Explanation/Reference:
B: Step 1: Add the file server (server3) as a storage device.
Add a storage device-As a first step, add a storage device or Windows-based file server to the VMM console.
E: Step 2: Create a file share on the file server (server3).
Create a file share-Create a file share on the Windows-based file server.
A: Step 3: Assign the share to the Host server (Server2)
Assign the share-Assign the share to a virtual machine host or cluster.
Ref: http://technet.microsoft.com/en-us/library/jj614620.aspx