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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! }; u# @7 U" P3 \
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。
/ Q9 y% z7 ?0 K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。0 j& s+ [ q& ]; w
拖图有个这样的,我按前边编号写的;
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- M3 P) S* r4 G- W. r1、What are the two BFD modes?
$ W; \+ @3 U% d" ?/ f, Y8 K: p+ jactive
! o7 |5 b4 v V1 f: M4 d/ iasynchronous0 u* g% f9 i+ A9 A
passive* m" M8 [( K, V# f
established9 v2 i: D% i' r* k# A/ h3 z9 D3 Z
demand
5 C y- }8 W/ ^' C/ L9 gsynchronous+ s. {+ y Y4 r
2、In a simple MPLS L3VPN, which two tasks are performed by the PE router?
+ T% E& p# n$ h$ H% S# ]9 PIt establishes pseudo wires with other PEs.1 o2 l- H* v) @) z0 O
It exchanges VPNv4 and VPNv6 routes with CE Devices.
0 w( j" [1 d5 T/ d: J p' B) LIt assigns labels to routes in individual VPNs.# m5 ]- t, ?2 C9 ]) a) U; M
It forwards labeled packets to CE devices.) f% j+ G# Q/ \
It exchanges VPNv4 or VPNv6 route with other PE routers.1 a7 o4 X! i# M* W
3、Which two statements about PPP PAP are true?(Choose two)
' O" ^) ?' h5 H6 b3 P3 S u$ AIt requires two-way authentication.2 N/ A9 q8 }3 u1 n
It can protect against playback attacks.) C$ L& \6 I6 W& e( M# C2 g
It is supported only on synchronous interfaces.
5 ^# ~- I0 I! H* b# r% l+ n( E* t( IIt is vulnerable to trial-and error attacks.; l9 e( ]. a$ X1 ]" a l$ m- B
Login attempts are controlled by the remote node.
: g+ H; e, J; T/ J& w4、For what reason might you choose to use an SVTI interface instead of a crypto map on a tunnel interface?7 m2 K& a9 \ m7 U; q
SVTIs support dynamic routing protocols without GRE headers.
7 w0 Y. L% G, q; a5 CSVTIs can support multiple IPSec SAs.
' W4 O; L1 G E3 E4 RSVTIs can carry non-IP traffic.
3 ]& v' Y2 }/ ~- A) RSVTIs support CEF-switched traffic shaping.
% g6 b. h: M7 o# z6 S$ f2 w# u5、Which cache aggregation scheme is supported by NetFlow ToS-based router aggregation?. ]# _8 o1 c& W W- ], L0 o
prefix-port
7 h; x& |$ t# Y0 TAS
6 V5 G9 `% M+ Iprotocol port
8 W5 ~+ L! V# L/ Ddestination prefix
* h# | Z5 U/ `. M7 A6、What are the two variants of NTPv4? (Choose two.) # G. U- D+ a5 L
client/server
0 V1 h( Y' i' A) B" j- sbroadcast 8 U7 F8 n( A2 V' l4 T0 k
multicast ! C9 y/ ^- y6 J. x( I0 ~1 D
asymmetric . p3 ~) U2 K7 A& X) ?, c
unicast * v; t) G) _; P' `1 Q
7、Which feature can you implement to reduce global synchronization?
) T( x; |. x) l {1 |. `WRED
* {6 X' R6 |, j" N% t6 kmarking4 f2 }9 I2 S' s! D' V$ e' R
policing3 g% u( f o7 A& C3 ]+ y& G6 f
NBAR7 s, E& r+ H' ]) r9 Y D$ b! Z
8、What is the default behavior for a manual summary route when a component route of the summary disappears? E/ h6 ]2 c- v4 }- i
Regardless of the metric if the componnent route,the metric of the summary is unchanged in order to keep stability.: O( ^2 j. W1 c. U1 R4 d; o
If the component route previously had the best composite metric ,the same summary metric is retained for stability.1 R4 K5 k9 F# ~, E8 i8 _$ {! j6 }* t
If the component route previously had the best composite metric ,the metric of the summary changes to the next-best composite metric.
" l; f b5 d: A# q+ C0 a# ?- Wif the component route previously did not have the best composite metric,the summary metric is updated,and updates are sent to peers.' `& r2 |5 e L) Q# t7 e
9、Which two statements about the command distance bgp 90 60 120 are true? (Choose two.)% ~5 W' M4 }3 v" } E" k6 ~
Implementing the command is a Cisco best practice.# T; ~) h' t/ s
The external distance it sets is preferred over the internal distance.( S. A. h, v" b7 F6 q7 b7 s* _
The internal distance it sets is preferred over the external distance.
1 T" g8 q2 `" h6 M4 Q5 |The local distance it sets may conflict with the EIGRP administrative distance.
' y+ H* ~! d9 t! G7 JThe internal distance it sets may conflict with the EIGRP administrative distance.0 U/ z6 e5 r& H& l
The local distance it sets may conflict with the RIP administrative distance.
! b8 \, S" M& V3 q* H1 _10、Which three elements compose a network entity title? (Choose three.)/ d2 R1 Y% M& x! \2 T9 R0 ?; m
area ID8 w0 M+ ~% h- x& l5 b9 z ?
domain ID; i k) w1 f+ q$ M2 G; O
system ID
, x0 L/ K. h) F; X8 p. V. x6 {, XNSAP selector E+ G5 c8 A: ~; y) t1 i) N
MAC address
+ M: Y b* A7 {% D7 PIP address, L2 |' \" l- H" W0 W% v
11、Which statement about NAT64 is true?/ R- c3 y2 A: A0 U
It uses one-to-one mapping between IPv6 addresses and IPv4 addresses.
# ^2 n9 u/ N+ eIt requires static address mapping between IPv6 addresses and IPv4 addresses.7 A/ V+ p* `+ k8 _) K5 |
It can be used to translate an IPv6 network to another IPv6 network.
3 J8 F) G" f5 Z$ O o/ R: qIt can be configured for stateless and stateful translation.
8 i0 @8 `) S, Y1 ]$ f; d12、带图片的选择题" f: x, A) B6 w
大概意思就是运行了bgp 65500,nei了LocalSite 其中有三条route-map 10 、15 、30: f: d& e9 B6 \! B/ v. f
这题要选AS 65500 和BGP路由! t9 F k/ K0 } m4 n
13、( D. Z3 P, Q2 |: @* |, C1 R
这题是给出一张图,是show bfd nei det 1/ h# [4 Y1 u( k6 Z( |$ _
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
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这题要选:BGP on RT1 has negotiated …… its peer,; k% q- \/ R1 d5 o$ t
还有一个选项是:BFD is active for BGP on RT1" w, ?- A$ ~5 [: h- y. L; Y
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最后,真心感谢 群内所有人,希望大家都早点PASS!!!3 V& ?+ R; X- C/ k) v
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