220-1202 Practice Question: A technician is troubleshooting a Windows 11…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

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  System File Checker (sfc /scannow)

  Why it's wrong here

  System File Checker (SFC) is designed to scan for and repair corrupted or missing protected Windows system files, replacing them with correct versions from the component store. While vital for maintaining the integrity of the operating system's core files, SFC does not interact with or repair the Boot Configuration Data (BCD) store, which is a distinct boot-time database. Therefore, it cannot resolve issues related to a missing or corrupted BCD that prevents the system from booting.

• ✓

  Bootrec (bootrec /rebuildbcd)

  Why this is correct

  The `bootrec` command-line utility, specifically with the `/rebuildbcd` switch, is the dedicated tool for diagnosing and repairing boot environment problems in Windows. This command scans all disks for compatible Windows installations and allows the user to add them to a newly created or repaired Boot Configuration Data (BCD) store. It directly addresses scenarios where the BCD is missing or corrupted, preventing the system from locating and loading the operating system.

• ✗

  DISM (DISM /Online /Cleanup-Image /RestoreHealth)

  Why it's wrong here

  Deployment Image Servicing and Management (DISM) is primarily used to prepare, modify, and repair Windows images, including the component store that stores files for Windows features and updates. The `/RestoreHealth` command attempts to fix corruption within the Windows image itself, often by leveraging Windows Update. However, DISM's scope is the integrity of the *installed operating system files* and the component store, not the boot sector or the Boot Configuration Data (BCD) store, which are distinct boot-time components.

• ✗

  Diskpart (diskpart /s script.txt)

  Why it's wrong here

  Diskpart is a powerful command-line utility used for managing disk partitions, volumes, and drives, enabling actions such as creating, deleting, formatting, and assigning drive letters. While it is crucial for preparing storage media for an operating system installation or resolving partition-related issues, Diskpart lacks the functionality to repair or rebuild boot-specific files or the Boot Configuration Data (BCD) store. Its purpose is structural disk management, not the logical repair of boot components.

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