单项选择题
A.Windows Server 2003 R2 Standard Edition
B.Windows Server 2008 R2 Standard Edition
C.Windows Server 2003 Service Pack 2 （SP2） Enterprise Edition
D.Windows Server 2008 Service Pack 2 （SP2） Enterprise Edition
单项选择题 YouhaveanExchangeServer2010organizationnamedContoso.comthatcontainsamail-enabledDomainLocalgroupnamedGroup1.Usersfromoutsidetheorganizationreportthatalle-mailmessagessenttogroup1@contoso.comgenerateanon-delivery-report（NDR）.Youneedtoensurethatusersfromoutsidetheorganizationsende-mailtogroup1@contoso.com.Whatshouldyoumodifyforgroup1？（）
单项选择题 Your network contains an Active Directory forest. All domain controllers run Windows Server 2008. You need to ensure that you can install an Exchange Server 2010 server in the Active Directory forest. What should you do（）？
单项选择题 YounetworkcontainsanExchangeServer2010Mailboxserver.Youinstallandconfigureathird-partyantivirusapplicationontheserver.YoudiscoverthatamailboxdatabasenamedDB1doesnotmount.YouattempttomountthemailboxdatabaseandreceiveanerrormessagestartingthatthefilenamedE01.logcannotbefound.YouneedtomountDB1.Thesolutionmustpreventtheantivirusapplicationfromcausingthesameerror.Whatshouldyoudo？（）