单项选择题 Whichofthefollowingpackagesisaprerequisiteforperfpmr？（）

单项选择题 Whichofthefollowingkdbsubcommandsshouldbeenteredtoobtaininformationaboutaserialport?（）

单项选择题 WhichofthefollowingoptionsbestjustifieswhyaDNSservershouldberuninalargenetworksystem？（）

单项选择题 ToaddaTTYTerminaltoSerialport1，whichofthefollowingsetofoptionsshouldbechosen？（）

单项选择题 YouaretheadministratorofCompany‘sWindows2000network.YouhavebeenaskedtorolloutaWindows2000ProfessionalservicepackonallWindows2000ProfessionalclientcomputersinCompany‘smainoffice.YoucreateasharedfoldernamedInstallFilesthatcontainstheinstallationfilesfortheservicepackandconnecttothesharedfolder.Youwanttopreventtheuserinterfacefrombeingdisplayedduringtheinstallation.Whatshouldyoudo?（）A.ConnecttotheInstallFilessharedfolderandruntheUpdate-qcommand.B.ConnecttotheInstallFilessharedfolderandruntheUpdate-ucommand.C.ConnecttotheInstallFilessharedfolderandruntheUpdate-zcommand.D.ConnecttotheInstallFilessharedfolderandruntheUpdate-s：InstallFilescommand.