单选题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?（）A255.255.0.0B255.255.224.0C255.255.254.0D255.255.255.0E255.255.255.224
单选题
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
参考解析
解析：
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