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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。* I$ R) [9 V+ X! `2 U  r- Y

& \# V) q" z' Y$ n# E, G8 g

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earts
 楼主| 发表于 2016-4-6 13:02:56 | 显示全部楼层
新题- D5 h$ g4 o$ W/ @6 I2 t/ B
186. Retaining LDP session if one links fail out of two for two neighbors.1 t/ E- V; L1 m) h, O
A. MPLS LDP targeted-hello accept
. U' x4 k+ b$ r  P) ^B. MPLS LDP sync3 e, J/ `8 j3 G6 P/ [2 p
C. MPLS IP. [5 ~& w( L# o; A
D. MPLS LDP autoconfig
; i1 }; V9 e4 C8 ~+ ~- R6 ?! |. ?# G8 q. z6 c4 x& a( h4 S0 ?
what is the port number of L2TPv3 protocol to be allowed on the firewall.6 M+ `. y# B8 d2 q9 v
A .Per tcp host x.x.x.x any eq 1701: I  `% Z; n; _  \1 G; q+ s
B .Per udp host x.x.x.x any eq 17014 }' ?# z2 Q$ N
C .Per udp any host x.x.x.x eq 17017 ]6 F6 Q' u  |9 Q  m. u
D .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
3 P$ `2 j" k( {( k& T* Y1 K
老题
$ r+ f3 u  b& f) n$ i! Z/ r- L这条选三个，注释的答案没了
. z, x) ]3 }/ w3 H6 RWhich are the four key design requirements for mobile IP backhaul?" Q; L) `( u  ?
(Choose four)
- F* h; P% v, B. z2 ZA. network timing distribution and recovery" w" O# n( h. i" c# Z* p+ [$ w# ~
B. MPLS-enabled interface' B/ `% h6 [, E! p) }5 R5 ]+ Z
####C. Layer 2 Tunneling
% ^, i3 P# h! _, s5 i. yD. X2 interface turning point % R) A. `, U; ~% d. q
#####E.  DiffServ QoS! [- e3 \! f0 u# J. l: C, _  ]
F. bandwidth. x  O% V2 T6 T  w
G. native IPv6 support
' a1 a* e! o2 _7 P2 E6 B  n. y' R4 hH. mandatory Layer 3 access up to a cell site1 S: f/ Q; l- u4 p6 g1 h) T$ b
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
7 }' |7 m0 v, y+ H7 z) P这条选三个，注释的答案没了
1 j/ z/ ]) @% X9 }Which are the four key design requirements for mobile IP backhaul?# Y8 E( t, O: }2 Y
(Choose four)
" u, @7 \7 e+ o9 ZA. network timing distribution and recovery
; V' \. z" |$ d; sB. MPLS-enabled interface
( W: M% m. P# O4 y% e; @1 ~####C. Layer 2 Tunneling9 n" I7 B4 I7 w/ j
D. X2 interface turning point
  q$ w8 j5 g, H, S#####E.  DiffServ QoS+ k) l% G2 y( K5 k" R$ q) n
F. bandwidth: E( C$ H9 C( J9 y
G. native IPv6 support1 B8 w  \$ c  ~7 {
H. 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: 947 l1 r' Z- U  m6 W  k
Two Tier 2 Service Providers are using a Tier 1 Service Provider for transport. MPLS is required( w' ?, O% a& o/ K) p
between the Tier 2 Service Providers for label switching. In this CSC solution, which label stack
! M  Z' Z. y5 n9 p' M" b( ~is correct?+ C% z8 b8 e1 }
A. original IP packet, MPLS CSC transport label, MPLS VPN label, and MPLS Tier 2 transport label6 A. ~$ f$ {) p5 W" z8 L) N* v
B. original IP packet, MPLS Tier 2 transport label, MPLS VPN label, and MPLS CSC transport label/ ~. E  N% |& y- g& W9 O
C. original IP packet, MPLS VPN label, MPLS Tier 2 transport label, and MPLS CSC transport label0 T5 K/ e- v; A$ D1 E4 E9 p8 p
D. original IP packet, MPLS Tier 2 transport label, MPLS CSC transport label, and MPLS VPN label2 _! D9 `# A( f2 n, D
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
7 \( s) L8 U) b9 L" jSSO was configured on a Cisco ASR 1006 Router by using two RPs. When the main RP failed, a
0 h" }0 W. B$ D& F. z4 T" dservice disruption occurred. What are two reasons that the SSO did not work? (Choose two.)
