单项选择题 YouhaveanExchangeServer2010organizationthatcontains20mailboxdatabases.Youconfigureeachdatabasetoretainalldeleteditemsfor30days.Youneedtoensurethatallitemsthatpasstheretentionperiodarepermanentlydeleteddailybetween02：00and06：00.Whichcmdletshouldyouuse？（）A.Set-MailboxDatabaseB.Set-MailboxServerC.Set-OrganizationConfigD.Set-RetentionPolicy

单项选择题 YourcompanyhasanActiveDirectoryDomainServices（ADDS）domainthatincludesanADsecuritygroupnamedMonitoring.YouareconfiguringaWindowsServer2008R2Hyper-Vserverthathostsseveralvirtualmachines（VMs）.YouneedtoensurethatmembersoftheMonitoringgroupcanonlystopandstartVMsonthehostserver.Whatshouldyoudo？（）A.AddtheMonitoringgrouptotheServerOperatorsADsecuritygroup.B.InAuthorizationManager，addtheMonitoringgrouptotheAdministratorroleinthedefaultscope.C.InAuthorizationManager，createataskthatincludestheStopVirtualMachineandStartVirtualMachineoperations.AddthetasktotheAdministratorrole.D.InAuthorizationManager，createaroleinthedefaultscope.AddtheStopVirtualMachineandStartVirtualMachineoperationstotherole.AssigntheMonitoringgrouptotherole.

单项选择题 YouwanttoimplementIPaddresstoComputerNameresolvingonyourWindows2000network.HowdoyouconfigurethisinaNETBIOSenvironment？（）

单项选择题 YouconfigureaW2kProwithstaticIP.YoufoundanerrorinDNSserveraddress.YouconfigureDNSaddressto10.1.1.5.ButtheW2kProisstillunabletoconnecttothenetworkresourcebyname.Yourunipconfig/allandseethatDNSserveraddressis：0.0.0.0Whatdoyoudo？（）A.StopandRestartDNSclientservice.B.Add10.1.1.5toDNSserverlistonTCP/IPadvancedpropertiestab.C.AddA（host）recordforthecomputertotheDNSserverzonefile.D.ConfigureDHCPservertohaveaDNSserveraddressof10.1.1.5

单项选择题 YouareauditingsomeeventsonyourWindows2000Professionalcomputer.Youmakechangesinthesystemtimeofthiscomputer.Underwhateventwillthislogbegeneratedintheeventviewer？（）