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An SAS RAID array has severely degraded and gone offline A systems administrator examines the syslog, and the point of failure is not obvious. Which of the following techniques should the administrator use to identify the issue (Select two).
Correct Answer: C,F
* Clicking and grinding noises indicate mechanical drive failure. * SMART data provides insights into the health and status of drives, helping identify failing components in the RAID array. * Why Not A (Run a magnet): This would damage drives. * Why Not B (Check if one drive is not level): Physical leveling is irrelevant. * Why Not D (Check OS logs): OS logs may provide limited information for RAID arrays. * Why Not E (Update RAID controller firmware): While important, it does not diagnose drive failure. CompTIA A+ Exam Reference: Core 1 (220-1101), Section 3.3, storage troubleshooting.