下列是一台第三层交换机的部分路由表,其中管理距离为缺省值,正确的路由信息是

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问题 下列是一台第三层交换机的部分路由表,其中管理距离为缺省值,正确的路由信息是

选项 A、O    162.105.153.0/24[110/2] vial 62.105.254.8,00:23:00,Vlan 2
    O E1    162.105.144.0/25[110/30] vial 62.105.253.249,00:23:00,Vlan 253
    C    162.105.157.0/24 is directly connected.vial62.105.157.1
    C    162.105.156.0/24 is directly connected.vial62.105.156.1
    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[120/2]via 162.105.254.8,00:23:00’V|an 2
    0 El    162.105.144.0/25[120/30] via 162.105.253.249,00:23:00,Vlan 253
    C    162.105.157.0/24 is directly connected.Vlan 157
    C    1 62.105.1 56.0/24 is directly connected.Vlan 30
    S    162.105.239.0/25[1/0] via 202.112.41.6
    S    162.105.125.128/26 [1/0] via 202.1 12.7.1
C、O    162.105.153.0/24[110/2] via 162.105.254.8,00:23:00,Vlan 2
    O E1    162.105.144.0/25[110/30] via 162.105.253.249,00:23:00,Vlan 253
    C    162.105.157.0/24 is directly connected,Vlan 157
    C    162.105.156.0/24 is directly connected.Vlan 30
    S    162.105.239.0/25[1/0] via 202.112.41.6
    S    162.105.125.128/26 [1/0] via 202.1 12.7.0
D、O    162.105.153.0/24[110/2] via 162.105.254.8,00:23:00,Vlan 2
    O E1    162.105.144.0/25[110/30] via 162.105.253.249,00:23:00,Vlan 253
    C    162.105.157.0/24 is directly connected.Vlall 157
    C    162.105.156.0/24 is directly connected.Vlan 30
    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C

解析 在DHCP地址池中排除不能分配的客户端的IP地址的命令是ip dhcpe xcluded.address IP地址段。所以由题目的信息可知,IP地址219.105.46.240到219.105.46.250之间的地址不能分配给客户端。而选项C的地址包括在这一段中,因而应选C。
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