You have an Exchange organization. All servers in the organization have Exchange Server
2010 Service Pack 1 (SP1) installed.
You have a database availability group (DAG) that contains two servers named MBX1 and
MBX2.
You discover that a mailbox database named DB2 is in a FailedAndSuspended state on
MBX2.
You need to reseed DB2 to MBX2.
You must achieve this goal by using the minimum amount of administrative effort.
Which cmdlet should you run?

A.
Restore-DatabaseAvailabilityGroup

B.
Resume-MailboxDatabaseCopy

C.
Set-DatabaseAvailabilityGroup

D.
Update-MailboxDatabaseCopy