小区和邻区的测量结果
B. 测量结果中会同时携带小区结果和每个SSB波束的结果
C. 会携带NCGI
D. 只会携带邻区测量结果
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 363
以下哪些PRACH参数决定了前导使用的序列?
A. logic root sequence
B. ra-ResponseWindow
C. powerRampingStep
D. zeroCorrelati onZoneConfig
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 364
以下哪些参数是5QI关联的参数?
A. Default Averageing Window
B. Packet Delay Budget
C. Packet Error Rate
D. Priority
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 365
以下哪些场景更适合5G高频的部署?
A. 无线回传
B. WTTx室内终端场景
C. 室内热点覆盖
D. WIIx室外终端场景
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 366
以下哪些定时器或者常量在NSA和SA网络中都会使用?
A. T301
B. N310
C. T310
D. T300
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 367
以下哪些功能是由PDCP层进行处理的?
A. IP头压缩
B. 完整性校验
C. 加解密
D. QoS处理
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 368
以下哪些是SCG fai1ure info消息中可能携带的原因值?
A. T310超时
B. RLC重传次数达到最大值
C. sRB1完整性校验失败
D. scG重配置失败
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 369
以下哪些是5G中新增的RNTI类型?
A. SI-RNTI
B. INT-RNTI
C. P-RNTI
D. MCS-C-RNTI
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 370
以下哪些是scc tallure inta消息中可能揍带的原因值7
A. scG重配置失败
B. SRB1完整性校验失败
C. T310超时
D. RLC重童传次数达到最大值
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 371
以下哪些统计指标是针对Cu小区的测量?
A. RRC建立测量指标
B. UE上下文测量指标
C. MIMO相关测量指标
D. PDU会话测量指标
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 372
以下哪些网元可以在数据包头中封装QFI信息
A. gNodeB
B. UPF
C. eNodeB
D. UE
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 373
以下哪些物理信道在SG网络中不存在?
A. PHICH
B. PDSCH
C. PCFICH
D. PUCCH
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 374
以下哪些信息是可以通过PUSCH发送的?
A. SR
B. RI
C. CQI
D. HARQ反馈
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 375
以下哪些终端能力会影响峰值速率的测试结果?
A. SRS天线选择能力
B. UE支持的带宽
C. MINO最大流数
D. 256QA支持能力
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 376
在5G注册流程中,AMF下发的 Authentication Request会携带哪些鉴权参数?
A. 期望权结果
B. 秘钥
C. 随机数
D. 鉴权令牌
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 377
在NSA组网下,针对SgNodeB异常释放的统计,以下哪些是释放原因的相关统计指标?
A. N. NsaDc. SgNB. AbnormRel. Trans
B. N. NsaDc. SgNB. AbnormRe1. Radio. UeLost
C. N. NsaDc. SgNB. Re1. Coverage
D. N. NsaDc. SgNB. AbnormRel. NoReply
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 378
在NSA组网中,以下LTE哪些场景会触发SCG添加流程?
A. RRC重建成功
B. UE初始接入
C. RRC释放
D. UE切换入
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 379
在NSA組网中,以下哪些消息中携带的原因值可以用于掉话原因的分析?
A. SCG Failure Info
B. Sgnodeb Release Required
C. Sgnodeb Release Request
D. Sgnodeb Release Ack
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 380
在Option3x架构下,以下哪些场景会导致SgNM触发SgNB释放流程?
A. UE上报SCG Failure
B. eNB侧小区电平变差,且没有可用邻区
C. eNB侧发生了站间切换
D. S1-U链路故障
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 381
在PUSCH功率控制算法中,以下哪些因素用于终端计算初始的PUSCH功率?
A. PUSCH的RB数
B. PUSCH的SINR
C. PUSCH的MCS
D. PUSCH的SCS
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 382
在R15的标准中定义的CU和DU分离,以下哪些协议层属于DU部分?
A. RLC
B. RRC
C. MAC
D. PDCF
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 383
在RAN3.0版本中,以下关于PRACH信道配置参数的描述,正确的是哪些项?
A. 频域可以配置在任何位置
B. 支持PRACH频域位置配直
C. 无法直接配.置PRACH格式,只能通过PRACH confi guratin index进行间接配置
D. 可以直接配置PRACH的格式
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 384
在RAN3.O版本中,基站支持以下明些信道参数的自适应调整?
A. 调度请求周期
B. PRACH频域位置
C. SRS周期
D. CCE上下行配比
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 385
在RAN3.0版本,针对SRS信道资源配置,以下描述正确的是哪些项?
A. 小区级资源规定配置在每个上行时隙
B. 低频场景下,用户级SRS采用周期性资源
C. 高频场景下,用户级SRS采用非周期资源
D. 小区级资源固定配置在特殊时隙的上行导频
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 386
在RAN3.0版本中,以下关于SCG添加流程功能的描述,正确的是哪些项?
A. 对于目标的选择,支持基于测量的添加和盲添加
B. 触发场景包括事件触发和周期添加
C. 采用盲添加时,不支持周期添加流程
D. 无论是采用事件还是周期触发,都可以开启基于业务量检测的触发算法
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 387
在RAN3.0版本中,以下哪些场景下基站会执行重定向流程?
A. UE上报基于覆盖的异频A2测量报告
B. UE上报异系统盲A2测量报告
C. UE上报基于覆盖的异频A2测量报告,且终端不支持异频测量
D. UE上报基于覆盖的异频A1测量报告,且终端不支持异频测量
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 388
在RAN3.0版本中,以下哪些下行信道(信号)的功率配置必须一样?
A. SS
B. PDCCH
C. PBCH
D. PDSCH
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 389
在RAN3.0版本中,以下哪些下行信道支持动态功率调整?
A. 公共PDSCH
B. 专用PDCCH
C. 专用PDSCH
D. 公共PDCCH
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 390
在RAN3.0版本中的Qos管理流程里,以下哪些5QI对应的属性是可以修改的?
A. Packet dealy budget
B. Packet error loss rate
C. Priority leve1
D. Burst volume
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 391
在RRC inactive状态下,UE和gNB会保留哪些协议层的上下文?
A. RLC
B. PDCP
C. RRC
D. SDAP
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 392
在下行重传调度过程中,需要满足哪些要求条件,基站才能执行?
A. PDSCH资源有剩余
B. 重传次数没有达到最大配置值
C. 终端必须上报SRS
D. 终端处于非GAP测量状态
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 393
针对CSI-RS物理信号,基站支持哪些发送方式?
A. 针对CSI-RS物理信号,基站支持哪些发送方式?
B. 半静态发送
C. 静态发送
D. 非周期发送
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 394
以下哪些5G组网架构使用的是 SCG split bearer?
A. Option7x
B. Option4a
C. Option3x
D. Option3
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 395
option3x组网下,开启了NR流量上报功能后,以下哪些场景会触发流量上报?
A. SCG释放
B. LTE释放
C. SCG添加
D. SCG变更
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 396
在5G测量配置消息中的测量目标信元,会携带哪些参数?
A. 小区频点
B. sMTC配置
C. 滤波配置
D. ssB频点
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 397
针对30KHz SCS,以下哪些时隙配比(下行:上行)可以支持RPACH的长格式?
A. 4:1
B. 7:3
C. 8:2
D. 3:1
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 398
以下关于下行调度过程的描述,正确的是哪些项?
A. 下行调度过程中的MCS计算主要依靠CQI上报
B. UE可以在PUCCH和PUSCH上报CQI
C. 当采用全带CQ1上报时,下行分配RB时采用频率选择算法进行分配
D. 下行调度需要终端发起请求
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 399
以下哪些可以作为5G空口寻呼消息中的UE ID?
A. S-TMSI
B. 5G S-TMSI
C. IMSI
D. I-RNTI
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 400
以下哪种承载类型是5G SA组网下新增的?
