单项选择题
A.network 0.0.0.0 255.255.255.255 area 0 B.network 0.0.0.0 0.0.0.0 area 0 C.network 255.255.255.255 0.0.0.0 area 0 D.network all-interfaces area 0
A.192.168.1.1 B.172.16.1.1 C.1.1.1.1 D.2.2.2.2
A.the port-channel 1 interface B.the highest number member interface C.all member interfaces D.the lowest number member interface