Your current backup solution includes a backup server and six tape drives within a tape library.
The routers are connected to the SAN and the servers are zoned on the SAN to see the server
sends a set of commands to the tapes routers causing the routers to talk directly to the volumes
and copy them to the tape drives. Which backup infrastructure type would describe?

A.
D2D (disk-to-disk)

B.
3PC (3rd party copy)

C.
SSO (shared storage option)

D.
D2R2T(disk-to-router-to-tape)