A. Best effrt
B. GBR
C. Nn-GBR
D. Delay critical GBR
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 401
以下关于调度请求的描述,正确的是哪些项?
A. 可以通过PUCCH或PUSCH进行发送
B. 只能通过PUCCH发送
C. 单用户调度请求周期越大,小区支持用户数越少
D. 单用户调度请求周期越大,小区支持用户数越多
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 402
在3GPP标准协议里,以下哪些事件的测量上报可以触发系统内异频切换流程?
A. A3
B. A4
C. A5
D. A6
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 403
在3GPP标准协议里,以下哪些事件的测量上报可以触发系统内异频切换流程?
A. A3
B. A4
C. A5
D. A6
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 404
以下关于下行频率资源分配的描述,错误的是哪项?
A. 支持type0和type1两种分配方式
B. type0是RBG粒度的分配方式, 支持非连续分配和连续分配
C. type0是RB粒度的分配方式,仅支持非连续分配
D. type1是RB粒度的分配方式,仅支持连续分配
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 405
在RAN3.0版本中,基于覆盖的异频切换使用以下哪个事件进行触发
A. A3
B. A4
C. A5
D. A6
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 406
在4G到5G的重选过程中,UE通过哪条消息获取5G频率的重选优先级?
A. SIB8
B. SIB24
C. SIB19
D. SIB14
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 407
以下关于PRACH信道频域位置的描述,正确的是哪一项?
A. 必须包含在初始BWP内
B. 必须包含在专用BWP内
C. 必须配置在频带的最下发
D. 可以放在频域任何位置
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 408
针对SA组网,语音方案包含VONR和CSFB两类
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 409
以下哪些属于5GC网络的特点?
A. 基于NFV技术
B. 云化部署
C. 基于业务的架构
D. 支持网络切片
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 410
以下关于EN-DC双连接组网的描述,错误的是哪一项?
A. 只能支持4G和5G的双连接
B. UE在空口可以和两个基站建立信令面
C. UE在空口只能和一个基站建立信令面
D. OUE在空口可以和两个基站建立用户面
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 411
假设SSB物理层周期配置为10ms, 那么同一个MIB块要进行几个周期的SSB扫描?
A. 8次
B. 2次
C. 6次
D. 4次
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 412
如果用户下行传输数据的HARQ反馈状态为NACK或DTX,则表示此次数据调度失败,调度器需要重新调度该
数据,即进行重传调度
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 413
在PUSCH功率算法中,路损是通过以下哪个信道的测量计算出来的?
A. PDSCH
B. CSI-RS
C. SSB
D. PDCCH
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 414
在NSA接入流程中,如果UE在gNodeB发生了随机接入响应超时的问题,可能的原因有哪些?
A. T304设置过大
B. T304设置过小
C. PRACH参数规划问题
D. PRACH功率控制参数问题
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 415
在下行MCS调整过程中,基站是基于以下哪种测量进行调整的?
A. PDSCH SINR
B. PDCCH SINR
C. PDSCH BLER
D. PDCCH BLER
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 416
NR测量控制消息通过eNODEB的哪条消息下发给UE
A. RRC连接重配置完成
B. RRC连接重配置
C. RRC连接重建立
D. RRC连接建立
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 417
当采用EPF算法时,影响优先级的因素有哪些?
A. 业务延时
B. 调度权重
C. 用户历史速率
D. 信道质量
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 418
NR网络中用CQI反应信道的质量状况,UE上报给gNB的CQI是通过UE测量导频SINR后量化得到的
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 419
5G SA组网中,以下哪种RRC状态转换流程是不支持的?
A. RRC去激活到RRC连接
B. RRC空闲到RRC去激活
C. RRC去激活到RRC空闲
D. RRC空闲到RRC连接
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 420
以下哪些物理信道在5G网络中不存在
A. PUCCH
B. PDSCH
C. PHICH
D. PCFICH
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 421
5G RAN2.1ZHONG ,ChMera.DuCell主要是用来测量以下哪类指标?
A. 移动性能
B. 信道质量
C. 小区业务质量
D. 网络负载
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 422
64T64R AAU支持的NR广播波束的垂直3dB波宽,最大可以支持多少?
A. 25°
B. 36°
C. 12°
D. 6°
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 423
在RAN3.0版本中,以下哪些下行信道(信号)的功率是可以配置的?
A. CSI-RS
B. PBCH
C. TRS
D. 专用PDCCH
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 424
NR PBCH物理层会携带额外8bit的编码,通过这8bit UE可以会获取哪些信息?
A. SSN波束索引高3位(高频)
B. SSN波束索引低3位(高频)
C. 系统帧号低4位
D. 半帧指示
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 425
SA组网架构下, 5G RAN使用哪层完成Qos映射?
A. NGAP
B. RLC
C. SDAP
D. PDCP
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 426
在NSA组网中,可以通过eNodeB和gNodeB之间的华为私有CI接口用于数据分流。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 427
5G的c波段中, Numerology取1时对应的子载波间隔是多大?
A. 15KHz
B. 30KHz
C. 5KHz
D. 60KHz
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 428
以下关于路测弱覆盖原因分析的描述,正确的是哪些项?
A. 可能是环境原因,如建筑物遮挡
B. 设备问题:设备工作状态异常, AAU硬件故障等
C. 传输资源拥率
D. 切换参数配置,导致无法及时切换问题
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 429
5G SA C-Band小区下,终端开机搜索SsB的步长是多大?
A. 30KHz
B. 17. 28MHz
C. 1. 2MHz
D. 1. 44MHz
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 430
5G NSA组网下空口无需使用SDAP协议层
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 431
当5G上行采用DFT-S-OFDM波形进行调度时,以下哪些RB数是不允许分配的?
A. 6个
B. 13个
C. 11个
D. 2个
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 432
TC-RNTI可以用于加扰哪些消息?
A. MSG2
B. MSG4
C. MSG1
D. MSG3
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 433
以下关于5G协议栈功能的描述,正确的是哪些项?
A. NR系统PDCP层支持重排序
B. NR系统PDCP层支持乱序递交
C. NR系统RLC层支持串联功能
D. NR系统RLC层支持路由和重复
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 434
每个终端最大可以配置多少个专用BWP?
A. 2个
B. 8个
C. 4个
D. 16个
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 435
关于N78频段,以下哪个时隙配比(下行,上行)可以支持8个SSB波束的发送?
A. 8:2
B. 7:3
C. 3:1
D. 4:1
Correct Answer: A(已更改)
Section: (none) Explanation
Explanation/Reference:
答案不一致
QUESTION 436
SRB3连接只用于NSA组网。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 437
在5G网络中,为了用户的安全性考虑,NSA层使用5G-GUTI来取代IMSI作为用户的临时ID.
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 438
SMF给每条Qos流定义相关的Qos参数,例如501索引下GBR会有GFBR,MFBR,RQA和Notification
Control等参数。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 439
以下关于MR-DC能力的描述,正确的是哪些项?
A. Hss在Update Location Answer消息中Access Restriction List信元指示Hss是否支持DCNR
B. 终端无线能力上报中携带MR-DC通知站点终端支持NSA
C. MME携带nResctrict信元,标识该用户支持NR
D. LTE SIB2中携带信元upperLayerIndication-r15标识基站支持MR-DC的能力
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 440
5G的S-NSSAI业务切片标识有多大?
A. 48 bit
B. 24 bit
C. 32 bit
D. 8 bit
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 441
以下哪些网元或功能能获得SUPI?
A. AUSF
B. UDM
C. UE
D. AMF
Correct Answer: BC(已更新)
Section: (none) Explanation
Explanation/Reference:
答案不一致
QUESTION 442
在NR辅站变更成功后, MeNodeB会通知MME以下哪条信令?
