 成长值: 64000
|
本帖最后由 小乔 于 2020-5-26 09:07 编辑
4 k3 y- j, a l' e# @- @9 v# A2 O& e! U3 \) q( w% K
1 A network engineer must create a diagram of a multivendor network.which command must
6 P7 l# B/ }; y* G- Fbe configured on the Cisco devices so that the topology of the network can be mapped?
) S/ d' s% N( i, @' m0 F/ cA Device(config)#lldp run0 g; e9 ^* U9 Q' s* S' Q* F: C: S: y
B Device(config)#cdp run
* \; G! ~2 \( D: P1 |' k8 sC Device(config)# cdp enable
! |7 W" T( z& V; \D Device(config)# flow-sampler-map topology# ]6 u- F( I' ?* A& {2 o- I% p
1 i3 z# {2 G) q; Q$ J4 K6 H* X6 E. i
2 How do TCP and UDP differ in the way they provide reliability for delivery of packets?
) x j5 V2 v+ Y# }/ F% GA TCP does not guarantee delivery or error checking to ensure that there is no corruption of data;
6 r0 @4 r% `9 ?* p* C( WUDP provides message acknowledgement and retransmits data if lost.
& J3 E/ ?6 f& D) H* w( u- ]B TCP provides flow control to avoid overwhelming a receiver by sending too many packets at
$ v8 S5 E- Z* e6 A3 G2 ~ D( a- M0 T: Yonce; UDP sends packets to the receiver in a continuous stream without checking for sequencing.7 V3 _' N% S& j& A# U- f
C TCP uses windowing to deliver packets reliably; UDP provides reliable message transfer" s# w& z& z% R8 F. e* Y% ^, f
between hosts by establishing a three-way handshake.( K5 `: ^: a' `# Z' `- J1 u: e- R
D TCP is a connectionless protocol that does not provide reliable delivery of data; UDP is a
- E! {0 P- N6 {connection-oriented protocol that uses sequencing to provide reliable delivery.
" S, B7 ]4 R& Y' A& |4 |) l) [1 U* O c- Q$ G6 @' _
/ D4 ?! O& e. G# g3 which command must be entered when a device is configured as an NTP server?* t; n9 E! O: `* ~0 P
A ntp master* e: R# L' K2 f% F4 u7 s# ?
B ntp sever
! |- ?, S( u w/ M% BC ntp authenticate) ~1 y {1 X0 z, \
D ntp peer
# Y4 q) G: i8 x' U2 |; M3 H3 g4 ~/ E
4 which two minimum parameters must be configured on an active interface to enable OSPFv2
! L% S3 l" t4 k2 Q( U0 }to operate?(choose two)2 P2 o& o; @( ~
A IPv6 address
' W3 _: Y6 K3 q4 q" ~* NB OSPF process ID
) s* \. |* m8 r: T, YC OSPF MD5 authentication key: a0 D" v V) a4 p$ m _, I
D OSPF stub flag
( U3 Z* q1 M, A8 l+ uE OSPF area
" A% q$ R3 L1 e
7 b' T1 D, K1 S U+ P" d0 w" f6 b3 W. n A- C- T3 p) ` G& q: }* }
- {7 K& e q T& ~
5 What are two roles of the Dynamic Host Configuration Protocol (DHCP)? (Choose two.)$ }& y( C8 A5 r
A The DHCP client maintains a pool of IP addresses it can assign." W+ x- ?- C* |* C: q% C" o
B The DHCP server assigns IP addresses without requiring the client to renew them.
! o6 c$ i* t( S! \C The DHCP client can request up to four DNS server addresses.
% ?" p- c. Q/ @6 X7 R/ l9 ?3 |D The DHCP server offers the ability to exclude specific IP addresses from a pool of IP addresses6 J8 v" C+ E9 ]% k
E The DHCP server leases client IP addresses dynamically
) B7 ~1 m& L. m; a' s/ g& U
' ]+ y' _5 P7 v9 e3 O
2 O$ j$ D$ _6 D7 z6 w5 X
# P5 \! U% ^. X* ], w! F) z/ H( x, ^
. {/ B% f$ r8 K2 P8 D3 e* E2 S9 d8 q! L6 U3 }
来源: CCNA（200-301）近期考试新题02 |
|
简体中文
英语
日语
韩语
法语
西班牙语
越南语
泰语
阿拉伯语
俄语
葡萄牙语
德语
意大利语
希腊语
荷兰语
波兰语
保加利亚语
爱沙尼亚语
丹麦语
芬兰语
捷克语
罗马尼亚语
斯洛文尼亚语
瑞典语
匈牙利语
繁体中文
文言文
[复制链接]
发表于 2020-5-26 09:03:37
置顶卡
喧嚣卡
变色卡
千斤顶
发表于 2020-5-26 09:09:05
