多项选择题 Your mobile device runs the latest version of the Microsoft Windows Mobile operating system. Your mobile device supports the use of Bluetooth and Infrared (IR) for data synchronization. You need to configure data synchronization on your computer to only use Bluetooth. Which three actions should you perform?（）

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?（）