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鸿鹄论坛»鸿鹄论坛 › ≡□≡思科认证≡□≡ › CCIE题库战报 › 个人分享区 › 4-6 400-201 PASS
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[笔试战报] 4-6 400-201 PASS

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earts
发表于 2016-4-6 13:02:25 | 显示全部楼层 |阅读模式
800多分通过，错了11题左右，有2道新题。感觉185里有部分答案需要在继续推敲一下。
, N2 D" _" _6 T& p! y1 B9 ^2 D1 `/ E3 @4 s& K$ P) P) |3 r  ~

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earts
 楼主| 发表于 2016-4-6 13:02:56 | 显示全部楼层
新题
7 D4 c: s8 d) K# h- J9 y186. Retaining LDP session if one links fail out of two for two neighbors.
9 x6 l+ ^. h9 p# sA. MPLS LDP targeted-hello accept
5 \8 Y4 P  f* L! Y; x" @* e% nB. MPLS LDP sync
6 R& ^2 [$ l  H! n/ \C. MPLS IP* Q/ `2 K$ t3 z2 k7 ^
D. MPLS LDP autoconfig( s+ W  M* d5 a' C. y# ~

" g. e$ t' p/ v0 k+ bwhat is the port number of L2TPv3 protocol to be allowed on the firewall.- |5 x# ]! h, z2 [8 Y- x4 d' [
A .Per tcp host x.x.x.x any eq 1701! y# Z' ?3 m. ^6 u% J
B .Per udp host x.x.x.x any eq 17010 o8 T2 u* c/ p, B; s
C .Per udp any host x.x.x.x eq 1701
% P- e; G1 }" W$ fD .Per tcp any host x.x.x.x eq 1701
沙发 2016-4-6 13:02:56 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 13:04:12 | 显示全部楼层
% ?) Z) R  i6 L9 K: s4 _$ X
老题2 l. n7 N* C  z$ l# E5 {$ R
这条选三个，注释的答案没了0 m! T' x- F; u
Which are the four key design requirements for mobile IP backhaul?
1 C4 k# |' K8 |(Choose four): t  `1 C' X; V* x/ `1 t
A. network timing distribution and recovery8 v& ^% n' p, g: A: e5 {& v2 Y& e
B. MPLS-enabled interface- d+ F7 H( b5 i; U. o
####C. Layer 2 Tunneling
$ l0 f0 ^9 \& L& o/ f/ x: UD. X2 interface turning point / q; j0 R' ]! E/ I
#####E.  DiffServ QoS
0 d# v. u8 q2 h! j6 t- |F. bandwidth4 ~% _, R1 s6 p! A/ G+ ?
G. native IPv6 support1 e3 z* M) y5 Y* I$ D  ~, u3 |: s
H. mandatory Layer 3 access up to a cell site2 N* w7 `  t! S8 R7 k
Answer: A,G,H
板凳 2016-4-6 13:04:12 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 13:05:57 | 显示全部楼层
老题
& [9 d2 _  p) t# o! w. t3 r这条选三个，注释的答案没了+ k2 X$ @: |+ x/ Q
Which are the four key design requirements for mobile IP backhaul?% ~. d5 S2 m! r6 D+ }" `5 b- Z
(Choose four)
' K+ ^' U4 ~1 d+ }; f0 dA. network timing distribution and recovery
, F1 `8 Q% ^9 r; P6 mB. MPLS-enabled interface4 E# d' E' E4 G7 k0 l6 W2 R# V
####C. Layer 2 Tunneling
; q* C" _' I% ~" K$ yD. X2 interface turning point ) Z' ?! a6 o; a! ?/ N
#####E.  DiffServ QoS7 f7 J. d% B# ~  m! \! X* Y
F. bandwidth
" c# n3 ^7 a* [- f2 @( o4 b, BG. native IPv6 support
* B" D( p, B& q! P" ?4 M7 U9 eH. mandatory Layer 3 access up to a cell site
地板 2016-4-6 13:05:57 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 13:06:14 | 显示全部楼层
QUESTION NO: 94* a0 v) C- {8 O
Two Tier 2 Service Providers are using a Tier 1 Service Provider for transport. MPLS is required! ?/ e; t4 g: Y; m- V! m5 l
between the Tier 2 Service Providers for label switching. In this CSC solution, which label stack
0 a* t, b9 b9 c! wis correct?% p- [6 b7 F7 c5 g7 y% C; W0 A
A. original IP packet, MPLS CSC transport label, MPLS VPN label, and MPLS Tier 2 transport label
5 U) s0 K3 V  P* RB. original IP packet, MPLS Tier 2 transport label, MPLS VPN label, and MPLS CSC transport label% l( y% Q" |) b3 M
C. original IP packet, MPLS VPN label, MPLS Tier 2 transport label, and MPLS CSC transport label
