新版CCNA 640-802例题分析
将陆续整理近期部分老师对新版CCNA 802题库：TESTINSIDE 640-802 V12的试题分析，关注新版考试的同学可以关注一下，有更新就推出来，可以加为收藏，最后更新为2007年11日。最后感谢网上热心的朋友和IT猫扑站点提供信息来源和资源共享，祝大家在新版CCNA考试中顺利通过。
新版CCNA 802 TESTINSIDE v12题库分析：http://www.77cn.com.cn/52network/dispbbs.asp?boardid=122&ID=126801．What are two reasons that a network administrator would use access lists? (Choose two.) A. to control vty access into a router B. to control broadcast traffic through a router C. to filter traffic as it passes through a router D. to filter traffic that originates from the router
E. to replace passwords as a line of defense against security incursions Answer: AC
解释一下：在VTY线路下应用ACL，可以控制从VTY线路进来的telnet的流量。 也可以过滤穿越一台路由器的流量。
2．A default Frame Relay WAN is classified as what type of physical network? A. point-to-point B. broadcast multi-access C. nonbroadcast multi-access D. nonbroadcast multipoint E. broadcast point-to-multipoint Answer: C
解释一下：在默认的情况下，帧中继为非广播多路访问链路。但是也可以通过子接口来修改他的网络的类型。
3．Refer to the exhibit. How many broadcast domains exist in the exhibited topology?