单项选择题
A.From the Exchange Management Shell， run the Test-ServiceHealth cmdlet.
B.From the Exchange Management Shell， run the Get-DatabaseAvailabilityGroup cmdlet.
C.From the Exchange Management Console （EMC）， view the properties of the database copy.
D.From the Exchange Management Console （EMC）， view the properties of the Mailbox server.
单项选择题 YouhaveanExchangeServer2010Mailboxserver.Youneedtoidentifywhichusershavethelargestmailboxesontheserver.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010Mailboxserver.Theservercontainsonemailboxdatabase.Youneedtoviewthelastlogontimeofallusersintheorganization.Whatshouldyoudo？（）
单项选择题 YouneedtomodifytheExchange-specificcostforasitelinknamedLink1.Whatshouldyoudo？（）