单项选择题 You have a computer that runs Windows 7. You log on to the computer by using a user account that is amember of Administrators group. From Windows Explorer you open C:\windows system32\drivers\etc\hostsin Notepad. You attempt to save the file and receive the Save As dialog box. You need to ensure that youcan save changes to C:\windows\system32\drivers\etc hosts. What should you do?()

单项选择题 You have a computer that runs Windows 7. Multiple users log on to your computer. You enable auditing ona folder stored on your computer. You need to ensure that each access to the folder is logged.  What should you do?（）

单项选择题 You have a computer that runs Windows 7. You view the properties of a file on the computer as show in theexhibit. (Click the Exhibit button.) You need to ensure that you can configure permissions on the file.  What should you do?（）