, R( a  }' [* e5 n# P4 N) c  lA. The standby RP has a different DRAM configuration than the primary RP. B." ?. J9 `) y: E% x4 s; |2 H
HSRP and NSF are not configured.& z) q8 m& B" [& Z* G; ^& Y2 e# C. I
C. The ESP that is installed in the Cisco ASR 1006 Router does not support SSO./ q, f' Z: {( [( J( O: }  U6 ^
D. The standby RP was not ready to switch over when the primary RP failed.
/ h* Q) E% ~% KE. 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:+ e4 D3 ?" z5 W9 X
policy-map COS-OUT
( ]2 J8 k2 z. Z7 l# L) {; cclass DATA
8 \+ Q  d! r: U$ Hrandom-detect dscp-based
$ t/ @; B8 N2 ~! I) z7 r/ W9 ^random-detect exponential-weighting-constant 9
3 x( S- t2 d7 ^# |2 hrandom-detect dscp 26 39 117 300 {) \& L, V7 F4 z+ ^$ L
random-detect dscp 28 19 35 20
0 R, g9 h$ x1 MWhat will the QoS result be for egress traffic with an average queue depth of 40 that is marked
7 u' H: D+ u8 v3 T; Gas DSCP AF32?! v* n2 B* m2 n/ ?, t) w
A. Traffic will be dropped with a random rate less than the one defined by MPD.$ n8 }# J7 V/ J& I7 d
B. All traffic will be tail dropped.
+ t5 Y% ]9 K  T8 jC. Traffic will be dropped with a rate of 1 packet out of 20.
1 u. g4 R' r" w9 L! v' e- T5 m4 \D. 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: 548 K- ^$ S+ F* _# b4 _3 B
An R1 router requires an equal load balancing to reach the prefix 192.168.0.0/16 over two exit
- y6 a! j1 Y+ F, i4 {6 opoints: through R2 and R3 routers. Which two options must be configured on the R1 router to
; @; m! V$ ~6 n! N9 D) b* Yachieve this goal? (Choose two.)
" k0 H! l* b3 {7 DA. The BGP maximum path feature must be configured on R1.% L4 x1 s9 i5 z" y
B. The BGP PIC core must be enabled on R1
& l7 ?* F  K6 H/ @9 NC. Weight, local-pref, MED, as-path length, origin, and the BGP next-hop IGP cost must be the: T; P5 T4 J! B
same for the R2 and R3 IBGP updates to R1.! X; N9 y$ k) Y; _6 X
D. The BGP Link Bandwidth feature must be applied on R1.
6 P$ L2 `. b" V7 J7 p; }+ _E. BGP extended community exchange must be enabled between IBGP neighbors.
! W$ g2 Z& \4 P1 B% yAnswer: 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/ i# o; N$ Q8 s/ o$ p$ u
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~

& w! [$ a' X9 d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 16:40
8 o. J+ P  _$ [, T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~

" i( X- X1 v% U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?
6 ~* ]: {  `6 f$ d+ T  aA. Traffic will be dropped with a random rate less than the one defined by MPD
' T5 Q5 c. H& ^' V6 dB. All traffic will be tail dropped.; ^. d0 c. W; g9 i$ Z% d
C. Traffic will be dropped with a rate of 1 packet out of 20.
  z, x/ b  O8 i, Y2 ]D. Traffic will be dropped with a rate of 1 packet out of 30.5 S5 [- [  ^: ~) G% T! l) O
! D! `2 R* c* W% I
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?2 x7 W9 b7 F+ F! U4 S0 T
A. Traffic will be dropped with a random rate less than the one defined by MPD$ v' d8 h+ T* v0 \+ L, j& D+ K
B. All traffic will be tail dropped." E# Y; w5 k& s, o
C. Traffic will be dropped with a rate of 1 packet out of 20.
) [2 a$ r$ _) sD. Traffic will be dropped with a rate of 1 packet out of 30.! y9 i$ k1 o9 E. ^  Q7 k

) ?& S6 W3 W, v8 }$ s, g; X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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