A.Carl won't have changed a lot. B.Carl won't be recognised by anyone. C.Carl will probably have changed much. D.Carl haven't seen him for sixteen years.
【简答题】网络地址:172.16.0.0,如果子网掩码为255.255.192.0,则以下说法正确的是() A. 其中一个子网的网络地址为: 172.16.68.0 B. 其中一个子网的网络地址为: 172.16.68.255 C. 其中一个子网的广播地址为: 172.16.128.0 D. 其中一个子网的广播地址为: 172.16.128.255