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本帖最后由 爱恨交加 于 2016-12-9 11:01 编辑
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PASS截图我就不放了，现做以下分享 A: Q: C$ i g( ?3 [8 ]7 {
继5月26日400-101fail之后的又一次挑战，今天终于pass了，面对着思科的各种变题，本以为我不在持续继续参加考试；上次本以为笔试fail之后就不在考思科了，可作为一名刚刚毕业的专业生，不得不考一个还算可以的证书；现在工作在某个不知名小公司，每天和PC打交道，确实厌倦了这种生活，别的的就不说了， 希望一下题目对大家有帮助。$ K- D* I# X) j; }! d8 l% c
特别感谢在463904693群内得到大家的帮助，虽然有部分新题，但是我还是由衷的感谢，有兴趣的话大家也可以进去。: F% L( M$ K1 }& z/ w( w
拖图有个这样的，我按前边编号写的；
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1、What are the two BFD modes?
; J/ f3 f- _) xactive( \! E: E% ?5 p' s- R
asynchronous2 j- b" E. O1 k0 k
passive
/ ^' e5 Z0 e1 n% C5 t# Y2 Testablished1 Q! k1 I/ s" m2 e- R& u2 B: z: c9 C
demand
' Y# l4 |5 [+ e( C e P( n: q* Hsynchronous
& P: U i* q6 y3 k5 P2、In a simple MPLS L3VPN, which two tasks are performed by the PE router?2 o/ A( y! Y( a6 A3 n- F6 O* w% _ t4 b
It establishes pseudo wires with other PEs. ^9 N9 I3 c3 _ Q; W T& h
It exchanges VPNv4 and VPNv6 routes with CE Devices.
( V# Y9 ?5 O F7 VIt assigns labels to routes in individual VPNs.7 z) @' K, Q3 Z7 m! g% @( W
It forwards labeled packets to CE devices.% A: U, g! o$ O: A# h+ F
It exchanges VPNv4 or VPNv6 route with other PE routers.4 }0 U4 T3 M4 x1 X! [1 }& W0 F- y
3、Which two statements about PPP PAP are true?(Choose two)- T4 |9 ~% b0 r: @# x
It requires two-way authentication.* _4 z5 p( _0 f2 l: R
It can protect against playback attacks.
8 T* j# Z' O( S) T. s }; B- _It is supported only on synchronous interfaces.
6 v. `2 `+ P2 s4 g. PIt is vulnerable to trial-and error attacks.
- n; m3 ^$ u: fLogin attempts are controlled by the remote node.. B# K7 D4 j6 O
4、For what reason might you choose to use an SVTI interface instead of a crypto map on a tunnel interface?
) H- W: Y# a# @3 |' I5 D1 NSVTIs support dynamic routing protocols without GRE headers.
0 d& _7 B/ R& H9 X5 _SVTIs can support multiple IPSec SAs.; Z3 Z7 k% G2 h8 |7 \" m5 v0 M
SVTIs can carry non-IP traffic.
; z& x+ w# D+ j# s6 T- s" E% m8 zSVTIs support CEF-switched traffic shaping.
# ~! m! x0 G# F5、Which cache aggregation scheme is supported by NetFlow ToS-based router aggregation?
9 o; Z/ N0 Y s- H4 h7 cprefix-port
6 l2 S1 Z# U; c, |# ^$ ]AS
$ i( v3 b o" h2 I# Y7 bprotocol port
6 v4 p8 w7 Q& [3 ~1 N, }destination prefix8 Z0 M4 W* Y5 u2 c3 [& ^
6、What are the two variants of NTPv4? (Choose two.) + G: t- m( R' `# g5 s
client/server; W- D) [- n' X. R
broadcast ' C! z ^6 @' c" \
multicast
+ m$ I' \7 W* i0 kasymmetric - G4 G1 V7 s+ M
unicast , y- N/ J$ P5 Z8 V
7、Which feature can you implement to reduce global synchronization?
7 G9 w' Q% \/ G" `2 hWRED
& i6 J- ^& j9 j- @# Vmarking
9 e( `- k7 J4 dpolicing
, ?! n% U. _3 y3 C E% ANBAR# M: _9 y; t, Q# z. l
8、What is the default behavior for a manual summary route when a component route of the summary disappears?$ k) ^3 x5 n( k0 e6 D
Regardless of the metric if the componnent route,the metric of the summary is unchanged in order to keep stability.
) V/ N& U- N* oIf the component route previously had the best composite metric ,the same summary metric is retained for stability. f3 }5 R# X- Z- o; h( ^0 s
If the component route previously had the best composite metric ,the metric of the summary changes to the next-best composite metric.0 l& y1 N8 v5 ]# a
if the component route previously did not have the best composite metric,the summary metric is updated,and updates are sent to peers.
3 r" I. ?! b; X9 h9、Which two statements about the command distance bgp 90 60 120 are true? (Choose two.)! O/ {; L R" ~1 ?! {$ \/ g
Implementing the command is a Cisco best practice.% K" E; f8 J2 ~" T. V0 Q& O$ e- S
The external distance it sets is preferred over the internal distance.
# [8 D; ?: L9 L ~0 bThe internal distance it sets is preferred over the external distance., K9 V" ?+ D, z5 T7 M1 ~
The local distance it sets may conflict with the EIGRP administrative distance.8 J0 {1 U0 K# R+ t9 D
The internal distance it sets may conflict with the EIGRP administrative distance., ~) h8 O8 o6 c) _
The local distance it sets may conflict with the RIP administrative distance.
; Q: y+ a! E* d10、Which three elements compose a network entity title? (Choose three.)
6 o/ _0 L% r+ Oarea ID1 Z% [8 G8 w, I, j9 X0 N4 e
domain ID
8 m7 v- I1 o2 S, L4 tsystem ID0 n7 N$ \+ S7 O7 i) A
NSAP selector
6 ? \3 O7 y0 h" a7 IMAC address
4 H) K( U |9 K% F% o3 f9 i2 Y5 mIP address) Z! h$ A1 k4 p" f! e9 [
11、Which statement about NAT64 is true?
5 r$ Q: B- f, NIt uses one-to-one mapping between IPv6 addresses and IPv4 addresses.
- j x. \4 W3 K# P1 J2 tIt requires static address mapping between IPv6 addresses and IPv4 addresses.
8 }7 L$ k q' O% tIt can be used to translate an IPv6 network to another IPv6 network.
3 D; E* h. {. }# }; p0 g4 R* M0 PIt can be configured for stateless and stateful translation." |- n; V( [" ]4 M
12、带图片的选择题! v* N8 T: H5 ?( S2 z; g
大概意思就是运行了bgp 65500，nei了LocalSite 其中有三条route-map 10 、15 、30+ U) V; G5 ?) t! x8 N% C
这题要选AS 65500 和BGP路由. {$ q/ Q% {$ N3 G: [8 U" @) _
13、, w- ~0 l) I: N% }' a
这题是给出一张图，是show bfd nei det 15 @0 `8 m! h0 U+ y
Nei的地址是10网段的 LD/RD LD是1 RD是一个很大的数字，状态都是UP ，INT 是 g0/3- i% O2 W V# y: v, H
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- I1 F% }" Q- n这题要选：BGP on RT1 has negotiated …… its peer,+ T& k7 ]! j$ S: _
还有一个选项是：BFD is active for BGP on RT1. w1 S6 P/ }6 G8 ~: X2 v
& [0 Q8 Z$ e6 l; R/ J) F. w2 h最后，真心感谢 群内所有人，希望大家都早点PASS！！！
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发表于 2016-12-9 10:57:43
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