A.127.0.0.0
B.127.0.0.1
C.224.0.0.9
D.126.0.0.1
E.127.0.0.121

A.IP
B.X.25
C.Ethernet
D.Frame-relay

A.192.168.20.29
B.192.168.20.16
C.192.168.20.17
D.192.168.20.31
E.192.168.20.0

A.TE1和NT2
B.TE2和TA
C.NT1和ISDN网络
D.NT1和NT2

A.255.255.255.0
B.255.255.255.128
C.255.255.252.0
D.255.255.255.224
E.255.255.255.192
F.255.255.248.0

A.rip
B.ospf
C.igrp
D.bgp
E.eigrp

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