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