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

A service known as cloud backup backs up and stores the information and programs on a company's servers on a different server. When a system fails, there is an outage, or a natural disaster strikes, businesses choose to back up to the cloud to keep their files and data accessible.

There are different kinds of cloud backup services: you can set up an on-premises backup to save data to the cloud, use a dedicated cloud backup provider, backup data directly in the public cloud, backup data from one cloud to another, or backup data from one cloud to another.

Therefore, The reason why it is not the others is that the cost of backing up using the other options will be more expensive and also needs a lot of space and as such, cloud service is the best.

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