CompTIA A+ Core 2 Question H-26

A technician responds to a hardware issue with a server. The technician discovers that one of the hard drives in the server has failed. The server is set up in a RAID 1 configuration. Which of the following steps would the technician perform NEXT?

A. Remove the hard drive and back up the data
B. Run CONVERT on the hard drive
C. Reboot the server
D. Swap hard drive and rebuild array