单项选择题
如果给定的子网掩码是255.255.255.224,那么主机192.168.23.122所在的驻留子网是()
A.192.168.0.0
B.192.168.23.32
C.192.168.0.96
D.192.168.23.96
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单项选择题
A.192.168.0.0
B.192.168.23.32
C.192.168.0.96
D.192.168.23.96
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