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單項(xiàng)選擇題

Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?()

A.255.255.0.0
B.255.255.224.0
C.255.255.254.0
D.255.255.255.0
E.255.255.255.224

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