A. SgNB Information Transfer
B. Path Update Procedure
C. RRC Connection Reconfi guration Complete
D. SgNB Reconfiguration Complete
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 443
当5G小区的SCS=30KHz时,一个TA (timing advance)有多大?
A. 39m
B. 48m
C. 96m
D. 78m
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 444
5G SA小区终端在基于竞争的随机接入过程中,会使用哪种PDCCH DCI格式?
A. Format 1_0
B. Format 0_0
C. Format 1_1
D. Format 2_1
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 445
NR的PRACH信道在频域占用的RB个数可以是以下哪些?
A. 2RB
B. 6RB
C. 12RB
D. 3RB
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 446
NSA组网上行TDM功控时, TDM-Pattern信息通过哪条消息发送?
A. SgNB Change Required
B. SgNB Addition Request
C. SgNB Modification Required
D. SgNB Modi fication Request
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 447
同频PSCell配置邻区相关参数对应的Mo包括哪些?
A. NRCell
B. NRExternalCell
C. NRCellRelation
D. NRExternalNCel1
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 448
华为NR小区异频同优先级小区重选要满足以下哪些条件?
A. 满足小区选择s规则
B. RSRP与最强邻区差别小于等于3dB
C. 波束个数最多
D. 满足小区重选R规则
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 449
UE测量报告的CGI-Info中包含以下哪些信息?
A. PCI
B. RANAC
C. PLMN
D. TAC
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 450
PSCel1变更控制参数包括哪些?
A. A3切换幅度迟滞
B. 异频A3偏置
C. A3切换时间迟滞
D. 同频A3偏置
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 451
超远邻区识别的自优化功能在优化邻区属性时,不会参考以下哪一项信息?
A. 掉线率
B. 切换次数
C. 邻区间距离
D. 切换成功率
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 452
如果服务小区没有配置到某个小区的邻区关系,则必会导致到这个小区发生切换失败。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 453
NR网络的调度功能主要是在RRC层实现的。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 454
以下关于上行波束训练的描述,错误的是哪一项?
A. 上行波束可使用SRS的BM功能确定
B. 上行波束可以通过QCL确定
C. SRs发送的波束信息通过RRC配置
D. 终端同时只能发送一个SRS上行波束
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 455
单用户最大的上行流数取决于什么?
A. min (gNodeB接收层数, UE发射层数)
B. UE发射层数
C. gNodeB接收层数
D. max (gNodeB接收层数, UE发射层数)
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 456
以下关于MU-MIMO配对的描述,错误的是哪一项?
A. 信道相关性较强,更适合进行MU-MIMO配对
B. SINR较高且UE间被柬隔离度较大,更适合进行MU-MIMO否已对
C. MU-MIMO配对受信道条件和产品能力限制
D. Massive MIMO窄波束环境更适合进行MU-MIMO配对
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 457
gNodeB根据UE上报的cQ1,将其转换为几位长的MCs?
A. 4bit
B. 2bit
C. 5bit
D. 3bit
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 458
所有调度相关的算法在NSA组网和SA组网中没有任何差异。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 459
当NR小区配置和x2接口消息中携带的RLC Mode配置信元不一致时,以NR小区配置的RLC Mode配置为
准。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 460
NR小区载波聚合的数据分流在哪层?
A. MAC
B. SDAP
C. RLC
D. PDCP
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 461
华为RAN3. 1的FR内频段内下行CA要求, PCe11和SCe11的帧偏置差的绝对值要小于等于多少?
A. 3075Ts
B. 1024Ts
C. 625Ts
D. 375Ts
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 462
下行PDCCH功率调整算法只针对小区远点用户生效。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 463
在SIB1消息中,如果前导期望功率为-100dBm, SsB发射功率为18dBm,当前RSRP为-90dBm,那么终端
第一个PRACH的前导发射功率是多少?
A. 10dBm
B. -108Bm
C. 8dBm
D. -118dBm
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 464
在RAN3.0版本中的下行信道配置中,最大的功率偏置为多少?
A. 9dB
B. бdB
C. 15dB
D. 12dB
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 465
以下关于频段内CA的描述,正确是哪些项?
A. 针对频段内连续CA,参与聚合的各载波中心频点间隔有特殊要求
B. 只有PCall上有PUCCH信道
C. 上行HARQ分别承载在PCel1和SCell的PUSCH上
D. CA终端只有一个RRC连接
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 466
SA网络中,呼叫建立成功率和以下哪些指标相关?
A. Qos流建立成功率
B. RRC连接建立成功率
C. NGSIG连接建立成功率
D. SgNodeB添加成功率
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 467
在做NR网络的下行峰值调测时,PDSCH DMRS类型应该配置为以下哪一项?
A. Type3
B. Type2
C. Type1
D. Type4
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 468
以下关于华为RAN3. 1 NSA组网释放的描述,错误的是哪一项?
A. gNodeB的正常释放和异常释放信令流程相同
B. gNodeB发起的释放信令为SgNB Release Request
C. 可以由MeNB或SgNB触发
D. 依据信令携带的原因值判断是否为异常释放
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 469
在UE接入锚点的策略中,如果“小区禁止”状态被设为“禁止”,则UE无法占用此小区资源。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 470
在NSA接入过程中,如果gNodeB收到了"adaition request"消息,但是没有回复任何消点,以下哪一项是可
能的原因?
A. 无线资源不足
B. gNodeB检测到s1链路故障
C. License资源不足
D. gNodeB检测到x2链路故障
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 471
NR小区下UE处于哪种状态可能需要测量SS-RSRP?(不确定)
A. RRC-CONNECTED态
B. RRC-INACTIVE态
C. RRC-IDLE态
D. RM-DEREGISTERED态
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 472
SS-RSRP的测量是关于以下哪种信道或信号?
A. PBCH DMRS
B. SSB DMRS
C. SSS
D. PSS
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 473
UE接入LTE网络后, LTE小区会向UE发送哪个事件用以测量NR小区信号?
A. A2
B. B1
C. B2
D. A1
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 474
NSA场景当终端检测到NR侧上行RLC达到最大重传时会触发什么流程?
A. 主动上报SCG Failure
B. 主动发起随机接入
C. 主动发起重建
D. 主动发起上行重同步
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 475
以下哪些场景在5G商用网络会导致CSI-RS测量异常?(不会)
A. SRS资源未配置
B. csI-RS端口固定为P8
C. ssB采用单个宽波束发送
D. PDSCH DMRS使用Type2
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 476
SA小区如果终端收到TA值为40表示什么含义?
A. 终端移出控制区域
B. 终端距离基站更远了
C. 终端位置没有变化
D. 终端距离基站更近了
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 477
华为RAN3. 1中以下哪一项告警不会影响Massive MIMO性能?
A. gNodeB x2接口故障告警
B. 射频接入设备处理异常告警
C. 小区服务能力下降告警
D. NR分布单元小区TRP服务能力下降告警
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 478
在NSA组网中,以下哪些消息中携带的原因值可以用于掉话原因的分析?
A. SgNodeB Release Ack
B. SgNodeB Release Required
C. SgNodeB Release Request
D. SCG Failure Info
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 479
64T64R AAU在默认配置场景下,广播波束的水平3dB波宽和垂直3aB波宽分别是多少?
A. 65° 、 6°
B. 105°,12°
C. 65° 12°
D. 105°、6°
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 480
下行数传过程中,如果发现一直无法实现RANK4的数传,可能的原因有哪些?
