单项选择题
A.Enable Microsoft Windows Firewall.
B.Disable the default administrator account.
C.Use password protection for all user accounts.
D.Configure Web sites you approve of in the list of Trusted Sites of Microsoft Windows Internet Explorer.
单项选择题 You need to verify whether your computer can obtain all of the latest operating system updates. What should you do？ （）
多项选择题 Your computer hardware supports Microsoft Windows Aero Experience. The transparency feature does not appear to be enabled. You need to use the transparency feature. What are the two possible ways to achieve this goal？ （）
单项选择题 Your computer is unable to support some display features of Microsoft Windows Aero. You need to check the graphics component rating of the computer. Which Control Panel option should you use？ （）