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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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/ u" C/ x2 c- m: k' b7 L7 ZPASS截图我就不放了,现做以下分享/ p3 s {/ x3 M7 ~" ^3 d
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。5 X/ a( w' V; V$ u1 N
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。! v( u# A( L1 w6 @7 f( Q. ^
拖图有个这样的,我按前边编号写的;1 }# W7 b5 R4 M. @9 m# K7 V, }
' W# k* A$ e' V. V1 B3 q1、What are the two BFD modes?
- C) l6 x+ U6 ]5 ractive
$ ]2 M" O+ E# X3 Z9 ^2 Gasynchronous, Y9 o9 }# a- D! @& Z& x' m
passive
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demand; b& f! Y6 P* T! D; o) }$ O4 K6 C
synchronous
0 h: i' C8 J3 }1 E. V$ v" i, t2、In a simple MPLS L3VPN, which two tasks are performed by the PE router?7 y2 P- g9 R3 n
It establishes pseudo wires with other PEs./ d+ Y. r7 Q3 V' k+ J
It exchanges VPNv4 and VPNv6 routes with CE Devices.
( j$ B2 `( n1 ]4 d% C/ {; e ~6 A2 `It assigns labels to routes in individual VPNs.9 W, U/ c/ w4 v8 O- I1 q( g* c
It forwards labeled packets to CE devices.
# j7 u1 X; N* W W/ X% ]' fIt exchanges VPNv4 or VPNv6 route with other PE routers.
7 X; m0 x6 ^: g5 J5 h7 U3、Which two statements about PPP PAP are true?(Choose two)
+ U2 a' n `, @6 e# TIt requires two-way authentication.
7 I! o" G# S+ qIt can protect against playback attacks.
1 ^% |7 _9 ?' R E, @It is supported only on synchronous interfaces.
3 q- b8 m1 ? `It is vulnerable to trial-and error attacks.
* r- B. T2 @2 }1 B9 Z. w7 w- [Login attempts are controlled by the remote node.3 N+ r9 l/ o3 j8 [0 ]* S
4、For what reason might you choose to use an SVTI interface instead of a crypto map on a tunnel interface?
- ~1 [4 b. r8 r1 {7 ?SVTIs support dynamic routing protocols without GRE headers.+ T# G Z& q( T/ a4 C
SVTIs can support multiple IPSec SAs.* s+ i; H) s0 u7 L. V- k4 ?
SVTIs can carry non-IP traffic.6 R2 t M+ K: J9 K
SVTIs support CEF-switched traffic shaping., @5 W8 |6 J+ R% d: {/ |
5、Which cache aggregation scheme is supported by NetFlow ToS-based router aggregation?
& |) Y' {$ l0 @3 ]& i6 l( p5 vprefix-port
: V7 T, q; ]: o$ |. pAS/ w5 [; W) J+ p- I: E7 u
protocol port6 C, a) F5 L7 j( l2 K
destination prefix3 H/ i+ w0 }" G0 w' Y Q
6、What are the two variants of NTPv4? (Choose two.) $ L: E6 z! h+ O7 x# { i
client/server/ j6 h& w y) i4 Q6 \- i. ?; u& z" a F( i
broadcast & k9 s3 b2 ^( j# c/ E) z, u' e
multicast * l2 m, r( t; ~5 C
asymmetric % u) Q. d* z& L4 w" B
unicast
% C3 s. j; z# b- z! d% A$ t. @: d7、Which feature can you implement to reduce global synchronization?. V8 ]1 h ^' D* p$ ^0 h
WRED
: S5 ~" I0 V n. j6 Xmarking
: Z" B0 g6 P# W, T+ u' @# Jpolicing
3 w! G/ K% l! [6 R5 g! ]; c0 A* h' ?4 qNBAR
/ |3 _& b5 |) K6 Q8、What is the default behavior for a manual summary route when a component route of the summary disappears?
( `1 ]1 |) ~: @5 p- b Y/ VRegardless of the metric if the componnent route,the metric of the summary is unchanged in order to keep stability./ ]& @. _5 @" ^
If the component route previously had the best composite metric ,the same summary metric is retained for stability.& s$ } z" t3 y) J9 V0 p
If the component route previously had the best composite metric ,the metric of the summary changes to the next-best composite metric.
, W# h: n ?% \; B- j& p qif the component route previously did not have the best composite metric,the summary metric is updated,and updates are sent to peers.
9 k2 i U! z! Q2 V/ b9、Which two statements about the command distance bgp 90 60 120 are true? (Choose two.)* U- h& E$ ?0 E, O& `
Implementing the command is a Cisco best practice.
8 F: u' {9 Z* O( v, Z" vThe external distance it sets is preferred over the internal distance.0 r# s; P4 m: r
The internal distance it sets is preferred over the external distance.
: I* X' e3 l! c( V6 i: E" U4 OThe local distance it sets may conflict with the EIGRP administrative distance. l: [2 e* t w; ?4 Z
The internal distance it sets may conflict with the EIGRP administrative distance.
4 Y: S- k5 h; xThe local distance it sets may conflict with the RIP administrative distance.
1 I8 i, r* I0 E, d( a# r10、Which three elements compose a network entity title? (Choose three.)0 N9 I8 o1 \/ q% r/ [: _
area ID
8 d8 N% b3 `8 _+ B- adomain ID
! }) e0 g0 @2 g3 _3 `! ` d) Ksystem ID
+ L A7 t; U6 G* ]2 dNSAP selector
% d1 c+ b2 \( A8 ~MAC address% C5 Q* r+ P# U3 M2 c/ q
IP address w6 X0 j- y f
11、Which statement about NAT64 is true?
# i, L7 C5 ?- a5 rIt uses one-to-one mapping between IPv6 addresses and IPv4 addresses.
, F! o4 u1 v! Z! d9 H3 C" oIt requires static address mapping between IPv6 addresses and IPv4 addresses.
' M. i+ w3 L2 g+ G# }8 e/ h" J* U DIt can be used to translate an IPv6 network to another IPv6 network.
3 K3 p+ x) ^5 R; i& C; V# IIt can be configured for stateless and stateful translation.
8 V6 U* d8 F: L# K9 L) ^7 \12、带图片的选择题
6 o+ H* G: Q! U- s大概意思就是运行了bgp 65500,nei了LocalSite 其中有三条route-map 10 、15 、30
: c% E& J" E1 U, h F& A* P7 U& c这题要选AS 65500 和BGP路由$ w7 p0 A2 m- ~9 |
13、+ s4 g) |5 r% @3 }& c( F
这题是给出一张图,是show bfd nei det 1- Y. }( }4 J9 J$ P+ W( [4 u# \
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% M( K f: J8 U8 Q2 O" M8 Y5 A2 s
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. S X! H8 s& S8 ]* i$ O( e# e这题要选:BGP on RT1 has negotiated …… its peer," F: \0 a& i" L* l& b
还有一个选项是:BFD is active for BGP on RT1' w" k' ^8 R$ }$ s
3 [. U) O( {, A) i3 d9 b' a最后,真心感谢 群内所有人,希望大家都早点PASS!!!
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