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初级工程师
  
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首先感谢一下客服三
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正确率8 y. t- D3 t: a
Network Principles 100%; E" h- ~- B/ v& Q9 [' }( w+ z
Layer 2 Technologies 100%, V1 j; {2 C: s' ~* e& N4 t
Layer 3 Technologies 93%4 f; ^! ^" L4 D6 u& w8 _
VPN Technologies 100%- l3 i9 f9 P8 q) z7 f; g
Inftastructure Security 100%
8 h7 n- m- J0 f! D* ]* a0 v# |2 v. [Inftastructure Services 100%
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; N4 q. h, e3 A! C拖图题-无
8 z. [# K+ W2 l$ m }3 j, s# E不过我是都看过两遍了,也不费时间
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2 R4 Z6 R% C0 b. E, v- [实验题
5 ^9 d* Z7 j# l) Q$ _/ o3 B& OOSPF CASE Q20 }8 ~+ w; b' {% X+ O
R1-R3 是non broadcast类型,时间是30 120 120
$ q3 x1 s( R6 j4 z0 ZR2-R3 是point - point time 10 40 40 (应该是这两个值)
# T @% J2 g3 d' R7 Q- f4 E9 ~7 |所以选了A need neighbor command for the adj to stay up$ e% e) J) s( c. l- l* \# z: ^3 H' V* c
其他就是不能copy run start的老问题,还有进程号,area号自己要看清1 c/ }6 i9 H3 x& R4 e4 f3 a
. q" X/ V0 V. r# R) S9 s选择题( c& b$ c7 ~, r- H# ?
QUESTION 135: P5 p' t" U' \
Refer to the following configuration command.
- f& [) m9 | I# U, Orouter(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80
' p C" q. A4 j7 w( PWhich statement about the command is true?
; u& J P/ W, a9 }- r* Y' A+ ` EA. Any packet that is received in the inside interface with a source IP port address of# a3 {6 W0 I+ S ?, A) B) V. K; j
172.16.10.8:80 is translated to 172.16.10.8:8080.
* H# `3 c; q& G3 N* g' i6 vB. Any packet that is received in the inside interface with a source IP port address of
1 b6 b5 g3 o2 \- p" r- H172.16.10.8:8080 is translated to 172.16.10.8:80.
0 r& h P! X+ M( `0 N/ _% DC. The router accepts only a TCP connection from port 8080 and port 80 on IP address) ]5 P6 o* e7 A: w
172.16.10.8( o% f, {; ^# e1 S: Q
D. Any packet that is received in the inside interface with a source IP address of 172.16.10.8
3 a5 y+ l0 Q5 H7 _; a, \is redirected to port 8080 or port 80.
6 f/ n$ d: L$ e* g: r1 g% M: F9 eCorrect Answer: A 我选的B
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117 The enterprise network WAN link has been receiving several denial ofservice attacks from both IPv4 and IPv6 sources. Which three elementscan you use to identify an IPv6 packet via its header, in order to filter future attacks? (Choose three.)0 L- R9 ` v6 P/ W1 X! J
A. Traffic Class
0 Q F4 ^1 I u" V$ z" ^/ k& rB. Source address" G6 W) j# y4 _$ H9 B! u5 l) r& X* d
C. Flow Label
; E u7 M1 D: {/ O( b$ gD. Hop Limit; R1 k5 M& ~; B+ O
E. Destination Address; r+ x& v1 a7 Y( N& M) O
F. Fragment Offset
) H6 h2 \9 w# q4 t s% w' {Correct Answer: ACD 我选的BCE6 j" W0 d3 I9 t; [/ I' y/ z
& ` W" u4 H+ x138 Other than a working EIGRPconfiguration, which option must be the same on all routersfor EIGRP authentication key rollover towork correctly? (论坛答案为D,网友答案为C)
: k" J7 U6 s2 @4 X$ F* M0 iA. SMTP6 a. Y4 x/ i- g
B. SNMP: d3 Q3 K- R* b9 S2 x
C. Passwords; {* E. e! S5 N( ^ j5 Z: f/ l* ]% d
D. Time
. a5 }+ ~7 P" `1 |( d1 A1 _1 S" ACorrect Answer: D 我选的D
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" j2 d- U, G! B4 B* L191 Refer to Exhibit. Which two reasonsfor IP SLA tracking failure are likely true? (Choose Two.& t5 H1 j$ N1 `% X9 C
A. The source-interface is configured incorrectly.+ t0 e# y( v) w: |5 j7 r
B. The destination must be 172.30.30.2 for icmp-echo.
/ Y. g, m$ W# W7 _ k. ~7 u: [! qC. A route back to the R1LAN network is missing in R2.. {9 n7 C7 s* y! j+ ^
D. The default route has wrong next hop IP address.# z# }; W3 Z5 U1 d0 h8 x
E. The threshold value iswrong1 K5 H1 S5 d( h
Correct Answer: BE 我选的AC
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% v) k! A6 k6 d' N" j( L% C6 q192 A network engineer enables OSPF ona Frame Relay WAN connection to various remote sites, but no OSPF adjacenciescome up. Which two actions are possible solutions for this issue? (Choose Two.)5 P3 x2 }6 @- x; `0 n
A. Change the network type to point-to-multipointunder WAN interface.
) _2 l) L5 S( q0 gB. Enable virtual links.* n# x$ O) f8 j
C. Change the network typeto nonbroadcast multipoint access.
F# j+ k- B7 a, _( L+ pD. Configure the neighbor command under OSPF process for each remote site.
$ A3 q3 h0 u; X- pCorrect Answer: AC 我选的AD
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0 H* e1 Y- {" e4 v202 What is URPF checking first whenthe packet enters the interface? 或者是 When unicast reverse patchforwarding is configured on interface, which action does the interface takelist when it received a packet?
4 G" W' a, a4 C9 R' ~A. It check the ingressaccess list
' W: e; p+ X5 Y" Z8 A: aB. It check the egress access list
2 _1 `2 N0 t9 p" ^. n( @5 C, }0 e+ IC. Route available in FIB 或是It verifies a reverse patch via the FIB to thesource path5 R& q( x; o# D; x# C8 f7 T; Q3 c2 ]
D. It verifies that the source has a valid CEF adjacency
; C' t( v+ c+ b9 JCorrect Answer: C 我选的A8 t* I2 a3 R( k+ c7 x
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其他的就和题库基本一样了,记不太清楚了,我选的也不一定对,给大家参考 |
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