单项选择题
A.Use the Diagnose and repair feature in the Network and Sharing Center.
B.At the command prompt， type ipconfig /allcompartments.
C.Disable the NetBIOS feature on your network adapter.
D.Configure the correct default gateway on the Alternate Configuration tab of your network connection properties dialog box.
单项选择题 Your computer is unable to access external names or IP addresses. You need to connect to external Internet resources. What should you do first？（）
单项选择题 You report to the IT department in your company that your computer has a connectivity problem. The department requests that you configure your system with the following value： 2001：：f85c：494e：7：4bd4 You need to configure your computer accordingly. What should you do？（）
单项选择题 You connect your computer to a wireless network. You discover that this new connection fails to show in the Connect to a network window. You need to view this connection in the Connect to a network window. What should you do？（）