You have an Exchange Server 2010 organization that contains a database availability group （DAG） named DAG1.DAG1 contains two Mailbox servers named Server1 and Server2.You need to change the TCP port that Server1 and Server2 use to send transaction log files. What should you do？（）

• A、From the Exchange Management Shell， run the Set-MailboxServer cmdlet.
• B、From the Exchange Management Shell， run the Set-DatabaseAvailabilityGroup cmdlet.
• C、From the Exchange Management Console （EMC）,modify the properties of a Send connector.
• D、From the Exchange Management Console （EMC）,modify the properties of the mailbox database copy.