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本帖最后由 lingwenkui 于 2017-6-22 17:26 编辑 ; E L% y5 f& V
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题库一些题目，自己查文档验证，存在错漏请大神轻点拍砖
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QUESTION 335- D! ]- b# y& d1 p! a& r Z. l
A question about interface gi 0/1 being inerrdisable and how do you find the
; d& S9 d& v9 ^1 M9 rreason for it being disabled1 _( m ~8 A" ~ c
A. show interfaces g0/1 status$ [1 P! W- F/ t% p3 { V
B. show run interface g0/1+ D; ~ G9 j# w2 Y, ? Q
C. show ip int brief+ v0 f- n+ Y7 d; m$ P# X
D. show log; V1 V5 z; I( f; n
Correct Answer: D3 X9 H j: y6 k M+ U; P2 Y
Answer Should Be: AD% X+ w- g6 u; p% Y/ M8 ~5 m" v
http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/69980-errdisable-recovery.html#anc12
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QUESTION 333* @5 @8 }, L. D* A% K
A question about EtherChannel compatibilitymodes. (Choose two.)1 K' R4 Z3 ?$ N6 d6 f: \
A. passive-passive
$ y& q. ~: H9 J8 G; f2 N; m1 ]8 DB. active-active
+ Y2 w; ~3 g3 {9 x+ JC. desirable-desirable
) Z) {9 t8 K6 P# J. d( l* Y( QD. active-passive
: u) u) s7 t+ n- aE. active-desirable
3 `$ b# Y" v- _) i$ X0 _. SCorrect Answer: CD
; Z; j! u8 Y5 E; @3 _+ w7 O( p. CAnswer Should Be: BCD: y8 X; g) v$ m
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QUESTION 271 --similar with 327" S$ `. n% b; ~5 }4 M7 I) S
Question about voice VLAN.
/ A. y9 t c( r* _A. Disabled by default5 l k! n# n/ J9 i
B. Enters on untrusted port
% ?* G }5 K$ u; X; n4 ZC. Default CoS value of 5 for untagged.....9 Z# g' R. n- t: d
D. Needs manual enable of portfast.; O$ v1 B" Z* N1 u: q' |
Correct Answer: A( G K) A) u* U0 S, I
Answer Should Be: AC. H7 e- p* r/ J0 {$ I8 m; o) W
the phone sends voice traffic with Layer 3 IP precedence andLayer 2 class of service (CoS) values, which are both set to 5 by default.
7 @/ I+ k) h2 P/ G$ s0 cThe voice VLAN feature is disabled by default.8 X( {' U2 T, L
When the voice VLAN feature is enabled, all untagged trafficis sent according to the default CoS priority of the port.
. H$ H* p1 X' w# h. V# nThe CoS value is not trusted for IEEE802.1p or IEEE 802.1Q tagged traffic.
, T, h& r, |; ~4 t( rhttp://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/12-2_52_se/configuration/guide/3560scg/swvoip.html#wp1033848$ e" M3 y0 Y6 I0 L5 [
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发表于 2017-6-22 17:21:58
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