单项选择题
A.From the Advanced tab， click Reset.
B.From the Programs tab， click Set programs.
C.From the Advanced tab， click Restore advanced settings.
D.From the Security tab， click Reset all zones to default level.
单项选择题 Your network consists of a single IPv4 subnet. The subnet contains 20 computers that run Windows 7. Youadd a new computer named Computer1 to the subnet. You discover that Computer1 has an IP address of169.254.34.12. You cannot connect to other computers on the network. Other computers on the networkcan connect to each other. You need to ensure that you can connect to all computers on the network. What should you do?（）
单项选择题 You have a computer that runs Windows 7. You install a third-party Web browser. You discover that HTMLfiles are no longer associated with Windows Internet Explorer. You need to ensure that Internet Explorerstarts whenever a HTML file is opened. What should you do from Internet Options?（）
单项选择题 You have a computer that runs Windows 7. You need to prevent ActiveX controls from running in WindowsInternet Explorer. Which Internet Explorer settings should you modify?（）