A. DMRS的配置问题
B. AAU通道校正问题
C. 终端MTMO能力问题
D. 无线传播环境不满足多径要求
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 481
NR 2. 6GHz SCS=30KHz小区和LTE-TDD 2. 6GHz共同组网场景,当LTE小区采用DSUDD, SSP7, NR
小区采用8:2配比, SS54时,还需要设多少偏置才能保证帧结构对齐?(不会)
A. 4ms
B. 3ms
C. 1ms
D. 2ms
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 482
以下关于华为的E-UTRAN至NG-RAN的快速返回特性的描述,错误的是哪一项?(不会)
A. 如果采用切换方式需要配置N26接口
B. 需要判断终端QCI属性是否存在“不能切换”的业务
C. 异系统B1测量过程中不会因为A1上报而终止
D. 快速返回可以基于测量和盲重定向
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 483
4G和5G空闲态之间通过小区重选进行互操作流程。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 484
根据协议5G小区带宽60MHz,子载波间隔SCS=30KHz时,最大RB数是多少?
A. 133
B. 79
C. 162
D. 164
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 485
gNB-CU和gNB-DU之间接口的控制面使用哪些协议?
A. SCTP
B. F1AP
C. NGAP
D. GTPU
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 486
以下关于5G OSI(Other system Information)的描述,正确的是哪些项?
A. OSI承载在PBCH和PDSCH信道上
B. OSI包括了所有系統消息
C. 同一SI消息中的SIBs周期相同
D. 终端可以通过RRC消息请求OSI
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 487
以下关于5G新增RNTI功能的描述,正确的是哪些项?
A. cs-RNTI用于指示CSI-RS的调度
B. INT-RNTI用于资源抢占信息
C. MCS-C-RNTI用于指示PUSCH/PDSCH使用的MCS表格
D. I-RNTI用于唤醒INACTIVE态的UE
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 488
5G的同步信号PSS频域有多大?
A. 56个子载波
B. 127个子载波
C. 192个子载波
D. 240个子载波
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 489
以下关于5G AMBR速率控制的描述,正确是哪一项?
A. UE执行上行UE-AMBR速率控制,eNB调度执行下行UE-AMBR速率控制
B. UPF需要执行上行和下行的UE-AMBR
C. UE需要执行上行和下行的Session-AMBR
D. UPF需要执行上行和下行的sesion-AMBR
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 490
以下关于5G QoS映射的描述,正确的是哪些项?
A. 反射式Qos只对Non-GBR类型Qos Flow有效
B. 终端AS层完成上行数据包映射Qos Flow,NAS层负责Qos flow到DRB的映射
C. SMF指示UPF/RAN启动反射式Qos机制
D. 5G RAN主导完成Qos的两级映射, Qos控制更灵活
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 491
以下关于5G小区按需广播ODOSI的描述,正确的是哪些项?
A. 终端可通过RRC_SYS_INFO_REQ触发小区广播ODOSI
B. SIB2中可配置ODOSI的专用RACH信息
C. ODOSI在小区建立后会连续广播2个周期,而后停止广播转为按需触发
D. 终端可通过发送专用的preamble触发小区广播ODOSI
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 492
SgNB Molification Rquest消息可以用于以下哪些场景?
A. MeNB触发的带SgNB的站间切换
B. SgNB触发的SgNB内部PSCell的变更
C. MeNB触发的带SgNB的站内切换
D. MeNB触发的SgNB承载修改
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 493
EN-DC中,使用哪种承载模式由哪个网元决定?
A. MN
B. PSCell
C. SCell
D. SN
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 494
NSA网络PSCe11交更过程中ANR触发reportCGI的测量,以下哪些信令会承载reportCGI的测量信息?
A. ULInformationTansfarMRDC
B. SgNB Modifieation Raquired
C. RRCConnectienRedonfiguration
D. SgNB Modificatisn Request
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 495
在RAN3. 0版本中,关于SA组网的移动性算法,在基站侧一共能够设置几个A2门限?
A. 3
B. 1
C. 4
D. 2
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 496
RNA ID由哪些参数组成?
A. I-RNTI
B. TAC
C. Cell ID
D. RAN Area Code
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 497
5G协议规定了gNodeB支持多少个逻辑信道分组?
A. 8
B. 4
C. 16
D. 12
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 498
波束训练过程中Rapetition用于哪些阶段?
A. P1过程粗对齐
B. P4过程波束恢复
C. P3过程UE精调
D. P2过程基站精调
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 499
3GPP R15协议规定了NR CA最大可聚合多少个载波?
A. 5
B. 16
C. 8
D. 32
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 500
华为RAN3. 1低频最大支持频段内多少载波聚合?
A. 4
B. 2
C. 3
D. 5
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 501
相同的异常原因值在NSA和sA不同组网下,哪些场景处理流程存在差异?
A. NR小区随机接入失败
B. 终端检测到达到上行RLC最大重传
C. 终端检测到T310超时
D. NR检测到达到下行RLC最大重传
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 502
NR系统小区实际的须点位置必须满足channel raster的映射.
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 503
以下关于自包含时隙结构的优缺点的描述,正确的是哪一项?
A. 自包含时隙缩短上行反馈时延以及下行调度时延
B. 自包含时隙GP开销降低
C. 自包含时隙限制了小区覆盖范围
D. 自包含时隙依赖于gNodeB的配置,对终端无要求
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 504
以下哪项不属于3GPP R15 5G语音方案?
A. VoNR
B. 双注册
C. EPS Fallback
D. 5G to3G CSFB
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 505
Registration Request终端初始注册时可能携带哪个参数作为用户标识?
A. IMSI
B. SUCI
C. SUPI
D. GUTI
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 506
5G的CSI-RS最大支持多少个端口?
A. 16
B. 48
C. 64
D. 32
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 507
NR规定SSB调度周期为80ms,周期内可重复扫描多次,但每轮扫描要在2ms内完成。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 508
自动删除邻区关系特性不会参考哪一项信息?
A. 小区邻区规格
B. 一段时间未被使用的邻区
C. gNodeB邻区规格
D. X2/Xn规格
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 509
在RAN3.0版本中,基于覆盖的异频切换使用以下哪个事件进行触发?
A. A5
B. A3
C. A6
D. A4
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 510
华为RAN3.1中RNA的更新周期是多少?(不确定)
A. 1500s
B. 1200s
C. 54min
D. 20s
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 511
NR网络中用CQI反映信道的质量状况,UE上报给gNB的CQI是通过UE测量参考信号sINR后量化得到的。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 512
5G NR上行数传调度过程涉及到两个调度器,一个位于终端侧,一个位于基站侧。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 513
华为RAN3.1高频最大支持频段内多少载波聚合?
A. 5
B. 3
C. 2
D. 4
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 514
E-UTRAN至NG-RAN小区重选的SIB24系统消息中最多广播多少个NR频点?
A. 8
B. 16
C. 64
D. 32
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 515
终端接收天线不平衡会影响RANK性能,通常不同天线的RSRP平均差值在多大范围内可视为平衡?
A. 6dB
B. 8dB
C. 4dB
D. 2dB
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 516
NSA组网中,要CPE1.0达到下行1000Mbps峰值,以下哪一项为小区下行速率的最低要求?
A. 900Mbps
B. 860Mbps
C. 800Mbps
D. 700Mbps
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 517
SA网络中以下哪些场景会导致gNodeB收到A3测量报告但是不发起切换?
A. PDU Session尚未建立
B. 空口信道质差
C. gNodeB切换判决失败
D. 没有配置相应的邻区关系
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 518
以下关于峰值测试环境的描述,正确的是哪些项?
A. 上行峰值测试需要营造直射径环境
B. 下行峰值测试需要营造下行多径环境
C. 避免邻区SSB和TRS干扰
D. 测试位置RSRP要高于-65dBm
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 519
根据频段内CA相关协议以下哪种场景不支持载波聚合?(不确定)
A. TDD+TDD:单周期8:2+单周期8:2
B. TDD+TDD:4:1+4:1
C. TDD+TDD:双周期8:2双周期8:2
D. TDD+TDD: 4:1+单周期8:2
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 520
在RAN3.0版本中,以下哪些下行信道(信号)的功率是可以配置的?
