CompTIA A+ Question J-60

A user is reporting that a desktop computer with a RAID 1 array is running slowly. Upon performing a reboot, the technician sees S.M.A.R.T. errors during boot up. Which of the following tools would the technician use FIRST to troubleshoot the errors?

A. diskpart
B. chkdsk
C. format
D. clean

Correct Answer: B