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Difficulty: MediumMicrosoft Command-Line Tools

A desktop technician is troubleshooting a Windows 11 workstation that experiences file read errors on an internal secondary magnetic hard drive (drive D:). The technician suspects physical bad sectors on the disk surface and needs to run a diagnostic tool that will locate these bad sectors, recover readable information, and fix detected file system errors on drive D:. Which of the following commands should the technician execute in an elevated Command Prompt?

  1. chkdsk D: /rAnswer
  2. B
    chkdsk D: /f
  3. C
    fsck /dev/sdb1
  4. D
    dfrgui

Answer

Executing chkdsk D: /r in an elevated Command Prompt locates bad sectors, recovers readable data, and repairs file system errors on drive D:.
The chkdsk D: /r command is the correct choice because the /r switch scans the physical surface of the target drive (D:) for bad sectors, attempts to read and recover readable data from damaged areas, and implicitly performs all repairs included in the /f switch.

Step-by-Step Solution

1
Identify the troubleshooting objective
The goal is to scan drive D: for physical bad sectors, recover readable data, and repair file system corruption.
Different command switches alter the depth and focus of disk diagnostics.
2
Evaluate the Windows Check Disk (chkdsk) switches
The /r switch performs a full physical surface scan for bad sectors and recovers readable information, while automatically implying and executing the repair functions of the /f switch.
Using /r provides a comprehensive surface scan and data recovery operation essential for magnetic storage issues.

Key Concept

Windows Check Disk (chkdsk) utility switches and capabilities
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Topics

Microsoft Command-Line Tools

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