单项选择题 You have a computer that runs Microsoft Windows XP. The computer has a custom application installed. You plan to upgrade the Windows XP computer to Windows Vista. You need to identify whether User Account Control (UAC) will allow the custom application to run without requiring elevated privileges. What should you do?（）

单项选择题 Your computer runs Microsoft Windows 2000 with Service Pack 3. You need to upgrade your computer to Microsoft Windows Vista. You must achieve this goal without reinstalling the applications. What should you do?（）

单项选择题 You perform a clean installation of Microsoft Windows Vista on the first partition. Then, you install Microsoft Windows XP Professional on the second partition of the same machine. You are able to log on to Windows XP Professional but do not have the option to boot to Windows Vista. You need to be able to dual boot the computer. What should you do?（）