单项选择题
A.Create a Failover Cluster and then add MBX1 and MBX2 to the Failover Cluster
B.Create a database availability group （DAG） and then add MBX1 and MBX2 to the DAG
C.Create a public folder database on MBX2 and then modify the replication settings on each public folder
D.Create a public folder database on MBX2 and then modify the replication settings on the public folder database
单项选择题 YouhaveanExchangeServer2010serverthatcontainsasinglemailboxdatabase.AllusersrunMicrosoftOfficeOutlookandOutlookWebApp.Youdiscoverthatuserscannotrestoree-mailmessagesfromtheRecoverDeletedItemsfolder.Youneedtoensurethatuserscanrestoree-mailmessagesfromtheRecoverDeletedItemsfolder.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010organizationthatcontainsamailboxdatabasenamedDB1.YouhaveabackupofDB1.Youneedtocopyamailboxfromthebackuptoapersonalfolder（PST）file.ThesolutionmustnotpreventusersonDB1fromaccessingtheirmailboxes.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010organizationthatcontainsasingleMailboxserver.TheMailboxservercontainstwomailboxdatabasesnamedDB1andDB2.YouneedtorestoreabackupofDB1.UsersmustbeabletoconnecttotheirmailboxesonDB1duringtherestoreprocess.Whatshouldyoucreatefirst？（）