CompTIA
220-802 · Question #494
220-802 Question #494: Real Exam Question with Answer & Explanation
The correct answer is B: CHKDSK. CHKDSK is the Windows command-line utility that scans a disk for file system errors and can remap bad sectors by marking them as unusable and redirecting data to healthy sectors.
Question
A technician has found bad sectors on a hard drive. Which of the following command line tools could MOST likely remap bad sectors to fix this hard drive issue?
Options
- AFIXMBR
- BCHKDSK
- CDISKPART
- DFDISK
Explanation
CHKDSK is the Windows command-line utility that scans a disk for file system errors and can remap bad sectors by marking them as unusable and redirecting data to healthy sectors.
Common mistakes.
- A. FIXMBR writes a new Master Boot Record and does not interact with sector-level disk health.
- C. DISKPART manages partitions and volumes but does not perform sector scanning or remapping.
- D. FDISK is a legacy partition management tool with no capability to detect or remap bad sectors.
Concept tested. CHKDSK bad-sector detection and remapping
Reference. https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/chkdsk
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