220-801 Question #1130: Real Exam Question with Answer & Explanation

The correct answer is D: chkdsk. The chkdsk (Check Disk) command is a Windows utility that scans a drive for file system errors and bad sectors. When run with repair flags (e.g., chkdsk /f /r), it fixes logical file system errors and attempts to recover data from bad sectors, marking them so the OS avoids writin

Question

A technician is troubleshooting a workstation's hard drive with multiple read/write failures. Which of the following can be used to repair the hard drive?

Options

Aformat
Bdiskpart
Cdefrag
Dchkdsk

Explanation

The chkdsk (Check Disk) command is a Windows utility that scans a drive for file system errors and bad sectors. When run with repair flags (e.g., chkdsk /f /r), it fixes logical file system errors and attempts to recover data from bad sectors, marking them so the OS avoids writing to them in the future - directly addressing read/write failures. The other tools serve different purposes: format wipes and reinitializes the drive, destroying data without repairing it; diskpart is a partition management tool used for creating, deleting, or resizing partitions; and defrag (Disk Defragmenter) reorganizes fragmented data for performance improvement but does not fix bad sectors or file system errors.

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