A.距离向量路由协议
B.链路状态路由协议
C.内部网关协议
D.外部网关协议

A.由32位2进制数组成
B.由48位2进制数组成
C.前6位16进制由IEEE分配的厂家标识
D.后6位16进制由IEEE分配

A.20
B.21
C.23
D.110

A.RIPV1/V2
B.IGRP和EIGRP
C.OSPF
D.IS-IS

A.access-list  11 deny  tcp 192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any any
B.access-list  111 deny  tcp any  192.168.1.0   eq telnet/access-list 111 permit ip any any
C.access-list  111 deny udp 192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any any
D.access-list  111 deny  tcp any  192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any any

A.30
B.20
C.15
D.25

A.第一层
B.第二层
C.第三层
D.第三层以上

A.no auto-summary
B.auto-summary
C.no ip router
D.ip router

A.90
B.100
C.110
D.120

A.255.255.0.0
B.255.255.255.0
C.0.0.255.255
D.0.255.255.255

A.pemit  access-list 101 out
B.ip access-group 101 out
C.access-list 101 out
D.apply  access-list 101 out