单项选择题
机组编号为1#下面哪个是它的Subnet Mask ().
A.192.168.151.1
B.192.168.150.1
C.255.255.252.0
D.192.168.151.1.1
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单项选择题
A.192.168.151.1
B.192.168.150.1
C.255.255.252.0
D.192.168.151.1.1
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