单项选择题

以下关于计算机网络拓扑的讨论中,哪一个观点是错误的

A.计算机网络拓扑通过网中结点与通信线路之间的几何关系表示网络结构
B.计算机网络拓扑反映出网络中各实体间的结构关系
C.拓扑设计是建设计算机网络的第一步,也是实现各种网络协议的基础
D.计算机网络拓扑反映出网络中客户/服务器的结构关系
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单项选择题

下列是一台Cisco路由器的部分路由表,表中的路由信息完全正确的是______。

A.Gateway of last resort is 202.112.41.217 to network 0.0.0.0C 212.112.7.0/24 is directly connected,VLAN120212.112.37.0/30 is subnetted,1subnetsC 212.112.37.16 is directly connected,VLAN130167.105.0.0/26 is subnetted,2subnetsS 167.105.125.128 [1/0] via 202.112.7.1S 167.105.144.192 [1/0] via 202.112.7.1S * 0.0.0.0/0 [1/0] via 202.112.41.217
B.Gateway of last resort is 202.112.41.217 to network 0.0.0.0C 212.112.7.0/24 is directly connected,FastEthernet 2/5212.112.37.0/30 is subnetted,1 subnetsC 212.112.37.16 is directly connected,POS3/0167.105.0.0/26 is subnetted,2subnetsS 167.105.125.128 [1/0] via2 02.112.7.1S 167.105.144.192 [1/0] via 202.112.7.1S * 0.0.0.0/0 [1/0] via 202.112.7.1
C.Gateway of last resort is 202.112.41.217 to network 0.0.0.0C 212.112.7.0/24 is directly connected,FastEthernet 2/5212.112.37.0/30 is subnetted,1 subnetsC 212.112.37.16 is directly connected,POS3/0167.105.0.0/26 is subnetted,2 subnetsS 167.105.125.128 [1/0] via 202.112.7.1S 167.105.144.192 [1/0] via 202.112.7.1S * 0.0.0.0/0 [1/0] via 202.112.41.217
D.Gateway of last resort is 202.112.41.217 to net work 0.0.0.0C 212.112.7.0/24 is directly connected,FastEthernet2/5212.112.37.0/30 is subnetted,1 subnetsC 212.112.37.16 is directly connected,POS3/0167.105.0.0/26 is subnetted,2 subnetsS 167.105.125.128 [20/0] via 202.112.7.1S 167.105.144.192 [20/0] via 202.112.7.1S * 0.0.0.0/0 [20/0] via 202.112.41.217
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