A. PBCH
B. CST-RS
C. TRS
D. 专用PDCCH
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 521
NR小区推荐的下行PDCP序列号长度是多大?
A. 16bit
B. 18bit
C. 10bit
D. 12bit
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 522
SA小区测量控制下发后终端一直不上报A3事件可能的原因有哪些?
A. 邻区功率配置过低
B. 邻区通道校正失败
C. 标小区CIO配置太大
D. NR邻区的SSB周期不一致
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 523
以下哪些场景在5G商用网络会导致CSI-RS测量异常?
A. PDSCH DMRS使用Type2
B. SSB采用单个宽波束发送
C. SRS资源未配置
D. CSI -RS端口固定为P8
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 524
华为E-UTRAN至NG-RAN的小区重选优先级,通过以下哪些参数决定?
A. SIB5中携带的cel1ReselectionSubPriority信元
B. SIB5中携带的cellResclectionpriority信元
C. SIB24中携带的cel1Reselectionpriority-r15信元
D. SIB24中携带的cel1ReselectionSubPriority-r15信元
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 525
终端能力上报中以下哪项表示终端支持天选?
A. SupportedSRS-Resourcee:1t2r
B. maxNumberSRS
C. SupportedSRS-AntennaSwitching
D. SupportedSRS-TxPortSwitch:t2r4
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 526
NR小区上行峰值测试中,UE支持64QAM时MCS需要达到多少阶?
A. 27阶
B. 26阶
C. 29阶
D. 28阶
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 527
华为RAN3.1基站TRS会出现在以下哪个符号上?(不确定)
A. 符号0
B. 符号4
C. 符号6
D. 符号2
Correct Answer:
Section: (none)
Explanation
Explanation/Reference:
QUESTION 528
以下关于5G整体网络架构的描述,正确是哪些项?
A. 5G RAN通过Uu接口与终端相连用于空口信令和数据传输
B. 5G RAN通过NG1接口与AMF相连用于接入和移动相关控制
C. 5G RAN通过NG 4接口与SuF相连用于会话控制
D. 5G RAN通过NG3接口与UPF相连用于数据转发
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 529
以下关于华为NR载波聚合中SCell CSI-RS方案的描述,正确的是哪些项?
A. SCell和PCell共射频模块部署时不使用该方案
B. 为了解决对称CA场景无法获取SCC波束的问题
C. 该方案触发UE使用最佳CSI波束发送SRS信号
D. 该方案触发SCell上CSI波束扫描
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 530
以下哪些信令可能触发NR QoS flow的相关统计?
A. Initial Context Setup Request
B. PDU Session Resource Modify Request
C. Initial UE Message
D. PDU Session Resourde Setup Request
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 531
在SA小区以下哪些场景终端会主动触发重建流程?
A. RRC连接重配置失败
B. 检测到无线链路失败
C. 异系统切换出失败
D. 完整性检查失败
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 532
SS-RSRP用于表征广播信道的覆盖与接入能力,CSI-RSRP则表征业务信道情况。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 533
以下哪一项原因不会导致IBLER升高?
A. SINR陡降
B. 天线不平衡
C. 强干扰
D. 上行TA异常
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 534
华为5G小区在以下哪些场景会导致终端占用RANK1而测试速率低?
A. 切换后默认初始RANK
B. MIMO类License超限后
C. 开环权调度时
D. MCS表格切换期间
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 535
华为Massive MIMO的应用场景,gNodeB需要依据SRS的上报信息才能下发CSI -RS测量。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 536
要完成NG-RAN到E-UTRAN异系统低优先级重选需要哪些系统消息中的重选相关参数?
A. SIB3
B. SIB2
C. SIB5
D. SIB4
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
答案不一致
QUESTION 537
以下关于5G上下行共享信道DMRS的描述,正确的是哪些项?
A. Additional DMRS符号数和前置DMRS相同
B. 必须配置前置DMRS符号
C. 前置DMRS可以占用第一个OFDM符号
D. 最大支持12个端口
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 538
在Opiton3x架构下,如果触发SgNB增加流程,那么在X2-U接口上最多会建立几条用户面隧道?
A. 4条
B. 2条
C. 1条
D. 3条
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 539
NSA网络进行铺站测量过程中,MR上报5G候选小区的RSRP界面值为54,则5G候选小区的真实测量RSRP
是多少?
A. -86dBm
B. -102dBm
C. -87dBm
D. -103dBm
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 540
一个5G终端最多可以建立多少级QoS流?
A. 11
B. 32
C. 64
D. 128
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 541
在5G注册流程中,AMF下发的Authentication Request会携带哪些鉴权参数?
A. 鉴权令牌
B. 秘钥
C. 期望鉴权结果
D. 随机数
Correct Answer: ACD(已更改)
Section: (none) Explanation
Explanation/Reference:
答案不一致
QUESTION 542
以下关于5G小区存在的寻呼方式的描述,错误的是哪一项?
A. RAN使用I-RNTI在RNA寻呼
B. 使用PDSCH信道发送寻呼消息
C. 核心网使用I-RNT I在RNA寻呼
D. 核心网使用5G-S-TMSI在TAL寻呼
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 543
MIB消息中的哪个参数指示了CORESETO的时域位置?
A. PDCCH-configSIB1低4位
B. ssb-subcarrier offset
C. PDCCH-configSIB1高4位
D. system frame number
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 544
gNB通过RRC release消息触发UE进入去激活状态,以下哪些是该消息中包含的参数?
A. I-RNTI
B. T380
C. RNA ID
D. 释放原因
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 545
假设SSB物理层周期配置为10ms,那么同一个MIB块要进行几个周期的SSB扫描?
A. 6次
B. 8次
C. 2次
D. 4次
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 546
以下哪种场景属于下行数传中的来水不足问题?(单选)
A. PDCP缓存丢包
B. PDCCH漏检
C. TCP线程不足
D. RLC大量重传
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 547
NR小区在没有用户的场景一定不发送CSI-RS信号,当有用户时一定发送CSI-RS信号。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 548
以下哪条信令用于基站发起的释放PDU会话?
A. PDU Session Resource Notify
B. PDU Session Resource Release Response
C. PDU Session Resource Release Command
D. UE Context Release Command
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 549
按照协议,以下哪些标准流程中可能存在QoS Flow的释放信息?(多选)
A. QoS Flow释放流程
B. 上下文释放流程
C. PDU Session修改流程
D. PDU Session释放流程
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 550
5G RAN3.1小区上/下行平均吞吐率话统指标关于哪层进行统计?
A. RLC
B. SDAP
C. MAC
D. PDCP
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 551
华为RAN3.1载波聚合特性中不会用到哪个事件?
A. A4
B. A5
C. A2
D. A6
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 552
以下关于载波聚合和双连接的描述,正确是哪些项?(多选)
A. CA在PDCP层进行分流,而DC在MAC层进行分流
B. CA和DC都是同时与多个小区连接,以获取更多的带宽资源传输数据
C. DC可以在不同的制式间实现,但CA只能在同制式间实现
D. 当承载网络的时延较大时,推荐使用CA
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 553
华为RAN3.1 32TRX的AAU最大支持多少层PDCCH?
