单项选择题
A.Turn off Windows Firewall.
B.Run Ipconfig.exe /renew.
C.Configure a static TCP/IP address.
D.Run Netsh.exe interface ipv4 install.
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?（）
单项选择题 You have a computer that runs Windows 7. You open Windows Internet Explorer and access a Web site asshown in the exhibit. (Click the Exhibit button.) You click the Suggested Sites button, but the suggestions failto display. You need to obtain suggested sites. What should you do?（）