You work as the Enterprise Exchange Administrator at ABC.com. The ABC.com network consists of a domain named ABC.com.
The ABC.com network has three mail servers named ABC-SR11, ABC-SR12 and ABC-SR13 in the following configuration:
* ABC-SR11 has the Front-end role installed and is running Exchange Server 2003 SP2.
* ABC-SR12 has the Back-end role installed and is running Exchange Server 2003 SP2.
* ABC-SR13 has the Client Access role and the Mailbox role installed and is running Exchange Server 2010.
How can you perform the migration of the mailboxes from ABC-SR12 to ABC-SR13 and ensure the availability of the mailboxes?
A.
You should implement recipient filtering.
B.
You should configure EdgeSync synchronization.
C.
You should implement Transport protection rules.
D.
You should deploy the Exchange Server 2010 Hub Transport server role.