A large bank is experiencing problems backing up data from its remote branch offices. It is only just meeting its SLAs for backup windows during the weekly and monthly full backups. It does not have the space available to provide a local backup solution nor the ability to increase their network bandwidth to allow faster remote backups, they are searching for a way to reduce the amount of backup data sent over its WAN. Which product should the bank use first to reduce the amount of data being backed up?

A.
Avamar

B.
Centera

C.
EDL 4000 series

D.
RepliStor