A. 16层
B. 8层
C. 4层
D. 2层
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 554
NR调度的几个基本要素包括哪些?(多选)
A. 调度器(MAC实体)
B. 调度执行
C. 调度基本单元
D. 帧结构配置
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 555
以下关于QoS参数的描述,正确的是那些项?(多选)
A. NSA场景下是通过X2-C接口由eNB下发,gNB侧进行映射
B. QoS参数源头来自于UE的SIM卡里
C. SA场景下是5GC通过N2接口直接下发
D. UE业务速率在QoS的控制下会保持不变
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 556
CQI的测量上报时延与空口传输时延和CQI上报周期有关, 与gNodeB处理能力无关。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 557
华为5H高频波束赋形的模拟加权计算与叠加是在哪里完成的?(单选)
A. 主控
B. 基带
C. 射频
D. 终端
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 558
如果采用32T32R,100MHz带宽,MU-MIMO 8流场景下,使用eCPRI接口所需要的带宽是多少?
A. 25Gbps
B. 50Gbps
C. 10Gbps
D. 100Gbps
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 559
在5G Option3X组网下终端用户面在哪层可能存在多个实体?(单选)
A. RRC层
B. RLC层
C. SDAP层
D. PDCP层
Correct Answer:
Section: (none)
Explanation
Explanation/Reference:
QUESTION 560
以下关于路测弱覆盖原因分析的描述,正确的是哪些项?(多选)
A. 设备问题:设备工作状态异常,AAU硬件故障等
B. 切换参数配置,导致无法及时切换问题
C. 可能是环境原因,如建筑物遮挡
D. 传输资源拥塞
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 561
以下关于PDSCH DMRS的配置方案中,哪种方案的开销是最大的?
A. Type2 前置单符号
B. Type1 前置单符号
C. Type2 前置双符号
D. Type1 前置双符号
Correct Answer:
Section: (none)
Explanation
Explanation/Reference:
QUESTION 562
5G SA终端开机搜索SSB时按照channel raster的步长进行搜索。
A. 正确
B. 错误
Correct Answer:
Section: (none)
Explanation
Explanation/Reference:
QUESTION 563
NR系统小区实际的频点位置必须满足channel raster的映射。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 564
以下哪条消息中携带分流承载模式信息?
A. Initial UE Message
B. E-RAB Moditication Indication
C. RRC Connection Reconfiguration
D. SgNB Addition Request
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 565
终端能力上报中以下哪一项表示终端支持天线。
A. SupportedsRs-Resourse 1t2r
B. maxNumberSRS
C. SupportedSRS-AntennaSwitching
D. SupportedSRS-TxPortSwith
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 566
华为RAN3.1基站TRS会出现在哪个符号上。
A. 符号0
B. 符号4
C. 符号6
D. 符号2
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 567
以下哪—项原因不会导致BLER升高?
A. SINR陡降
B. 天线不平衡
C. 强干扰
D. 上行TA异常
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 568
以下关于上下行共享信道DMRs的描述,正确的是哪些项?
A. Additional DMRS符号数和前置DMRS相同
B. 必须配置前置DMRS符号
C. 前置DMRS可以占用第一个OFDM符号
D. 最大支持12个端口
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 569
CSI-Rs基站侧配置端口数要大于测试终端端口数,以免造成用户端口不足。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 570
数传测试过程中发现商用终端一直保持RANK4但是MCs很低,可能是什么原因导致的?
A. 空口质差
B. MCS参数设置错误
C. 多径信道相关性太强
D. RANK参数被固定
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 571
NR小区峰值测试中,UE支持256QAM时MCS最高能达到多少阶?
A. 26阶
B. 27阶
C. 29阶
D. 28阶
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 572
SA网络系统内切换过程中,以下哪些原因会导致目标gNodoB侧准入失败?
A. SRS资源分配失败
B. 用户连接数License受限
C. 下行传输资源不足
D. PUCCH资源分配失败
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 573
5G eMBB场景控制信道使用哪种信道编码?
A. 咬尾卷积
B. Polar
C. Turbo
D. LDPC
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 574
以下哪些5G组网架构使用的是SCG splitbearer?
A. Option3
B. Option7x
C. Option 4a
D. Option 3x
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 575
当5G小区实际SSB中心频点为3449.28MHz时,小区测量配置中下发的频点信息是什么?
A. 629952
B. 7811
C. 636666
D. 3449
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 576
关于30KHz SCS,以下哪些时隙配比(下行,上行)可以支持PRACH的长格式?
A. 7:3
B. 8∶2
C. 3∶1
D. 4∶1
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 577
Re15版本中,5GPUSCH的最大码字数是多少个?
A. 2
B. 4
C. 3
D. 1
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 578
占用20个RB资源的sSB携带了多少数据?
A. 432bits
B. 576bits
C. 972bits
D. 864bits
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 579
5G系统支持Extend CP的子载波间隔是多少?
A. 15KHz
B. 30KHz
C. 60KHz
D. 24KHz
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 580
以下哪条消息不能通过SRB3承载?
A. RRCReleae
B. RRCReconfiguration
C. MeasurementReport
D. RRCReconfiguurationComplete
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 581
以下哪些资源位置可能与SSB冲突,导致GAP测量NR频点失败?
A. PDCCH
B. DRX
C. RS
D. PUCCH
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 582
NR小区失效检测及恢复功能(CODR 可以通过以下哪些方式检测失效小区?
A. 业务释放次数
B. RRC建立请求探数
C. 实时统计的KPI
D. 小区不可用告警
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 583
华为RAN3.1 SA小区中网络拥塞的相关统计可以使用以下哪些指标?
A. N.QosFlow.FaiLEst.NoRadioRes
B. N.NsaDc.SgNB.Add.Fail.Radio.NoRes
C. N.E-RAB.FailEst.NoRadioRes
D. N.RRC.SetupReqFail.Rej.NoRsrc
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 584
5G动态时障配比中的SFI(Slot Format Indication)通过哪种PDCCH格式指示?
A. Format2_0
B. Format2_2
C. Format1_0
D. Format0_1
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 585
以下关于PRACH配置索引参数的描述,正确的是哪些项?
A. 该参数决定了PRACH信道的时域位置
B. 针对TDD系统,该参数受BWP带宽限制
C. 针对TDD系统,该参数受上下行时障配置的约束
D. 该参数决定了PRACH信道的频域位置
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 586
以下关于NSA DC场景下(LTE 1.8CHz和NR3.5 GHz)干扰避让相关的描述,正确的是哪些项?
A. 互调干扰影响LTE上行接收
B. LTE侧通过TDM和FDM机制避让控制谐波干扰
C. 谐波干扰LTE下行接收
D. LTE侧通过TDM调度机制避让控制互调干扰
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
QUESTION 587
华为RAN3.1进行PCC锚点选择时会综合考虑哪些因素?
A. NR小区覆盖
B. 负载
C. 上行覆盖
D. 上行干扰
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 588
在3GPP标准协议里,以下哪些事件的测量上报可以触发系统内异频切换流程?
A. A3
B. A6
C. A4
D. A5
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 589
时钟失步静默检测的原理,失步基站的邻站所受到的干扰是由失步基站在不正确的时间上发送数据造成的.
尝试停止失步嫌疑基站所有下行子帧的数据发送,查看邻站干扰消除情况,判定该嫌疑基站为失步基站还
是同步基站.
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 590
在RAN3.0版本中,以下哪些场景下基站会执行重定向流程?
A. UE上报基于覆盖的异频A2测量报告
B. UE上报基于覆盖的异频A2测量报告,且终端不支持异频测量
C. UE上报基于覆盖的异频A1测量报告,且终端不支持异频测量
D. UE上报异系统盲A2测量报告
Correct Answer: AD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 591
PCI冲突检测主要针对PCI碰撞和PCI混淆。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 592
处于Inactive态的UE在移动过程中可能触发哪些流程?
A. PLMN选择
B. 小区重选
C. RNA更新
D. 切换
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 593
协议规定小区选择的判断公式为"Srx1ev>0且Squal>0且Ssinr>0"。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 594
gNodeB在执行资源调度时需要考虑信道质量信息。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 595
以下关于MU-MIMO对网络性能的影响的描述,错误是那—项?
