A customer has an existing EMC Data Domain system that backs up their web services
data. Their business is growing and they would like to expand storage by adding two ES30
hard drive shelves to their existing ES20 shelf set. Which option can be used for increasing
capacity?

A.
Install a separate shelf set for the ES30 shelves

B.
Install one additional ES20 to allow the additional two ES30 shelves to the existing
shelf set

C.
Add only one additional ES30 shelf to the shelf set

D.
Use Infiniband style cables between the ES20 and ES30 shelves in the shelf set