A.255.255.248.0
B.255.255.252.0
C.255.255.240.0
D.255.255.255.0
[单选题]某主机的IP地址为10.100.100.01/20,其子网掩码是______。A.255.255.248.0B.255.255.252.0C.255.255.240.0D.255.255.255.0A.B.C.D.
[单选题]某主机的IP地址为10.100.100.01/20,其子网掩码是( )。A.255.255.248.0B.255.255.252.0C.255.255
[单选题]某主机的IP地址为10.100.100.01/20,其子网掩码是(70)。A.255.255.248.0B.255.255.252.0C.255.255.240.0D.255.255.255.0
[单选题]某主机的IP地址为10.100.100.01/20,其子网掩码是(28)。A.255.255.248.0B.255.255.252.0C.255.255.240.0D.255.255.255.0
[单选题] 某主机的 IP地址为 10.100.100.01/20,其子网掩码是 (70) 。(70)A. 255.255.248.0B. 255.255.252.0C. 255.255.240.0D. 255.255.255.0
[单选题] 某主机的IP 地址为10.100.100.01/20,其子网掩码是 (28) 。(28)A. 255.255.248.0B. 255.255.252.0C. 255.255.240.0D. 255.255.255.0
[单选题]某主机的IP地址为202.117.131.12/20,其子网掩码是______。A.255.255.248.0B.255.255.240.0C.255.255.252.0D.255.255.255.0A.B.C.D.
[单选题]某主机的IP地址为202.117.131.12/20,其子网掩码是(65)。A.255.255.248.0B.255.255.240.0C.255.255.252.0D.255.255.255.0
[单选题]某主机的IP地址为202.117.131.12/20,其子网掩码是(28)。A.255.255.248.0B.255.255.240.0C.255.255.252.0D.255.255.255.0
[单选题] 某主机的IP 地址为202.117.131.12/20,其子网掩码是 (65) 。(65)A. 255.255.248.0B. 255.255.240.0C. 255.255.252.0D. 255.255.255.0