1. [单选题]命令“ping127.0.0.1”的功能是()
A. 测试网卡是否正常
B. 测试网关是否正常
C. 测试TCP/IP协议是否正常
D. 测试介质是否正常
2. [单选题]对于使用链路状态路由协议的路由器如何选择最佳路线到达子网,下列哪项是正确的()
A. 路由器会发现链路状态数据库中的最佳路由
B. 通过针对链路状态数据库中的信息运行SPF算法,路由器会计算出最佳路由
C. 路由器将比较每个邻居接收到的更新中为子网列出的标准,并挑选最佳标准路由
D. 路由器会使用具有最低条数的路径
3. [单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?
A. A configured router prompts for a password
B. A configured router goes to the privileged mode prompt
C. An un configured router goes into the setup dialog
D. An un configured router goes to the enable mode prompt
4. [单选题]Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?
A. To boot the IOS from ROM
B. To reset the console password
C. To upload a new version of the configuration file
D. To upload a new version of the IOS
E. To allow a new memory upgrade to be recognized by the router
5. [单选题]要把交换机的配置文件保存到tftp服务器,应使用的命令为()
A. copy ios tftp
B. copy running-configt ftp
C. copy flash tftp
D. copy config tftp