多项选择题
A.Add Tom to the Power Users group.
B.Set the total paging file to 75 percent of physical memory.
C.Perform a disk analysis， and use the disk defragmenter， if recommended.
D.Use disk cleanup to delete temporary files and unnecessary program files.
E.Ensure that the performance options setting is optimized for background services.
单项选择题 You are the administrator of a Windows 2000 Professional computer. You schedule a task to run after 15 minutes. One hour later， the task still has not run. You notice that your Event Viewer system log has the following error message； "The task scheduler service failed to start due to following error. The service did not start due to login failure." You want to run the scheduler task again. What should you do before restarting the task scheduler service？（）
单项选择题 YouinstallaSCSIadapterandaSCSItapedriveonyourWindows2000Professionalcomputer.YoustartthecomputerandWindows2000ProfessionaldetectsandinstallsdriversforthenewSCSIdevices.Laterthesameday,yourestartyourcomputer.Duringthestartupprocess,thecomputerstopsloadingWindows2000Professional.Youthenrestartthecomputeranditstopsagain.YouwanttoenableyourWindows2000Professionalcomputertostartsuccessfully.Whatshouldyoudo?（）
单项选择题 YouwanttoconfigureyourWindows2000Professionalportablecomputertouseofflinefiles.Thefilesthatyouwanttoaccessofflineincludealargeprojectfileandsomesmallerpersonalfiles.Yourportablecomputerisconfiguredtoconnecttothenetworkbyusingthedialupconnectionatscheduledtimesduringdaytoautomaticallydownloadyoure-mailmessages.Youdonotwanttosynchronizetheprojectfilewhenyouconnecttothenetworkusingthedial-upconnection.Whatyoushoulddo?（）