SC-100 Design a Zero Trust strategy and architecture Practice Question
This SC-100 practice question tests your understanding of design a zero trust strategy and architecture. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
An organization is implementing a Zero Trust identity strategy. They have a mix of on-premises Active Directory and Azure AD. They want to enforce conditional access policies that require device compliance for accessing sensitive apps. However, some users report that their devices are not being evaluated for compliance even though they are enrolled in Microsoft Intune. What should the organization check first?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Verify that devices are registered in Azure AD
Device compliance evaluation in a hybrid identity environment requires that devices are registered in Azure AD (Azure AD Registration) so that Azure AD can associate the device identity with Intune compliance data. Even if a device is enrolled in Intune, without Azure AD registration, Conditional Access policies cannot evaluate its compliance status because the device identity is not recognized by Azure AD during authentication.
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.
✗
Ensure Intune compliance policies are assigned to the correct user groups
Why it's wrong here
Compliance policies are needed but the device must be registered first.
✗
Confirm that devices are Azure AD Joined
Why it's wrong here
Azure AD Registered devices can also be evaluated for compliance; Azure AD Join is not mandatory.
✗
Check if users have enabled multi-factor authentication
Why it's wrong here
MFA is a separate control and does not affect device compliance evaluation.
✓
Verify that devices are registered in Azure AD
Why this is correct
Device registration in Azure AD is required for conditional access to evaluate device compliance.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume Intune enrollment alone is sufficient for device compliance evaluation, but Azure AD registration is the prerequisite that links the device identity to Azure AD for Conditional Access to enforce compliance policies.
Detailed technical explanation
How to think about this question
Azure AD Registration creates a device object in Azure AD that is linked to the user, allowing Conditional Access to check the device's compliance status via the 'Require device to be marked as compliant' grant control. Under the hood, the device must present its Azure AD registration token during authentication; without it, Azure AD cannot query Intune for the device's compliance state. In hybrid scenarios, devices that are only enrolled in Intune but not registered in Azure AD will fail compliance checks because the device identity is missing from Azure AD's directory.
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 SC-100 question in full detail.
Design a Zero Trust strategy and architecture — This question tests Design a Zero Trust strategy and architecture — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Verify that devices are registered in Azure AD — Device compliance evaluation in a hybrid identity environment requires that devices are registered in Azure AD (Azure AD Registration) so that Azure AD can associate the device identity with Intune compliance data. Even if a device is enrolled in Intune, without Azure AD registration, Conditional Access policies cannot evaluate its compliance status because the device identity is not recognized by Azure AD during authentication.
What should I do if I get this SC-100 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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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