问题 单项选择题

Which of the following statements about internet is (are) correct Ⅰ. Each host in internet only has a IP address. Ⅱ. It is possible to have multiple names corresponding to the same IP address. Ⅲ. In users’ points, Internet means a virtual network.

A.None

B.Ⅰ and Ⅱ

C.Ⅱ and Ⅲ

D.All

答案

参考答案:C

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