飞猴 发表于 2003-10-26 05:55:31

[争论题]今天看到一题大家争论的题目，发上来～

Spanning-Tree was originally developed by DEC.What is the reason Spanning-Tree is used in a switched LAN?<br>A.To Provide a mechanism for network monitoring in switched environments.<br>B.To prevent routing loops in networks with redundant paths.<br>C.To prevent routing switching loops in networks with redundant switched paths.<br>D.To manage,the addition,deletion,and naming of VLANs across multiple switched.<br>E.To segment a network into multiple collision domains.<br>我是选C的～老大解释一下吧～<br><br>［此帖子已被 飞猴 在 2003-10-26 5:58:17 编辑过］

飞猴 发表于 2003-10-26 05:56:03

因为我认为STP是在第二层上的<br>

阿米巴原始虫 发表于 2003-10-26 08:54:26

you are rihgt!

chinamoon 发表于 2003-10-26 15:00:35

<BLOCKQUOTE><strong>引用</strong>：<HR Size=1>原文由 <b>飞猴</b> 发表:<br>Spanning-Tree was originally developed by DEC.What is the reason Spanning-Tree is used in a switched LAN?<br>A.To Provide a mechanism for network monitoring in switched environments.<br>B.To prevent routing loops in networks with redundant paths.<br>C.To prevent routing switching loops in networks with redundant switched paths.<br>D.To manage,the addition,deletion,and naming of VLANs across multiple switched.<br>E.To segment a network into multiple collision domains.<br>我是选C的～老大解释一下吧～<br><br>［此帖子已被 飞猴 在 2003-10-26 5:58:17 编辑过］<HR SIZE=1></BLOCKQUOTE><br><br>你的答案明显是正确的.这道题有争议?<br><br>A.To Provide a mechanism for network monitoring in switched environments.<br>为交换环境里的的网络监控提供一种机制?<br>这句话,说得太含糊了.这一般用端口镜像.<br>B.To prevent routing loops in networks with redundant paths.<br>路由循环? 大家还记得RIP吧,当时说有几种解决方案?<br>C.To prevent routing switching loops in networks with redundant switched paths.<br>正确.还记得那张图么? 不记得的话,请看这里.<A TARGET=_blank HREF="http://www.spoto.net/bbs/showtopic.asp?id=1075&forumid=1&page=58">http://www.spoto.net/bbs/showtopic.asp?id=1075&forumid=1&page=58</A><br><img border=0 src=http://www.spoto.net/bbs/images/upfile/200310222851.gif onload="javascript:if(this.width>screen.width-300)this.width=screen.width-300"><br>D.To manage,the addition,deletion,and naming of VLANs across multiple switched.<br>这个是VTP的事情吧.<br>E.To segment a network into multiple collision domains.<br>这个是网桥的功能,交换机每个端口扮演的角色
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