相关考题
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多项选择题
A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? （）
A.255.255.255.0
B.255.255.255.128
C.255.255.252.0
D.255.255.255.224
E.255.255.255.192
F.255.255.248.0 -
单项选择题
下列是外部网关路由协议的是（）。
A.rip
B.ospf
C.igrp
D.bgp
E.eigrp -
单项选择题
IP地址中，网络部分全0表示（）。
A.主机地址
B.网络地址
C.所有主机
D.所有网络
