A.ipv6 address PREFIX_1::1/64
B.ipv6 autoconfig 2001:db8:2222:7272::72/64
C.ipv6 autoconfig
D.ipv6 address 2001:db8:2222:7272::72/64

A.A
B.B
C.C
D.D
E.E
F.F

A.4094
B.1024
C.8190
D.2046
E.4096

A.Broadcast frames are never sent to swiches.
B.Broadcast addresses use an incorrect format for the switching table.
C.A broadcast address will never be the source address of a frame.
D.Broadcasts only use network layer addressing.
E.A broadcast frame is never forwarded by aswitch.

A.#vtp domain unset
B.#delete vlan.dat
C.#no vtp domain
D.#vtp domain null

A.serial 1
B.serial 2
C.logic-channel 2
D.logic-channel 3

A.端口號小于此數(shù)字的服務(wù)
B.端口號大于此數(shù)字的服務(wù)
C.端口號等于此數(shù)字的服務(wù)
D.端口號不等于此數(shù)字的服務(wù)

A.鏈路空閑時(shí)間
B.忙端口的空閑時(shí)間
C.鏈路斷開時(shí)間
D.端口數(shù)據(jù)可以發(fā)送等待時(shí)間

A.RSTP significantly reduces topology reconverging time after a link failure.
B.RSTP expends the STP port roles by adding the alternate and backup roles.
C.RSTP port atates are blocking，discarding，learing，orforwarding.
D.RSTP also uses the STP proprsal-agreement sequence.
E.RSTP use the same timer-baseed processas STP on point-to-pointlinks.
F.RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.

A.acl
B.dialer enable-circular
C.dialer-group
D.dialer-rule