【2011.4.20】CCNA题库V104.3第二次更新23道新题（4.23修订错误答案）

kenny_vic · 发表于 2011-5-5 13:23:25

还差补充的，加油大家

safeiluosi · 发表于 2011-5-5 13:37:02

收了

lbh1988 · 发表于 2011-5-5 13:56:21

洛洛荦荦 · 发表于 2011-5-5 14:44:35

呼呼，我又来了

kongjiming · 发表于 2011-5-5 14:49:04

感激不尽，多谢了~~~

王小沫_ · 发表于 2011-5-5 15:01:20

加油加油

demon888 · 发表于 2011-5-5 15:22:26

我了个去！

s3811357 · 发表于 2011-5-5 16:03:24

谢谢分享！

网络民工 · 发表于 2011-5-5 16:09:18

hor5651 · 发表于 2011-5-5 16:13:55

謝謝分享

haohao2638 · 发表于 2011-5-5 16:23:12

gogoplayer · 发表于 2011-5-5 16:26:10

看看

kongjiming · 发表于 2011-5-5 16:35:28

QUESTION 13
Which three statements accurately describe layer 2 Ethernet switches?(choose three)
A. Microsegmentation decreases the number of collisions on the network.
B. if a switch receives a frame for an unkown destination,it uses ARP to resolve the address.
C. Spanning Tree Protocol allows switches to automatically share vlan information.
D. In a properly functioning network with redundant switched paths,each swiched aegment will contain one
root bridge with all its ports in the forwarding state.All other switches in that broadcast domain will have
only one root port.
E. Establishing vlans increases the number of broadcast domains.
F. Switches that are configured with vlans make forwarding decisions based on both layer 2 and layer 3
address information.
Answer: ADF
这个答案是ADF还是ABE，谁能解释下啊，多谢

kongjiming · 发表于 2011-5-5 16:35:57

还有这道题，感觉应该选A，为什么是B呢
QUESTION 12
You are working in a data center environment and are assigned the address range 10.188.31.0/23.You are
asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30
hosts each.Which IP address range meets these requirements?
A. 10.188.31.0/27
B. 10.188.31.0/26
C. 10.188.31.0/29
D. 10.188.31.0/28
E. 10.188.31.0/25
Answer: B

fly03238 · 发表于 2011-5-5 17:09:08

thank you!!

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[考试战报] 【2011.4.20】CCNA题库V104.3第二次更新23道新题（4.23修订错误答案）

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