下列是一台第三层交换机的部分路由表信息,表中的路由信息完全正确的是( )。

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问题 下列是一台第三层交换机的部分路由表信息,表中的路由信息完全正确的是(    )。

选项 A、C 222.29.155.0/24 is directly connected,FastEthemet2/10
O  E1 222.29.87.0/24[110/21]via 162.105.254.24,2d16h,Vlan2
202.38.97.0/30 is subnetted.1 subnets
C  202.38.97.196 is directly connected.POS3/0
0 222.29.70.0/24 [110/2] via 162.105.254.5,2d16h,Vlan2
O  222.29.117.0/24 [110/2] via 162.105.254.15,2d16h,Vlan2
C  222.29.159.8/29 is directly connected.FastEthemet2/5
S  222.29.159.48/28 [1/0] via 222.29.159.10
B、C 222.29.155.0/24 is directly connected,Vlan455
O  E1 222.29.87.0/24 [120/21] via 162.105.254.24.2d16h.Vlan2
202.38.97.0/30 is subnetted.1 subnets
C 202.38.97.196 is directly connected.Vlan902
O 222.29.70.0/24 [120/2] via 162.105.254.5,2d16h,Vlan2
O 222.29.117.0/24 [120/2] via 162.105.254.15.2d16h.Vlan2
C  222.29.159.8/29 is directly connectetd.Vlan909
S 222.29.159.4b/28 [1/0] via 222.29.159.10
C、C 222.29.155.0/24 is directly connected,Vlan455
O E1 222.29.87.0/24 [110/21] via 162.105.254.24,2d16h,Vlan2
202.38.97.0/30 is subnetted.1 subnets
C 202.38.97.196 is directly connected.Vlan902
O 222.29.70.0/24 [110/2] via 162.105.254.5,2d16h,Vlan2
O 222.29.1 17.0/24 [110/2] via 162.105.254.15,2d16h,Vlan2
C  222.29.1 59.8/29 is directly connected.Vlan909
S  222.29.159.48/28 [1/0] via Vlan908
D、C 222.29.155.0/24 is directly connected,Vlan455
O E1 222.29.87.0/24 [110/21] via 162.105.254.24,2d16h.Vlan2
202.38.97.0/30 is subnetted.1 subnets
C  202.38.97.196 is directly connected.Vlan902
O 222.29.70.0/24 [110/2] via 162.105.254.5,2d16h,Vlan2
O 222.29.117.0/24 [110/2] via 162.105.254.15.2d16h,Vlan2
C  222.29.159.8/29 is directly connected.Vlan909
S 222.29.159.48/28 [1/0]via 222.29.159.10

答案D

解析 A选项中“C 222.29.159.8/29 isdirectly connected,FastEthernet2/5”处“FastEthernet2/5”错误,该位置应该填入:具体的虚拟局域网号。B选项“O E1 222.29.87.0/24[120/21]via 162.105.254.24,2d16h,Vlan2”处“[120/21]”错误,这里面O代表的是OSPF协议,其管理距离应该是l10。C选项中“S222.29.159.48/28[1/0]via Vlan908”处“via Vlan908”错误,Via后面应该是一个具体的IP地址。故选择D选项。
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