/ V  ]3 b/ ]7 MD. original IP packet, MPLS Tier 2 transport label, MPLS CSC transport label, and MPLS VPN label0 f( m, s: ]7 J/ ^7 |" J
E. original IP packet, MPLS VPN label, MPLS CSC transport label, and MPLS Tier 2 transport label
5# 2016-4-6 13:06:14 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 13:06:28 | 显示全部楼层
QUESTION NO: 70
8 R* }3 V+ h) E6 V/ F; HSSO was configured on a Cisco ASR 1006 Router by using two RPs. When the main RP failed, a# |: H( M) f" f! k* h8 O3 z" k
service disruption occurred. What are two reasons that the SSO did not work? (Choose two.)" {* g% {. L0 n/ D4 d3 v+ C' E
A. The standby RP has a different DRAM configuration than the primary RP. B.! P/ [  m. ?% D7 O* q
HSRP and NSF are not configured.
: y0 `6 f* _$ D, {3 pC. The ESP that is installed in the Cisco ASR 1006 Router does not support SSO.
5 C' z/ T; Q* k; a% a) |- ID. The standby RP was not ready to switch over when the primary RP failed.% m1 ]& j2 t/ z. k' U. H7 P
E. The standby RP has a different IOS version than the primary RP.
6# 2016-4-6 13:06:28 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 13:06:39 | 显示全部楼层
QoS is applied on an outgoing interface as shown below:1 U3 h/ J- H8 X5 b6 p
policy-map COS-OUT* Z+ |& |( }8 q
class DATA
  Q0 Q/ V9 r8 m2 o" Srandom-detect dscp-based! n1 ^7 O. A( h0 X! Z/ Y/ d
random-detect exponential-weighting-constant 9
4 |2 w) Q5 n7 U/ Q8 Mrandom-detect dscp 26 39 117 30" l& \! \7 p  t' Y" h- }5 H+ y6 a" _
random-detect dscp 28 19 35 205 q$ l  J* K( G) ^9 B
What will the QoS result be for egress traffic with an average queue depth of 40 that is marked- a; T2 t4 ?9 E+ s) w& {% {8 f3 v
as DSCP AF32?
, ~) S$ A: s% J* `) l0 xA. Traffic will be dropped with a random rate less than the one defined by MPD.
1 T, M" I( q8 H" p$ lB. All traffic will be tail dropped.
( [: @2 K5 |2 z/ \' F  \9 K, gC. Traffic will be dropped with a rate of 1 packet out of 20.
6 i" a( M5 ~' D+ B$ ?" AD. Traffic will be dropped with a rate of 1 packet out of 30.
7# 2016-4-6 13:06:39 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 13:06:48 | 显示全部楼层
QUESTION NO: 54+ t4 Y. k+ G, @1 Q- P+ q/ C$ S( }
An R1 router requires an equal load balancing to reach the prefix 192.168.0.0/16 over two exit
4 X1 Z4 _9 L' C! R5 j. _  lpoints: through R2 and R3 routers. Which two options must be configured on the R1 router to
7 u9 W9 H; _5 n0 w" bachieve this goal? (Choose two.)
0 x% `* [6 D( q7 ]. M6 [A. The BGP maximum path feature must be configured on R1.3 M0 U! I' [; ]; n
B. The BGP PIC core must be enabled on R1
" P) q8 P$ ^0 v9 D( b6 T+ fC. Weight, local-pref, MED, as-path length, origin, and the BGP next-hop IGP cost must be the
) @! a4 @; ~6 V4 c- I3 \+ q7 Dsame for the R2 and R3 IBGP updates to R1.
( c9 g1 w2 m# C/ @1 RD. The BGP Link Bandwidth feature must be applied on R1.
1 ?6 R8 U; o( R1 @! A: b, d5 iE. BGP extended community exchange must be enabled between IBGP neighbors.! r/ y7 G1 W" v( W7 U
Answer: A, C
8# 2016-4-6 13:06:48 回复 收起回复
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bajie1
发表于 2016-4-6 13:45:25 | 显示全部楼层
Thanks a lot
9# 2016-4-6 13:45:25 回复 收起回复
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染指蓝调
发表于 2016-4-6 16:40:17 | 显示全部楼层
楼主给的这几个185题库里的答案是有错误的吗。明天去考，希望能过~
10# 2016-4-6 16:40:17 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 16:58:59 | 显示全部楼层
染指蓝调 发表于 2016-4-6 16:40( z; ~7 h7 |6 M; `( {6 W
楼主给的这几个185题库里的答案是有错误的吗。明天去考，希望能过~

