赞题库-背景图

单项选择题

下列关于配置OSPF的描述中，错误的是______。

A．OSPF区域的数字标识称为区域ID
B．骨干区域的ID为0
C．区域ID为0的另一种表示形式是0.0.0.0
D．区域ID的取值范围是0-200

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热门试题

单项选择题在Cisco路由器上主要用来永久保存路由器的开机诊断程序和引导程序的存储器是______。

A．Flash
B．NVRAM
C．RAM
D．ROM

单项选择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______。

A．O 162.105.153.0/24 [110/2] via 162.105.254.8, 00:23:00, Vlan2O E1162.105.144.0/25 [110/30] via 162.105.253.249, 00:23:00,Vlan253C162.105.157.0/24 is directly connected, via 162.105.157.1C162.105.156.0/24 is directly connected, via 162.105.156.1S162.105.239.0/25 [1/0] via 202.112.41.6S 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, Vlan2O E1162.105.144.0/25 [120/30] via 162.105.253.249, 00:23:00,Vlan253C162.105.157.0/24 is directly connected, Vlan157C162.105.156.0/24 is directly connected, Vlan30S162.105.239.0/25 [1/0] via 202.112.41.6S 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, Vlan2O E1162.105.144.0/25 [110/30] via 162.105.253.249, 00:23:00,Vlan253C162.105.157.0/24 is directly connected, Vlan157C162.105.156.0/24 is directly connected, Vlan30S162.105.239.0/25 [1/0] via 202.112.41.6S 162.105.125.128/26 [1/0] via 202.112.7.0
D．O 162.105.153.0/24 [110/2] via 162.105.254.8, 00:23:00, Vlan2O E1162.105.144.0/25 [110/30] via 162.105.253.249, 00:23:00,Vlan253C162.105.157.0/24 is directly connected, Vlan157C162.105.156.0/24 is directly connected, Vlan30S162.105.239.0/25 [1/0] via 202.112.41.6S 162.105.125.128/26 [1/0] via 202.112.7.1