“这段补充得好”，“好”的原因是（)。A．破碎的语言不能形成完整的思想B．强调了语言规范而健康的重要意

A.两个cells的overlap的区域描述了一个basic service set

B.网络描述了一个extended service set

C.再每个CELL中的AP必须被配置成使用channel 1

D.为了确保连通性，重叠区域必须小于10%

E.两个访问点应该被配置成工作在不同的频道

A.RIPV1 and OSPF are classless routing protocols.

B.Classful routing protocols send the subnet mask in routing updates.

C.Automatic summarization at classful boundaries can cause problems on disc……

D.EIGRP and OSPF are classful routing protocols and summarize routes by def……

A.1

B.2

C.3

D.4

E.5

F.6

A.Enable VTP pruning

B.From privileged mode，erase the startup configuration file，then reload.

C.From privileged mode，erase the vlandate file，then reload.

D.Cycle the switch power.

A.点到点

B.广播多路访问

C.非广播多路访问

D.非广播多点

E.广播点到多点

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.

d mode command，followed by a reload of the swith，will reset the VTP management domain name of the switch to a NULL value？（）

A.#vtp domain unset

B.#delete vlan.dat

C.#no vtp domain

D.#vtp domain null

根据以下的配置，请判断当主接口serial0出故障后，哪一个备份接口最先被启用？（）[Quidway-Serial0]standby interface serial 1 30[Quidway-Serial0]standby interface serial 2 40[Quidway-Serial0]standby logic-channel 3 50[Quidway-Serial0]standby logic-channel 2 35

A.serial 1

B.serial 2

C.logic-channel 2

D.logic-channel 3