单项选择题 You need to connect a computer that runs Windows Vista to a network projector. What should you do?（）
多项选择题 You are unable to connect your computer to a wireless network projector. The wireless network projector does not appear in the list of available network projectors provided by the Connect to a Network Projector wizard. You need to connect to the network projector. What are two possible ways to achieve this goal?（）
单项选择题 When you connect an external monitor to your portable computer, the same image appears on both monitors. You need to drag a window from one monitor to the other. What should you do?（）
