多项选择题
A.From MBX1 and CAS1， run Performance Monitor.
B.From MBX1 and CAS1， run the message tracking viewer.
C.From CAS1 and HUB1， run the Mail Flow Troubleshooter.
D.From MBX1 and CAS1， run the Exchange Troubleshooting Assistant.
单项选择题 You have an Exchange Server 2010 Mailbox server that contains multiple mailbox databases.You need to ensure that you receive an e-mail alert if the volume that contains the mailbox database files has less than 25 percent of free space. What should you do？（）
单项选择题 YouhaveanExchangeServer2010organization.Youneedtoviewthereplicationstatusofamailboxdatabasecopy.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010Mailboxserver.Youneedtoidentifywhichusershavethelargestmailboxesontheserver.Whatshouldyoudo？（）