A.Serial0/1 is up, line protocol is down
B.Serial0/1 is down, line protocol is down
C.Serial0/1 is up, line protocol is up
D.Serial0/1 is administratively down, line protocol is down

A.基于AAA授權(quán)
B.本地AAA認證
C.基于服務器的AAA認證
D.AAA記賬

A.Addresses are not hierarchical and are assigned at random.
B.Only one IPv6 address can exist on a given interface.
C.There are 2.7 billion addresses available.
D.Broadcasts have been eliminated and replaced with multicasts.

A.RIPng allows for routes with up to 30 hops.
B.RIPng is enabled on each interface separately.
C.RIPng uses broadcasts to exchange routes.
D.There can be only one RIPng process per router.

A.包模式
B.交換模式
C.字符模式
D.密文模式