|
本帖最后由 lingwenkui 于 2017-6-22 17:26 编辑 O$ h" E4 X( H2 N3 u, o
1 w& s9 g; x& h I7 ?9 d# j题库一些题目,自己查文档验证,存在错漏请大神轻点拍砖
. G' e. G5 Q C4 ~
8 k# y, O- l' dQUESTION 335) S( a# R% T3 d6 R1 ^$ j
A question about interface gi 0/1 being inerrdisable and how do you find the, g& ^0 n& p7 Y: M
reason for it being disabled4 V' I) j9 B; x1 X0 O6 q- |
A. show interfaces g0/1 status
- \( F) b& e$ r7 O! D3 n# kB. show run interface g0/1; y# Z% O& b% u% p& d3 d+ a
C. show ip int brief
7 |" v0 y5 _* ^D. show log
! |- k1 v! t+ ~+ Z) |Correct Answer: D
0 |8 W$ W4 i0 ~+ e' X+ NAnswer Should Be: AD
! ~" P* ^) [8 N0 a: }4 F9 mhttp://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/69980-errdisable-recovery.html#anc12
0 K" d' V1 I! |, r% V
- a0 H) j9 Z* c4 {* I6 ^; N1 \3 ^QUESTION 3333 b5 O1 _ K6 E1 ] k# u& |
A question about EtherChannel compatibilitymodes. (Choose two.)
: `- O. c/ z" T iA. passive-passive, C" q4 v: [: h: i! f
B. active-active
& F. ~; I) P" D! d0 U( l$ qC. desirable-desirable# e! K; j0 ~) N4 z( s* l# n% F6 A, j
D. active-passive
- h7 v" A0 m$ X. w7 B, pE. active-desirable! x; L- J# `) W$ H8 c# H
Correct Answer: CD% e2 @& Q9 {. [- x% ~# c" `
Answer Should Be: BCD4 d& p2 l' S( ? v& H
5 E+ I& z2 F1 _" L; n; n5 OQUESTION 271 --similar with 327
7 T2 }# k& q7 D/ t( ZQuestion about voice VLAN.
0 t8 x9 ?. H2 uA. Disabled by default
, e. h" `$ {" y) V4 OB. Enters on untrusted port* j% j1 F* E# s2 o; P
C. Default CoS value of 5 for untagged.....
' ^1 |, M. D" i- L# GD. Needs manual enable of portfast.3 |1 ^% U/ C3 S# Y
Correct Answer: A
7 E) u9 \% n6 A& Q+ |2 EAnswer Should Be: AC
" K7 B; n4 H/ Q* Othe phone sends voice traffic with Layer 3 IP precedence andLayer 2 class of service (CoS) values, which are both set to 5 by default.! X7 f0 ?- |! O9 N! b1 e
The voice VLAN feature is disabled by default. {3 ?/ a$ ]* l6 N# J
When the voice VLAN feature is enabled, all untagged trafficis sent according to the default CoS priority of the port.8 I4 ]5 |) z1 G( a& R7 }+ P+ G$ O" S
The CoS value is not trusted for IEEE802.1p or IEEE 802.1Q tagged traffic.7 X* W, t. F2 U. W( y7 n
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/12-2_52_se/configuration/guide/3560scg/swvoip.html#wp1033848; |' f. C6 ~/ J; F- z6 @
% Q, Q$ ~/ Z8 K: ~3 R
1 l n$ l7 J6 _* L0 t# K) b% @# K
|
-
290
|