A. 下行MU-MIMO生效后,配对成功的用户下行最大只存在2流
B. 下行MU-MIMO生效后,用户下行平均MCS、平均RANK会抬升
C. 用户信道质量好但用户分布集中情况下,下行MU-MITO生效时,存在用户下行吞吐率下降风险
D. 下行MU-MIMO生效后,下行调度用户数变多,会消耗更多CCE资源
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 596
华为RNR3.1中以下哪个信道不支持MU-MIMO空分复用?
A. PDCCH
B. PDSCH
C. PUCCH
D. PUSCH
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 597
PRACH信道仅支持开环功率控制。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 598
在RAN3.0版本中,以下哪些下行信道(信号)的功率配置必须一样?
A. ss
B. PDSCH
C. PBCH
D. PDCCH
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 599
遵照协议频段内连续CA场景,n41频段载波1(带宽为60MHz)和载波2(带宽为100MHz)的载波中心频
段间隔最大为多大?
A. 89.8MHz
B. 99.8MHz
C. 69.8MHz
D. 79.8MHz
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 600
以下关干华为RAN3.1高频载波聚合能力的描述,正确是哪些项?
A. 高频不支持SCell变更
B. 高频不支持由A2事件触发的SCell删除
C. 高频段CA仅支持盲配置模式
D. 高频频段内CA仅支持在一块基带板内做载波聚合
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 601
华为RAN3.1SA小区中以下哪些指标可以用于PRB资源的监控和优化分析?
A. N.PRB.UL.Used.Avg
B. N.ChMeas.CQI.SingleCW.X
C. H.PRB.DL.Used.Avg
D. N.PRB.UL.Aval1.Avg
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 602
NR小区使用可用率KPI用来评估小区的服务情况,以下哪些情况属于指标Radio Network Unavailability
Rate统计的范围?
A. 射频故障
B. 单板故障
C. 传输故障
D. 核心网故障
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 603
在gNodeB的单板日志中也包含性能指标数据。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 604
在NSA组网中,如果在eNodeB侧配置的5G SSB频点和实际的不一致,会出现以下哪个问题?
A. UE随机接入失败
B. gNodoB拒绝添加请求
C. eNodeB无法下发NR的测量配置
D. UE无法上报5G测量结果
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
QUESTION 605
如果NR广播波束配置成水平3dB为65°波束,则对6AT64R的AAU来说,它支持的方位角调测的范围是以下
哪一项?
A. -22°~22°
B. 0°
C. -10°~10°
D. -42°~42°
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 606
如果5G小区通道校正失败,则Massive MIMO使用哪种权值产生波束?
A. 开环权
B. SRS权
C. 闭环权
D. PMI权
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 607
以下关于5G OSI(Other System Information)的描述,正确的是哪些项?
A. OSI承载在PBCH和PDSCH信道上
B. OSI包括了所有系统消息
C. 同一SI消息中的SIBs周期相同
D. 终端可以通过RRC消息请求OSI
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 608
5G NR中调度的TTI长度为1个时隙。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 609
NSA组网0ption3X场景,5G小区的SIB广播消息内容通过4G小区发送给UE
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 610
电调天线是指通过电信号调整天线振子的相位,改变水平分量和垂直分量的信号,从而使天线的覆盖距离
发生改变
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 611
NR小区的Ss信道功率会根据实际环境进行动态调整
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 612
在5G网络中,为了用户的安全性考虑,NsA层使用5G-GUTI来取代IMSI作为用户的临时ID
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 613
NR中sRs的相关配置参数只有用户级的,没有小区级的。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 614
NR标准支持 PDCCH信道在时域上最多占据3个符号
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 615
PRACH功率控制目的是在保证NR随机接入成功率的前提下,UE以尽量小的功率发射前导,降低对邻区的干扰
并使得UE省电
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 616
NSA组网中,NR出现掉话时会记录在5G网络侧。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 617
NR采用A3事件触发PSCe11变更。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 618
SgNB站内的辅小区变更使用 SBNB Modification流程。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 619
重传数据的调度优先级高于初传数据调度优先级。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 620
NR网络的调度功能主要是在RRC层实现的
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 621
SRS功率控制主要用于上行信道估计和上行定时,从而保障其精度。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 622
NR系统的覆盖问题优化原则是先优化SS SINR,然后优化 SS RSRP
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 623
NSA网络中,辅站释放比过高均是由NR覆盖差的原因导致
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 624
PScel1变更失败时,UE会发生RRC重建的流程。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 625
NR中一个CCE的带宽是3个RB。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 626
NSA架构下的UE附着网络时,可以直接 Attach到NR网络上。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 627
NR中 PUCCH和 PDCCH信道的调制方式都为QPSK
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 628
上行定时使距离 gNodeB不同的UE发送上行数据能同时到达 gNodeB
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 629
gNodeB在执行资源调度时需要考虑信道质量信息
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 630
NR系统中PBCH信道RE功率会基于小区基准功率 ReferencePwr配置偏置
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 631
NR小区存在钺区覆盖的首要解决思路是降低小区发射功率
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 632
NSA组网中,终端侧收到网络侧释放指示,可能是5G侧发起释放,也可能是4G侧发起释放。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 633
在每TTI调度中,控制面信息的调度优先级绝对高于数据面的调度。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 634
UE发送前导后没有得到gNodeB的响应,则会攀升。功率再次发送前导
A. 正确
错误
B.
C.
D.
Correct Answer:
Section: (none)
Explanation
Explanation/Reference:
QUESTION 635
gNodeB通过TPC控制调整 PUSCH和PUCCH功率
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 636
对某些NR测量指标,U2020网管系统可以支持最短1分钟级别的指标上报
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 637
在接入锚点的策略中,如果‘小区禁止’状态被设为‘禁止’,则UE无法占用此小区资源。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 638
5G RAN2.1中,U2020可以同时支持BTS5900和3900的网元管理。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 639
NR小区存在越区覆盖的首要解决思路是降低小区发射功率。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 640
Window Size是TCP窗囗缓存的大小,窗囗越大,对大时延和丢包的抵抗能力越强。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 641
NR中PUCCH和PDCCH信道的调制方式都为QPSK。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 642
NSA场景中触发辅站变更的测量报告是通过LTE传递到NR的。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 643
NR网络中用CQI反映信道的质量状况,UE上报给gNB的CQI是通过测量导频SINR后量化得到的。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 644
NR的DC双连接只存在于核心网为EPC的架构中。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 645
PScell变更失败时,UE会发生RRC重建的流程。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 646
NR系统最多可以同时给UE配置2个BWP。
A. 正确
B. 错误
C.
D.
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 647
Massive MIMO特性主要提升NR系统容量与小区覆盖,同时提升用户体验
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 648
NR系统中A3测量报告上报的最大小区数固定为4。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 649
NR逻辑信道根据传输数据的类型分为控制信道与业务信道
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 650
5G终端的每个PDU会话内可能会建立一个或多个QoS流
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 651
3GPP RE115版本中定义的最大调制方式为256QAM
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 652
5G空口的逻辑信道和传输信道的定义与4G空口完全一致
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 653
5GRAN2.1版本的NR系统最多可以同时给UE配置2个BWP
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 654
当空口采用4流发送时,只需要1个码字的处理即可。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 655
UPF在下行数据包中需要封装QFI包头,gNB根据QFI信息将数据包向DRB做映射
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 656
5G中针对PDCCH的信道管理算法在NsA组网和SA组网中是没有差异的
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 657
重定向流程比切换流程有更低的业务中断时延
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 658
调度过程中基站需要获取PDCP层的数据缓存状态。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 659
上下行的调度过程中都需要使用到CQI上报
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 660
下行 PDCCH功率调整算法只针对小区远点用户生效
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 661
PUSCH和PUCCH功率控制命令是使用同一个TPC命令。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 662
在NR峰值测试场景中,我们需要保证 CSI-RS的端口数不能小于终端最大的MIMO流数
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 663
在现网中,我们推荐所有的小区都采用峰值速率场景下的配置参数,提升用户体验。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 664
3GPP re115的5G版本中只定义了5G到4G的互操作,并没有定义5G到2/3G的互操作。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 665
在gNodeB的单板日志中也包含性能指标数据
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 666
在NSA组网中,只要4G侧出现了掉话,那么5G侧一定也会掉话
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 667
下行小区基准功率是指每个射频通道的最大发射功率。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 668
在5G峰值测试的时候,下行RSRP越高峰值速率越高。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 669
4G和5G空闲态之间通过小区重选进行互操作流程.
