Certkiller .com currently backs up, on average, 1.5 TB a day Monday through Friday and 7 TB on Saturday. They would like to keep four weeks of backups on the CLARiiON Disk Library. They expect their disk usage to grow 30% a year. They want a solution that will be good for three years. Which model of CLARiiON Disk Library would you recommend?

A.
DL740

B.
DL520

C.
DL710

D.
DL310