A.主机地址
B.网络地址
C.所有主机
D.所有网络

A.127.0.0.1
B.172.16.0.1
C.192.168.0.5
D.223.0.0.1
E.224.0.0.5
F.254.255.255.255

A.config myrouter
B.display myroter
C.sysname myrouter

A.There are two broadcast domains in the network.
B.There are four broadcast domains in the network.
C.There are six broadcast domains in the network.
D.There are four collision domains in the network.
E.There are five collision domains in the network.
F.There are seven collision domains in the network.

A.IP地址
B.主机地址
C.网络地址
D.通配符

A.provides common view of entire topology
B.exchanges routing tables with neighbors
C.calculates shortest path
D.utilizes event-triggered updates
E.utilizes frequent periodic updates

A.8
B.12
C.20
D.24

A.SW1#show swithport port-security interface FastEthernet 0/12
B.SW1#show swithport port-secure interface FastEthernet 0/12
C.SW1#show port-secure interface FastEthernet 0/12
D.SW1#show running-config

A.dialer
B.语音接口
C.serial口
D.子接口
E.CE1/PRI接口
F.虚拟接口模板
G.ISDNBRI接口
H.备份中心逻辑通道

A.Switches are primarily software based while bridges are hardware based.
B.Both bridges and switches forward Layer 2 broadcasts.
C.Bridges are frequently faster than switches.
D.Switches have a higher number of ports than most bridges.
E.Bridges define broadcast domains while switches define collision domains.
F.Both bridges and switches make forwarding decisions based on Layer 2 addresses.