单项选择题 You have a computer that runs Windows Vista. You connect to your company’s network by using a virtual private network (VPN) connection. You notice that when you establish the VPN connection, you are unable to access Internet Web sites. When you disconnect the VPN connection, you can access Internet Web sites. You need to access Internet Web sites while you are connected to the VPN connection. What should you do?（）

单项选择题 You have two desktop computers at your home. You establish a remote desktop connection from one computer to the other. The remote session fails to show the desktop background of the remote computer. You need to view the desktop background when you establish a remote session. What should you do?（）

单项选择题 You send a remote assistance invitation for help. You need to open a personal document without allowing the help desk to view the document. You also need to ensure that the remote assistance session remains connected. What should you do?（）