Which of the following RAID types should the technician recommend?

A customer has a production server with two 500GB hard drives that host critical employee data. The customer previously lost data due to a hard drive crash, and the customer does not want that to happen again. The customer does not have a large budget and is not concerned about performance on the system.

Which of the following RAID types should the technician recommend?
A . RAID 0
B . RAID 1
C . RAID 5
D . RAID 10

Answer: A