单项选择题 Yousetupscheduledtaskstorunandnotifyyouofanyfailures.3dayslateryouseethatnoneofthetasksranandyoureceivednonotifications.Whatshouldyoudo？（）

单项选择题 AlloftheclientcomputersinyourcompanynetworkareWindows2000portablecomputers.AusernamedMariastoresSalesfilesinherMyDocumentsfolder.Sheusesthesefileswhenshetravels.Mariainformsyouthatwhenshetakesherportablecomputertotradeshows，shecanaccesssomeoftheSalesfilesbutnotallofthem.Whenherportablecomputerisconnectedtothenetworkattheoffice，shecanaccessallofthefiles.YouneedtoenableMariatoaccessallofthefilesinherMyDocumentsfolderwhensheisworkingremotely.Whatshouldyoudo？（）

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？（）