A.不兼容TACACS和XTACACS
B.認(rèn)證和授權(quán)分離
C.加密所有通信
D.使用TCP端口49

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(rèn)證
C.基于服務(wù)器的AAA認(rèn)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

A.tunneling
B.hashing
C.routing
D.NAT

A.認(rèn)證
B.控制中心
C.授權(quán)
D.記賬和審計

A.when they receive a special token
B.when there is a carrier
C.when they detect no other devices are sending
D.when the medium is idle
E.when the server grants access

A.思科一步鎖閉
B.安全審計向?qū)?br /> C.思科自動安全
D.一鍵關(guān)閉