单项选择题
A.¡¤Install Microsoft .NET Framework 3.5 Service Pack 1 （SP1Install Windows Management Framework run ServerManagerCmd.exe IP Exchange-Typical.xml
B.¡¤Install Microsoft .NET Framework 3.5 Service Pack 1 （SP1Install Windows Remote Management （winRM） 2.0 Run ServerManagerCmd.exe IP Exchange-Base.xml
C.¡¤Install Windows ManagementFramework Install Message Queuing Install the Web Server role
D. ¡¤Install Windows Management Framewor Install the Web Server role Install the RPC over HTTP proxy component
单项选择题 YouhaveanExchangeorganization.AllserversintheorganizationhaveExchangeServer2010ServicePack1（SP1）installed.Youneedtopreventexternalorganizationsthatdonothavesenderpolicyframework（SPF）recordsfromsendinge-mailmessagestotheorganization.Whatshouldyouconfigure？（）
单项选择题 Youhaveconfiguredthesystemtopurgemailboxesafter8daysofbeingdeleted.Youneedtoreceiveanotificationwhenthemailboxesarepurged.Whatshouldyoudo？（）
单项选择题 User1reportsshelosthermobiledevice.Shesuccessfullyremotelywipedtheinformationfromthedevice.Afterwardsshereportsshefoundthedevice，butshecannotaccesshermailboxorothercontent.Whatshouldyoudo？（）