A hosting company offers Backup-as-a-Service to their customers. The customers who
decide to sign up for the service are provided with an Ethernet link to an EMC Data Domain
system where the backups are stored. Optionally, customers can choose to have their
backup data replicated to a secondary location. Which kind of replication should be
configured?

A.
MTree

B.
Pool

C.
Collection

D.
Root-to-Root