6 z8 E$ @. V  t3 e9 Z2 G! k按照185的考能过
11# 2016-4-6 16:58:59 回复 收起回复
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earts
 楼主| 发表于 2016-4-6 16:59:13 | 显示全部楼层
染指蓝调 发表于 2016-4-6 16:402 o% S+ C) ]) U7 S& @: U/ Y
楼主给的这几个185题库里的答案是有错误的吗。明天去考，希望能过~

# p* r2 g2 ~7 F5 j; K按照185的考能过
12# 2016-4-6 16:59:13 回复 收起回复
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markleung
发表于 2016-4-7 10:02:58 | 显示全部楼层
What will the QoS result be for egress traffic with an average queue depth of 40 that is marked as DSCP AF32?: S: P( n9 }* o
A. Traffic will be dropped with a random rate less than the one defined by MPD" |) G0 Q' V& E  X( m
B. All traffic will be tail dropped.7 t% u- U! V0 b) v
C. Traffic will be dropped with a rate of 1 packet out of 20.; B. X: N) C+ l4 x' Q( U. r0 c
D. Traffic will be dropped with a rate of 1 packet out of 30./ K( L0 }7 B9 J& c5 E" y1 l4 d" r
0 U9 N  A3 b" V! v
其实这个得分答案是哪个啊   有些说B有些说C
13# 2016-4-7 10:02:58 回复 收起回复
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markleung
发表于 2016-4-7 10:03:39 | 显示全部楼层
What will the QoS result be for egress traffic with an average queue depth of 40 that is marked as DSCP AF32?
9 L8 j% C2 p& |( `1 [A. Traffic will be dropped with a random rate less than the one defined by MPD7 v1 i0 Q6 o% p5 f( O! u7 R
B. All traffic will be tail dropped.4 z% P/ w2 q% A9 }0 r* g
C. Traffic will be dropped with a rate of 1 packet out of 20.* n/ O7 f/ ~! ?# d
D. Traffic will be dropped with a rate of 1 packet out of 30.
; m& w0 q& m2 U0 u  O/ Y6 d: V; N  m0 J& h
其实这个得分答案是哪个啊   有些说B有些说C
14# 2016-4-7 10:03:39 回复 收起回复
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