1. [单选题]After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?
A. It will recall the previous command line
B. It will move the cursor one line up
C. It will redisplay the current command line
D. It will capitalize the command line
E. None of the above
2. [单选题]路由器的配置文件startup-config存放在()里
A. RAM
B. ROM
C. FLASH
D. NVRAM
3. [单选题]FTP工作在OSI哪一层()
A. 会话层(session layer)
B. 表示层
C. 传输层
D. 应用层
4. [单选题]某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是()
A. PC的IP地址设置错误
B. 路由器端口IP设置错误
C. 路由器端口处于关闭状态
D. telnet密码未设置
5. [多选题]属于私有IP段的是()
A. 10.0.0.0-10.255.255.255
B. 172.16.0.0-172.31.255.255
C. 202.110.100.0-202.110.100.255
D. 192.168.0.0-192.168.255.255
E. 126.0.0.0-126.255.255.255