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單項選擇題

You use a Windows 2000 Professional portable computer both at the office and at home. In the office you connect the portable computer to a docking station and use Internet Explorer to access the Internet through your LAN connection. 
At home, you configure a new dial-up connection to the Internet. Now when you attempt to access the Internet from the office you are prompted to connect via your dial-up connection. When you cancel this message, you can only work offline and cannot access the Internet. 
You want to maintain your dial-up connection for home use and your ability to access the Internet when connected to the company LAN. What should you do?()

A.Reconfigure the dial-up connection to dial-up to a private network.
B.Create another connection that uses a virtual private network (VPN) to connect a private network though the Internet.
C.Configure Internet Explorer to automatically detect proxy settings.
D.Configure Internet Explorer to dial whenever a network connection is not present.

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