220-1102 Operating Systems Practice Question
A technician has prepared a reference Windows 10 Pro installation on a computer and has run Sysprep to generalize the image. The technician now needs to capture the generalized image to a .wim file that can be deployed to other computers on the network. Which built-in command-line tool should the technician use?
⚠ Common exam trap
Many exam-takers confuse sfc with DISM because both are command-line system tools, but sfc is only for file integrity repair, not for image capture or deployment tasks.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
dism
DISM (Deployment Imaging Service and Management Tool) is the correct built-in command-line tool to capture a generalized Windows image to a .wim file. After running Sysprep with the /generalize option, the technician uses `dism /Capture-Image /ImageFile:install.wim /CaptureDir:C:\ /Name:Windows10Pro` to create the deployable image. DISM is specifically designed for servicing and capturing Windows images, making it the appropriate choice for this task.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
dism
Why this is correct
DISM (Deployment Imaging Servicing and Management) is the correct choice because it can capture a customized Windows 10 Pro installation into a .wim or .esd file using the 'dism /capture-image' command from a Windows PE environment. After running sysprep to generalize the system, DISM captures the partition and applies it to target machines efficiently. Unlike repair utilities, DISM is purpose-built for capturing and servicing Windows images at scale.
- ✗
sfc
Why it's wrong here
System File Checker (sfc) is a maintenance utility that verifies the integrity of protected operating system files and restores corrupted files from the WinSxS store or the Windows Recovery Environment. It cannot produce a disk image of the entire system, nor does it have any capture or deployment functionality. Its scope is limited to file-level repair on a live or offline system, not hardware-abstracted imaging of a prepared Windows reference installation.
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chkdsk
Why it's wrong here
The chkdsk command scans volumes for file system corruption, bad sectors, and logical errors, and attempts to repair issues to keep the disk healthy. It is a diagnostic and recovery tool, not an imaging tool; it cannot snapshot the OS configuration, installed applications, or user data into a deployable image file. Chkdsk is useful for validating the source disk before capture, but it does not perform the capture itself.
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gpupdate
Why it's wrong here
gpupdate /force refreshes local and Active Directory-based Group Policy settings on a running Windows machine, reapplying administrative policy changes immediately. It does not interact with the filesystem at the imaging level, and it cannot create a .wim or .vhd image of the reference installation. Group Policy refresh is a close-enough-sounding but entirely unrelated administrative operation.
Go deeper
Related to this question
Learn chapter
Windows Services Management
Key term
Windows
Windows is a family of operating systems developed by Microsoft that manages computer hardware and software, providing a graphical user interface for users to interact with their devices.
Key term
Image
An image is a complete snapshot of a system's operating system, applications, and settings, used to deploy or restore computing environments quickly.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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