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单选题

如果用户想查看系统中是否安装了某个软件,则输入的命令是( )。

A
rpm –aq
B
rpm –ed
C
rpm –ui
D
rpm -qi

题目答案

A

答案解析

暂无解析
举一反三
单选题

You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into router VE1 locally using a terminal emulation program such as HyperTerminal.

A
Connect the PC's COM port to the router's console port using a straight-through cable.
B
Connect the PC's COM port to the router's console port using a rollover cable.
C
Connect the PC's COM port to the router's Ethernet port using a straight-through cable.
D
Connect the PC's Ethernet port to the router's Ethernet port using a rollover cable.
E
Connect the PC's Ethernet port to the router's Ethernet port using a straight- through cable.
F
None of the above

题目答案

B

答案解析

解析:EXPLANATION:TO CONNECT THE ROUTER IN CONSOLE PORT TO CONFIGURE USING HYPERTERMINAL, YOU REQUIRED THE ROLLOVER CABLE, WHICH CONNECTS THE PC'S COM PORT TO THE ROUTER'S CONSOLE PORT.INCORRECT ANSWERS:A, C, E: STRAIGHT CABLES ARE USED FOR: HOST TO SWI
单选题

在路由器上,命令show access-list的功能是()

A
显示访问控制列表内容
B
显示路由表内容
C
显示端口配置信息
D
显示活动配置文件

题目答案

A

答案解析

暂无解析