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 670
5G NAS流程管理包括注册管理和会话管理两部分。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 671
5G NSA组网下空口无需使用SDAP协议层
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 672
5G SA终端开机搜索SSB时按照channe1 raster的步长进行搜索。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 673
gnodeb的某一个测量指标可以属于不同的测量子集。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 674
gNodeB中基本的性能指标上报周期是1个小时。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 675
MR中上行非调度功能只有TDD系统可以支持。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 676
MU-MIM0技术是用于提升单用户的峰值速率。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 677
NR标准支持PDCCH信道在时域上最多占据3个符号。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 678
NSA组网中的限流量上报功能是网络中必须开启的功能。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 679
PRACH信道仅支持开环功率控制
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 680
PUSCH在承载Msg3时的初始功率比承载其它数据时的初始功率要大
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 681
SRB3连接只用于NSA组网
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 682
UE发送前导后没有得到 gnodeb的响应,则会攀升功率再次发送前导
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 683
UE通过MIB消息获取当前SSB波束的索引信息。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 684
切换过程中的惩罚措施是针对切换准备失败的惩罚,而非执行失败的惩罚。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 685
如果服务小区没有配到某个小区的邻区关系,则会导致到这个小区发生切换失败。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 686
所有调度相关的算法在NSA组网和SA组网中没有任何差异
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 687
网络切片功能只针对核心网,无线和传输都不支持切片。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 688
因为5G低频场景下终端不需要儆时频跟踪,因此在低频场景下无需PT-RS
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 689
在5G网络中,为了用户的安全性考虑,NSA层使用5G-GUT1来取代IMSI作为用户的临时ID。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 690
在NSA组网中,我们可以通过 enodeb和 gnodeb之间的CI接口用于数据分流
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 691
在RAN3.0版本中,低频场景下不支持用于波束管理的CSI-RS.
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 692
在RAN3.0版本中,针对TDD 5G网络,只支持case C的SSB波束pattern.
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 693
在SA组网下,同频邻区之间的移动性可以使用重定向流程。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 694
只要服务小区和邻区之间SSB频点或者SCS不同,那么终端对邻区的测量就是异频测量。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 695
终端可以给基站发送功率控制命令,控制PDSCH的发射功率。
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 696
服务小区没有连接附近小区的邻区服务,说明小区切换失败
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 697
5G中的PDU会话建立请求一定是UE侧主动触发的。
A. 正确
B. 错误
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
QUESTION 698
上行定时使得同一个gNdeB下,所有UE的TA(timing advance)值都时刻保持为0.
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 699
在window size中,窗口越大,时延的抵抗能力就越强
A. 正确
B. 错误
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 700
如果无线RF性能较差,会影响数传过程中的哪些指标?
A. BLER
B. MCS
C. RANK
D. 调度次数
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 701
关于路测弱覆盖原因分析,以下哪些描述是正确的?
A. 切换参数配置,导致无法及时切换间题
B. 设备间题:设备工作状态异常,AAU硬件故障等
C. 传输资源拥塞
D. 可能是环境原因,如建筑物遮挡
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 702
3GPP协议规定,C波段的NR系统支持的子载波间隔有以下哪些?
A. 60Khz
B. 120Khz
C. 15Khz
D. 30Khz
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 703
为了保证5G下行速率测试性能最优,可采取以下哪些参数设置方式?
A. 配置时隙配比为8:2
B. 调制阶数设置支持256QAM或者更高(协议支持)
C. 配置时隙配比为4:1
D. MIMo层数设置为8流
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 704
上下行解耦特性开通后的增益有哪些?
A. NR小区中心用户下行吞吐率提升
B. NR小区边缘用户体验得到改善
C. N小区边缘上行吞吐率提升
D. NR小区用户数增加
Correct Answer: BCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 705
NR的下行参考信号包括以下哪些?
A. csI-Rs
B. DMRs
C. PT-RS
D. sRs
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 706
以下聚合层级中,NR的PDCCH信道可选的聚合级别有哪些?
A. 4
B. 6
C. 8
D. 2
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 707
NR的下行信道质量反馈中3I包括哪些?
A. PMI
B. cQI
C. csI
D. RI
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 708
以下信道或信号可以支持界面MO配置静态功率的有哪几项?
A. SS
B. PDCCH
C. PBCH
D. CSI-Rs
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 709
SA网络中,呼叫建立成功率和以下哪些指标相关?
A. NGSIG连接建立成功率
B. RRC连接建立成功率
C. SgNodeB添加成功率
D. Qos流建立成功率
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 710
NSA组网中,绝大多数信令通过LTE系统交互,因此5G侧记录的指标类别主要有以下哪些?
A. 可用性状态
B. 负载
C. 话务量
D. 保持性
Correct Answer: ABC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 711
以下哪些操作可以减少Psce11辅站乒乓变更概率?
A. 增加A3幅度迟滞
B. 增加A3时间迟滞
C. 增加邻小区同频A3偏置
D. 增加本服务小区偏置
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 712
SA场景下的移动性管理根据UE的状态可以分为以下哪些?
A. 连接态的移动性管理
B. 关机态的移动性管理
C. 空闲态的移动性管理
D. InActive态移动性管理
Correct Answer: ACD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 713
UE上报的CQI主要作用包括哪些?
A. 物理信道传输功率控制
B. 选择传输块大小(TBs)
C. 选择调制编码方式(MCS)
D. 时间频率选择调度
Correct Answer: ABCD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 714
关于功率控制主要用途描述正确的有哪些?
A. 补偿信道的路径损耗和阴影衰落
B. 保证网络覆盖和容量需求
C. 改善终端及基站功耗
D. 抑制5G同频小区间干扰
Correct Answer: ABD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 715
在3GPP标准协议里,以下哪些事件的测量上报可以触发系统内异频切换流程?
A. A3
B. A4
C. A5
D. A6
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 716
以下关于调度请求的描述,正确的是哪些项?
A. 可以通过PUCCH或PUSCH进行发送
B. 只能通过PUCCH发送
C. 单用户调度请求周期越大,小区支持用户数越少
D. 单用户调度请求周期越大,小区支持用户数越多
Correct Answer: BD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 717
以下哪种承载类型是5G SA组网下新增的?
A. Best effrt
B. GBR
C. Nn-GBR
D. Delay critical GBR
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
QUESTION 718
以下哪些可以作为5G空口寻呼消息中的UE ID?
A. S-TMSI
B. 5G S-TMSI
C. IMSI
D. I-RNTI
Correct Answer: BC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 719
以下关于下行调度过程的描述,正确的是哪些项?
A. 下行调度过程中的MCS计算主要依靠CQI上报
B. UE可以在PUCCH和PUSCH上报CQI
C. 当采用全带CQ1上报时,下行分配RB时采用频率选择算法进行分配
D. 下行调度需要终端发起请求
Correct Answer: AB
Section: (none)
Explanation
Explanation/Reference:
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