IP地址为140.111.0.0的B类网络,若要切割为9个子网,而且都要连上Internet,子网掩码应设为().
A.255.0.0.0 B.255.255.0.0 C.255.255.128.0 D.D:255.255.240.0正确答案D
IP地址为140.111.0.0的B类网络,若要切割为9个子网,而且都要连上Internet,子网掩码应设为().
A.255.0.0.0 B.255.255.0.0 C.255.255.128.0 D.D:255.255.240.0正确答案D