A technician suspects the boot disk of a user's computer contains bad sectors. Which of the following should the technician verify in the command prompt to address the issue without making any changes?

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C. Run chkdsk on the drive as the administrator The `chkdsk` (Check Disk) utility in Windows is used to verify the integrity of a disk volume and can identify bad sectors. When run without parameters like `/f` (fix errors) or `/r` (locate bad sectors and recover readable information), it operates in a read-only mode, checking for issues without attempting to repair them or alter the disk's contents.

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A. Run sfc / scannow on the drive as the administrator `sfc /scannow` (System File Checker) is used to scan and restore corrupted Windows system files, not to check for bad sectors on a disk.

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B. Run cleanmgr on the drive as the administrator `cleanmgr` (Disk Cleanup) is used to free up disk space by removing temporary files and other unnecessary data, not to diagnose bad sectors.

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D. Run dfrgui on the drive as the administrator `dfrgui` launches the Disk Defragmenter utility, which reorganizes fragmented data on a disk to improve performance, but it does not scan for or report bad sectors.

A technician suspects the boot disk of a user's computer contains bad sectors. Which of the following should the technician verify in the command prompt to address the issue without making any…

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