这道题不理解啊，求高手~

protocol0829

QUESTION 23
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

咳咳，这第二次更新题库里的问题。帮忙看下，为什么e不对啊囧……

yishuizhao

题目问的是二层数据交换的，E本身没错，但是和题目关系不大！

protocol0829

yishuizhao 发表于 2011-5-23 17:15

                               
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题目问的是二层数据交换的，E本身没错，但是和题目关系不大！

汗啊，这题出的老高端了，正确的选项都不行了，还要切题，唉~~谢了哥们儿~

明王

这道题前面问过的人有很多了，大家的意见基本上一致就是这个和题目本身关系不大，呵呵