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【多选题】

You have a class B network with a 255.255.255.0 mask. Which of the statements below are true of this network?（）

A、There are 254 usable subnets.

B、There are 256 usable hosts per subnet.

C、There are 50 usable subnets.

D、There are 254 usable hosts per subnet.

E、There are 24 usable hosts per subnet.

F、There is one usable network.

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第2题
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第3题
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第5题
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第6题
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第7题
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第8题
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第9题
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第10题
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