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A technician is working on a RAID 1 array that is apparently degraded. The technician verifies the RAM and power are both operating as expected. Which of the following can the technician do to further isolate the issue?
Correct Answer: A
Comprehensive and Detailed In-Depth Explanation: A degraded RAID 1 array usually means one of the drives has failed or is failing. The correct next step is to run diagnostics on each drive to identify the faulty one. RAID 1 uses mirroring, so one good drive should still contain all the data. * Option B: chkdsk checks file system integrity, not hardware drive health. * Option C: Rebuilding should only occur after identifying and replacing a faulty drive. * Option D: RAID 0 offers no redundancy and would destroy data in this context. CompTIA A+ Core 1 Exam Objective Reference: * Objective 3.5: Given a scenario, troubleshoot problems related to storage devices.