单项选择题 Ten users at your office run an accounting application on their Windows NT Workstation 4.0 computers. The application stores its data in a shared network folder named Accdata on a Windows 2000 Server computer named Server1. You upgrade all 10 computers to Windows 2000Professional and verify that all applications are compatible with Windows 2000. After the upgrade，some users report that they are receiving intermittent data-corruption error messages. They are also receiving data file-version mismatch error messages. When these errors occur， your only method of recovery is to restore the entire contents of the Accdata folder from a known good backup copy. You need to prevent these errors from occurring in the future. What should you do？（）

多项选择题 You are the administrator of a network supporting Windows 2000 Professional computers. You want to configure user Group Policy to achieve these results:    Allow users to view the options in the Offline Files dialog box   Remove the Offline Files tab from the Folder Options dialog box   Disable the Settings button in the Offline Files Status dialog box   Remove the Settings command from the Offline Files shortcut menu    Your proposed solution is to enable the group policy setting Disable user configuration of Offline Files.    Which results does the proposed solution provide?（）

多项选择题 AusernamedTomreportsthatapplicationsonhisWindows2000Professionalcomputerarerunningslowly.YounoticethatTom’scomputerhas64MBofRAMand100MBfreediskspace.Whichmethodcanyouusetoimproveperformance？（）