TK?的一题怎么理解？？？？
<P> <IMG src="http://www.spoto.net/bbs/images/Emotions/1.gif">QUESTION NO: 10<BR>While troubleshooting network connectivity problems, the following two show<BR>commands were issued as shown below:<BR>Test_King#show ip protocol<BR>Routing Protocol is "rip"<BR>Sending updates every 30 seconds, next due in 4 seconds<BR>Invalid after 180 seconds, hold down 180, flushed after 240<BR>Outgoing update filter list for all interfaces is not set<BR>Incoming update filter list for all interfaces is not set<BR>640 - 801<BR>Leading the way in IT testing and certification tools, <A href="http://www.testking.com/">www.testking.com</A><BR>- 280 -<BR>Redistribution rip<BR>Default version control: send version 1, receive any version<BR>Interface Send Recv Triggered RIP Key-chain<BR>Serial0/0 1 1 2<BR>Serial0/1 1 1 2<BR>Automatic network summarization is in effect<BR>Maximum path: 4<BR>Routing for Networks:<BR>10.0.0.0<BR>Routing Information Sources:<BR><FONT color=#f70968>Gateway Distance Last Update<BR>10.168.11.14 </FONT>120 00:00:22<BR>Distance: (default is 120)<BR>Testking#show ip interfaces brief<BR>Interface IP-Address OK? Method Status<BR>FastEthernet0/0 192.168.18.1 YES manual up<BR><FONT color=#ff0066>Serial0/0 10.168.11.15</FONT> YES manual up<BR>FastEthernet0/1 unassigned YES NVRAM<BR>administratively down<BR>Serial0/1 192.168.11.21 YES manual up<BR>Based on the output of the above exhibit, which two of the following statements are<BR>correct? (Select two answer choices)<BR>A. Router Testking will get routing updates on the Serial0/1 interface.<BR>B. Router Testking will issue routing updates out the Serial0/0 interface.<BR>C. Router Testking makes use of a link-state routing protocol.<BR>D. Router Testking will get routing updates on the Serial0/0 interface.<BR>E. Router Testking will issue routing updates out the FastEthernet0/0 interface.<BR>Answer: B, D</P><P>这道题主要是考察网关的理解。路由器的路由信息的发送，接收和拒绝都是通过它的网关。<P>B,D都是讲通过S0/0这个口发送和接收路由更新！通过同网段IP地址找出跟网关相连的接口。</P><p>［此帖子已被 andersen 在 2005-8-16 19:50:26 编辑过］ <P><FONT style="BACKGROUND-COLOR: #fdfdf8">向这种题重在理解，它没有考察明显的知识点，却是对一些基本的网络概念的理解，要重视这种题的积累，以后故障排除更多就是在这种点的理解之上进行。</FONT></P>
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