A.利用子网掩码可以判断两台主机是否在同一子网中
B.子网掩码代表Internet上每台主机的唯一标识
C.子网掩码用于设定网络管理员的密码
D.子网掩码的引入,主要是为了方便记忆
某主机的IP地址为10.100.100.01/20,其子网掩码是______。
A.255.255.248.0
B.255.255.252.0
C.255.255.240.0
D.255.255.255.0
A.132.12.64.0
B.255.255.0.0
C.132.12.87.0
D.255.255.64.0
A.141.14.0.0
B.141.14.64.0
C.141.14.32.0
D.141.14.72.0
A.255.255.248.0
B.255.255.240.0
C.255.255.252.0
D.255.255.255.0
A.255.255.248.0
B.255.255.240.0
C.255.255.252.0
D.255.255.255.0
A.150.25.0.0
B.150.25.16.255
C.150.25.2.24
D.150.25.0.30
A.255.255.248.0
B.255.255.252.0
C.255.255.240.0
D.255.255.255.0
A.255.255.248.0
B.255.255.252.0
C.255.255.240.0
D.255.255.255.0
A)255.255.255.255
B)250.110.25.0
C)255.111.255。25
D)250.110.25.255