单项选择题
A.In a command window， type the ipconfig /displaydns command.
B.In the Network and Sharing Center window， click the View Full Map link.
C.In the Network and Sharing Center window， click the Diagnose and repair link.
D.Configure the DNS server by using an IP address provided by your Internet Service Provider （ISP）.
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？（）
多项选择题 Your wireless network is not listed in the Connect to a network window of your computer. You need to connect to your wireless network. Which two actions should you perform？（）