相关考题
-
单项选择题
路由器查看端口状态，下面（）表示端口处于关闭状态（以S0/3/0口为例）。
A.S0/3/0 is down，line protocol is down
B.S0/3/0 is up，line protocol is down
C.S0/3/0 is up，line protocol is up
D.S0/3/0 is administratively down，line protocol is down -
单项选择题
路由器查看端口状态，下面（）表示物理线路有问题（以S0/3/0口为例）。
A.S0/3/0 is down，line protocol is down
B.S0/3/0 is up，line protocol is down
C.S0/3/0 is up，line protocol is up
D.S0/3/0 is administratively down，line protocol is down -
单项选择题
路由器查看端口状态，下面（）表示物理和数据层都没有问题（以S0/3/0口为例）。
A.S0/3/0 is down，line protocol is down
B.S0/3/0 is up，line protocol is down
C.S0/3/0 is up，line protoco li sup
D.S0/3/0 is administratively down，line protocol is down
