单项选择题
对于网络172.168.16.0,掩码255.255.252.0,与它相邻的子网是?()
A.172.168.20.0
B.172.168.24.0
C.172.168.32.0
D.172.168.48.0
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单项选择题
A.172.168.20.0
B.172.168.24.0
C.172.168.32.0
D.172.168.48.0
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