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?
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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.