A.映射本地IP到对端端口值，以便路由器发送数据时确认发送端口
B.映射本地IP到本地端口值，以便路由器发送数据时确认发送端口
C.映射对端IP到本地端口值，以便X.25交换网络查找数据发送路径
D.映射对端IP到对端端口值，以便X.25交换网络查找数据发送路径

A.150.150.0.0
B.150.150.0.8
C.150.150.8.0
D.150.150.16.0

A.Network A - 172.16.3.48/26
B.Network A - 172.16.3.128/25
C.Network A - 172.16.3.192/26
D.Link A - 172.16.3.0/30
E.Link A - 172.16.3.40/30
F.Link A - 172.16.3.112/30

A.Core2(config)# interface f0/0  Core2(config-if)# ip address 192.168.1.10 255.255.255.248
B.Core2(config)# interface vlan 1 Core2(config-if)# ip address 192.168.1.11 255.255.255.248
C.Core2(config)# line con 0 Core2(config-line)# password cisco
D.Core2(config)# line vty 0 4 Core2(config-line)# password cisco
E.Core2(config)# ip default-gateway 192.168.1.9
F.Core2(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.8

A.a primary route，stored in the routing table
B.a backup route，stored in the routingt able
C.a backup route，stored in the topology table
D.A primary route，stored in the topology table

A.子网掩码
B.源网络地址
C.目的网络地址
D.下一跳地址

A.应用层
B.表示层
C.会话层
D.传输层
E.网络层
F.链路层
G.物理层

A.the session layer
B.the protocol layer
C.the data link layer
D.the access layer
E.the network layer
F.the application layer

A.It supports VLSM.
B.It is used to route between autonomous systems.
C.It confines network instability to one area of the network.
D.It increases routing overhead on the network.
E.It allows extensive control of routing updates.
F.It is simpler to configure than RIP v2.