单项选择题

A. MulticastingB. Proxy serverC. NATD. SubnettingA new ……

A new company has been given one public IP address. The company employs 200 users requiring Internet access from the headquarters.
Which of the following can be implemented to provide Internet access for all the employees?（）

A. Multicasting
B. Proxy server
C. NAT
D. Subnetting

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