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单项选择题 You work as network consultant. Your customer, TestKing Inc, has a class C network license. TestKing wants you to subnet the network to provide a separate subnet for each of its 5 departments. Each subnet must support at least 24 hosts. Which network mask should you use?（）

A、255.255.255.192

B、255.255.255.224

C、255.255.255.240

D、255.255.255.248

E、255.255.255.252

F、255.255.255.254

  • B

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