Certkiller .com asked you to design a new backup solution for its environment. They currently have a single backup server and a tape library connected to the SAN. Which solution requires the least amount of change and optimizes its current investment?

A.
CLARiiON Disk Library

B.
CLARiiON CX with ATA disks

C.
Celerra NS with ATA disks

D.
New Tape Library