300-115题目交流

lingwenkui

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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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" V' S- A1 E  _3 }/ V/ `QUESTION 335
A question about interface gi 0/1 being inerrdisable and how do you find the
reason for it being disabled
3 n# o9 N- Q6 L- y! I8 O& B8 `A. show interfaces g0/1 status
6 `% ^% }. Q# I% |4 Y5 VB. show run interface g0/1
; l+ T; l/ C" D' ~# N! R5 J& ~/ jC. show ip int brief
D. show log
  H1 }) D  t. T7 P. ZCorrect Answer: D
) J, B2 I5 M( ^9 X3 d/ UAnswer Should Be: AD
http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/69980-errdisable-recovery.html#anc12
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: j4 `$ q9 T* K& P  o- QQUESTION 333
9 ^! z, |* v. U2 K" v1 H# ~A question about EtherChannel compatibilitymodes. (Choose two.)
A. passive-passive
B. active-active
- b- ^0 L( u4 A3 S* SC. desirable-desirable
D. active-passive
E. active-desirable
8 [( w2 G+ _1 ?+ b9 qCorrect Answer: CD
2 }4 X: c5 c- e! b8 Z& F7 V' _8 pAnswer Should Be: BCD

QUESTION 271  --similar with 327
' V4 M) K5 k' @$ V: O+ Y* o7 eQuestion about voice VLAN.
& k: u( |  y. h6 h. K7 f$ i, CA. Disabled by default
& @) ^* A5 w6 I3 rB. Enters on untrusted port
C. Default CoS value of 5 for untagged.....
D. Needs manual enable of portfast.
Correct Answer: A
- E0 B. l/ z( U% }Answer Should Be: AC
. f; M( n6 K. ~+ U2 J8 Vthe phone sends voice traffic with Layer 3 IP precedence andLayer 2 class of service (CoS) values, which are both set to 5 by default.
The voice VLAN feature is disabled by default.
When the voice VLAN feature is enabled, all untagged trafficis sent according to the default CoS priority of the port.
The CoS value is not trusted for IEEE802.1p or IEEE 802.1Q tagged traffic.
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3560/software/release/12-2_52_se/configuration/guide/3560scg/swvoip.html#wp1033848
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lelen99

恋脚丝欲

感谢分享

恋脚丝欲

271 voice vlan 需要tag, 308 选B；300，AC；290 C没问题，257 storm control可以配成shutdown，姑且算一个，194选D，127 D，350 BD，336感觉是A，210 A

Sunshinegirl

suzhou1898

围观大神

790718cpc

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a576974374

hhhhhhhhhhhhhhhhhhhh

wrlina

luiszehang

thanks for sharing

forevercml

forevercml

tyu564213

感恩感恩!

木木想飞

谢谢楼主的分享

canfly17

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