IP地址块192.168.133.128/26的子网掩码可写为______。 A.2
题型:单项选择题
问题:
IP地址块192.168.133.128/26的子网掩码可写为______。
A.255.255.255.0
B.255.255.255.128
C.255.255.255.192
D.255.255.255.224
IP地址块192.168.133.128/26的子网掩码可写为______。
A.255.255.255.0
B.255.255.255.128
C.255.255.255.192
D.255.255.255.224