A grocery store is expressing security and reliability concerns regarding the on-site backup strategy currently being performed by locally attached disks. The main concerns are the physical security of the backup media and the durability of the data stored on these devices Which of the following is a cost-effective approach to address these concerns?

A. Enhance resiliency by adding a hardware RAID.

B. Move data to a tape library and store the tapes off site

C. Install a local network-attached storage.

D. Migrate to a cloud backup solution

Please also explain why not other options