A database is utilizing ten 9 GB, RAID 1 devices. A cascade three-site remote replication solution
that includes synchronous and extended distance consistent PIT has been selected for disaster
recovery. All devices involved in remote replication will have RAID 1 protection.
What is the total amount of raw capacity that is required for this solution?

A.
360 GB

B.
540 GB

C.
720 GB

D.
900 GB