A.255.255.224.0
B.255.255.255.224
C.255.255.255.240
D.没有合适的子网掩码
A.255.255.255.224
B.55.255.255.192
C.255.255.255.252
D.没有合适的子网掩码
A.255.255.248.0
B.255.255.255.0
C.255.255.224.4
D.255.255.255.240
A.255.255.255.224
B.255.255.255.128
C.255.255.255.0
D.255.255.255
A.255.255.255.224
B.255.255.255.128
C.255.255.255.0
D.255.255.255
A.40.15.1.0/17
B.40.15.2.0/17
C.40.15.100.0/17
D.40.15.128.0/17
A.在向其邻居宣告网络时不带有子网掩码
B.支持不连续的网络
C.OSPF 是有类路由协议
D.在有类路由协议的网络中,各接口的子网掩码必须不相同
A类网络的子网掩码为255.252.0.0,则子网数目是()。
A.14个
B.30个
C.62个
D.126个
A.4
B.8
C.10
D.16