下列各项是一台Cisco三层交换机的部分路由表信息,其中路由信息完全正确的是( )。

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问题 下列各项是一台Cisco三层交换机的部分路由表信息,其中路由信息完全正确的是(          )。

选项 A、O 162.105.153.0/24[110/2]via 162.105.254.8,GigabitEthernet4/2
O 162.105.152.0/24[110/2]via 162.105.254.14,GigabitEthernet4/2
C 162.105.157.0/24 is directly connected,Vlan157
C 162.105.156.0/24 is directly connected,Vlan30
O E1 162.105.144.0/25[110/30]via 162.105.253.249,Vlan253
O 162.105.151.0/24[110/2]via 162.105.254.14,GigabitEthernet4/2
S 162.105.239.0/25[1/0]via 202.112.41.6
S 162.105.125.128/26[1/0]via 202.112.7.1
B、O 162.105.153.0/24[110/2]via 162.105.254.8,00:23:00,Vlan2
O 162.105.152.0/24[110/2]via 162.105.254.14,00:23:00,Vlan2
C 162.105.157.0/24 is directly connected,00:23:00,FastEthernet2/5
C 162.105.156.0/24 is directly connected,00:23:00,FastEthernet2/7
O E1 162.105.144.0/25 [110/30] via 162.105.253.249.00:23:00,Vlan253
O 162.105.151.0/24[110/2]via 162.105.254.14,00:23:00,Vlan2
S 162.105.239.0/25[1/0]via 202.1t2.41.6
S 162.105.125.128/26[1/0]via 202.112.7.1
C、O 162.105.153.0/24[110/2]via 162.105.254.8,00:23:00,Vlan2
O 162.105.152.0/24[110/2]via 162.105.254.14,00:23:00,Vlan2
C 162.105.157.0/24 is directly connected.Vlan157
C 162.105.156.0/24 is directly connected,Vlan30
O E1 162.105.144.0/25[110/30]via 162.105.253.249,00:23:00,Vlan253
O 162.105.151.0/24[110/2]via 162.105.254.14,00:23:00,Vlan2
S 162.105.239.0/25[1/0]via GigabitEthemet4/2
S 162.105.125.128/26[1/0]via FastEthernet2/5
D、O 162.105.153.0/24[110/2]via 162.105.254.8,00:23:00,Vlan2
O 162.105.152.0/24 [110/2] via 162.105.254.14,00:23:00,Vlan2
C 162.105.157.0/24 is directly connected,Vlan157
C 162.105.156.0/24 is directly connected,Vlan30
O E1 162.105.144.0/25[110/30]via 162.105.253.249,00:23:00,Vlan253
O 162.105.151.0/24[110/2]via 162.105.254.14,00:23:00,Vlan2
S 162.105.239.0/25[1/0]via 202.112.41.6
S 162.105.125.128/26[1/0]via 202.112.7.1

答案D

解析 A选项中“162.105.151.0/24[110/2]via 162.105.254.14,GigabitEthernet4/2”中“GigahitEthemet4/2”错误,该位置应填入虚拟局域网号。B选项中“C 162.105.157.0/24 is directly connected,00:23:00,FastEthemet2/5、C 162.105.156.0/24 is directly connected,00:23:00.FastEthemet2/7”中“FastEthemet2/5”和“FastEthemet2/7”处错误,该位置应填入虚拟局域网号。C选项中“S 162.105.239.0/25 [1/0]via GigabitEthemet4/2、S 162.105.125.128/26 [1/0]via FastEthernet2/5”via关键字后面填具体的IP地址,而不是端口名称。因此,本题答案选择D选项。
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