Your network contains an Active Directory domain named fabrikam.com
You have an Exchange Server 2010 Service Pack 1 (SP1) organization that contains four
servers. The servers are configured as shown in the following table.

Edge1 is located in the perimeter network.
You need to replicate the transport configurations to Edge1.
What should you do first?

A.
From Hub1, run the Get-EdgeSubscription cmdlet and specify the FileName parameter.

B.
From Edge1, run the Get-EdgeSubscription cmdlet and specify the FileData parameter.

C.
From Hub1, run the New-EdgeSubscription cmdlet and specify the FileData parameter.

D.
From Edge1, run the New-EdgeSubcription cmdlet and specify the FileName parameter.

Explanation:
http://technet.microsoft.com/en-us/library/bb123800.aspx