单项选择题
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.
单项选择题 YournetworkcontainstwoExchangeServer2010Mailboxservers.Youcreateadatabaseavailabilitygroup（DAG）.YouneedtoensurethattheExchangeserverscanreplicatemailboxdatabases.Whatshouldyoudo？（）
单项选择题 Youhaveadatabaseavailabilitygroup（DAG）thatcontainstwoserversnamedMBX1andMBX2.YoudiscoverthatamailboxdatabasenamedDB2isinaFailedAndSuspendedstateonMBX2.YouneedtoreseedDB2toMBX2.Youmustachievethisgoalbyusingtheminimumamountofadministrativeeffort.Whatshouldyoudo？（）
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？（）