MD-102 Prepare infrastructure for devices Practice Question
This MD-102 practice question tests your understanding of prepare infrastructure for devices. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are configuring Windows Autopilot for new devices. The devices need to be automatically enrolled in Intune and assigned to a specific group based on their serial number. What is the required step before the devices can be recognized by Autopilot?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Register the devices using their hardware hash in the Microsoft Intune admin center.
Before Windows Autopilot can recognize and automatically enroll devices, they must be registered as Autopilot devices. This is done by uploading their hardware hash (a unique identifier derived from the device's TPM and other hardware) into the Microsoft Intune admin center. Once registered, the device is associated with an Autopilot profile and can be automatically enrolled in Intune and assigned to a group based on its serial number during the out-of-box experience.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Configure Intune enrollment for all users using device enrollment managers.
Why it's wrong here
This is not specific to Autopilot.
✓
Register the devices using their hardware hash in the Microsoft Intune admin center.
Why this is correct
Hardware hash registration is the standard method.
Related concept
Read the scenario before looking for a memorised answer.
✗
Join the devices to Microsoft Entra ID manually before shipping.
Why it's wrong here
Manual join defeats the purpose of Autopilot.
✗
Upload a CSV file with device serial numbers to Microsoft Entra ID.
Why it's wrong here
Serial numbers alone are insufficient; hardware hash is required.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse device registration (uploading the hardware hash) with device enrollment (assigning users or policies), or mistakenly think that simply listing serial numbers in a CSV is sufficient for Autopilot recognition.
Detailed technical explanation
How to think about this question
The hardware hash is a Base64-encoded string generated by the `Get-WindowsAutopilotInfo` PowerShell script or via the OEM's manufacturing process. It includes the device's TPM endorsement key, serial number, and other hardware identifiers, which are hashed together to create a unique fingerprint. This hash is stored in the Autopilot service, and during OOBE, the device sends its hash to Microsoft to retrieve its profile, enabling automatic enrollment and group assignment based on dynamic rules (e.g., serial number).
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MD-102 question in full detail.
Prepare infrastructure for devices — This question tests Prepare infrastructure for devices — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Register the devices using their hardware hash in the Microsoft Intune admin center. — Before Windows Autopilot can recognize and automatically enroll devices, they must be registered as Autopilot devices. This is done by uploading their hardware hash (a unique identifier derived from the device's TPM and other hardware) into the Microsoft Intune admin center. Once registered, the device is associated with an Autopilot profile and can be automatically enrolled in Intune and assigned to a group based on its serial number during the out-of-box experience.
What should I do if I get this MD-102 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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