单项选择题
A.整个报文传输的路径 B.下一跳地址 C.网络拓扑结构 D.以上说法均不对
A.255.255.255.224 B.255.255.255.240 C.255.255.255.248 D.255.255.255.252
A.2046 B.2048 C.4094 D.4096
A.255.255.255.252 B.255.255.255.248 C.255.255.255.240 D.255.255.255.255
微信扫一扫,加关注免费搜题