● 某主机的IP 地址为220.117.131.12/21,其子网掩码是 (28) 。(28)A. 255.255.248.0B. 255.255.240.0C. 255.255.252.0D. 255.255.255.0
● 某主机的IP 地址为220.117.131.12/21,其子网掩码是 (28) 。
(28)
A. 255.255.248.0
B. 255.255.240.0
C. 255.255.252.0
D. 255.255.255.0
相关考题:
某主机的IP地址为210.117.100.12/21,其子网掩码是() A.255.255.248.0B.255.255.240.0C.255.255.252.0D.255.255.255.0
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某主机的IP地址为220.117.131.12/21,其子网掩码是(28)。A.255.255.248.0B.255.255.240.0C.255.255.252.0D.255.255.255.0
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
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
● 某主机的 IP地址为 202.100.1.254/22,其子网掩码是 (28) 。(28)A. 255.255.250.0B. 255.255.252.0C. 255.255.254.0D. 255.255.255.0
● 某主机的IP 地址为202.117.131.12/20,其子网掩码是 (28) 。(28)A. 255.255.248.0B. 255.255.240.0C. 255.255.252.0D. 255.255.255.0