单项选择题
A.From the Services console， restart the Microsoft Exchange Replication Service.
B.From the Exchange Management Console， run the Add Mailbox Database Copy wizard.
C.From the Exchange Management Shell， run the Update-MailboxDatabaseCopy cmdlet.
D.From the Exchange Management Shell， run the Restore-DatabaseAvailabilityGroup cmdlet.
单项选择题 You have an Exchange Server 2010 Edge Transport server.You discover that e-mail delivery to an external SMTP host named Host1 fails.You need to identify which SMTP error codes occur when the delivery to Host1 fails. What should you do？（）
单项选择题 YouhaveanExchangeServer2010organization.YouneedtodeterminewhyaremoteSMTPserverrejectse-mailsentfromyourorganization.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010organization.Youneedtoviewalistofmailboxesonallserversthatarelargerthan1GB.Whatshouldyoudo？（）