单项选择题 You have a computer that runs Windows Vista. You need to ensure that the temporary Internet files are deleted when you close Windows Internet Explorer. What should you do?（）

单项选择题 A user has a computer that runs Windows Vista. You need to prevent the user from accessing contoso.com Web sites. What should you do in Windows Internet Explorer?（）

单项选择题 You have a computer that runs Windows Vista. You need to restore the default Windows Internet Explorer settings for the internal network. You want to maintain the current settings for the Internet. What should you do on the Internet Explorer Security tab?（）