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單項選擇題

You create a shared Internet connection on a Windows 2000 Professional computer. Your network has 10 users on the LAN. All of the users can connect to HTTP sites, FTP sites, and streaming audio content on the Internet. One of the computers on your LAN is running an FTP host application. Users on the Internet cannot connect to the FTP host on your network. What should you do?()

A.Configure the FTP host to accept incoming requests on service port 80.
B.Configure an Internet Connection Sharing application type for FTP to use remote server port 23.
C.Configure an Internet Connection Sharing service type for FTP use service port 21 on the FTP host computer.
D.Configure an Internet Connection Sharing service type for FTP use service port 23 on the FTP host computer.

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