单项选择题
You have an Exchange Server 2010 organization that contains a single Mailbox server.The Mailbox server contains two mailbox databases named DB1 and DB2.You need to restore a backup of DB1.Users must be able to connect to their mailboxes on DB1 during the restore process.What should you create first？（）
A.a database availability group （DAG）
B.a Client Access server array
C.a Recovery Mailbox database
D.a recovery storage group
相关考题
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单项选择题
YournetworkcontainsanExchangeServer2010Mailboxserver.Theserverhasonemailboxdatabase.AusernamedUser1reportsthathehasmultiplecorruptede-mailmessagesinhismailbox.YouneedtorecoverUser1¯s-mailmessages.Thesolutionmustnotdeleteanyothere-mailmessagesinthemailboxdatabase.Whatshouldyoudo？（）
A.Create a new Mailbox Recovery Database， restore a backup of the database file， and then run the Export-Mailbox cmdlet.
B.Create a new Mailbox Recovery Database， restore a backup of the database file， and then run the Restore-Mailbox cmdlet.
C.Create a database availability group （DAG）， restore a backup of the mailbox database file， and then run the Restore-Mailbox cmdlet.
D.Create a database availability group （DAG）， restore a backup of the mailbox database file， and then run the Export-Mailbox cmdlet. -
单项选择题
YouhaveanExchangeServer2010organization.TheorganizationcontainstwoMailboxserversnamedServer1andServer2.Bothserversaremembersofadatabaseavailabilitygroup（DAG）namedDAG1.Server1andServer2haveacopyofamailboxdatabasenamedDB1.YouneedtoremovethecopyofDB1fromServer1.Whatshouldyoudo？（）
A.From the Exchange Management Shell， run Clean-MailboxDatabase -Identity DB1.
B.From the Exchange Management Shell， run Remove-MailboxDatabase -Identity DB1\Server1.
C.From the Exchange Management Console （EMC）， right-click the database copy and select Remove.
D.From the Exchange Management Console （EMC）， right-click DAG1 and select Manage Database Availability Group Membership.Remove Server1 from the list and click Manage. -
单项选择题
YouhaveanExchangeServer2010organization.TheorganizationcontainstwoMailboxserversnamedServer1andServer2.Bothserversaremembersofadatabaseavailabilitygroup（DAG）.AmailboxdatabasenamedDB1hasacopyonServer1andServer2.YouneedtoensurethatServer2waitsthreedaysbeforeapplyingtransactionlogfilesfromServer1toDB1.Whatshouldyourun？（）
A.Set-MailboxDatabaseCopy -Identity DB1\Server1 -ReplayLagTime 3.0：0：0
B.Set-MailboxDatabaseCopy -Identity DB1\Server1 -TruncationLagTime 3.0：0：0
C.Set-MailboxDatabaseCopy -Identity DB1\Server2 -ReplayLagTime 3.0：0：0
D.Set-MailboxDatabaseCopy -Identity DB1\Server2 -TruncationLagTime 3.0：0：0
