The answer is a Conditional Access policy requiring an approved client app for Teams. This is correct because even when a device is fully Intune-compliant, a Conditional Access policy can enforce a more granular check—specifically, that only an approved client app, such as the official Microsoft Teams app, may be used. Since the user can access other Microsoft 365 services, the block is isolated to Teams, ruling out a device-level compliance issue. On the MS-102 exam, this scenario tests your understanding that Conditional Access policies can target specific cloud apps and require approved apps, not just compliant devices. A common trap is assuming device compliance alone guarantees access; remember that an approved client app policy overrides device compliance for the targeted app. Memory tip: “Compliant device? Still blocked if the app isn’t approved.”
MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. 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.
A user reports that they cannot access Microsoft Teams from their mobile device. Other Microsoft 365 services work fine. You verify that the device is compliant with Intune policies. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A Conditional Access policy requires an approved client app for Teams
Option C is correct because a Conditional Access policy requiring an approved client app for Microsoft Teams would block access from a mobile device even if the device is Intune-compliant, as the policy specifically checks for the use of an approved app (e.g., the official Microsoft Teams app) rather than just device compliance. Since the user can access other Microsoft 365 services, the issue is isolated to Teams, and the device compliance status rules out broader device-level blocks.
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.
✗
The user's authentication method is not registered for Microsoft Entra ID
Why it's wrong here
Authentication methods affect sign-in, not app-specific access.
✗
The Microsoft Teams service is degraded
Why it's wrong here
Service degradation would affect many users, not just one.
✓
A Conditional Access policy requires an approved client app for Teams
Why this is correct
If the Teams app is not approved or protected, access is blocked.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The device is not enrolled in Microsoft Intune
Why it's wrong here
The device is compliant, so it is enrolled.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume device compliance alone guarantees access, overlooking that Conditional Access policies can impose app-level requirements that are separate from device health checks.
Detailed technical explanation
How to think about this question
Conditional Access policies in Microsoft Entra ID can enforce 'Require approved client app' for specific cloud apps like Teams, which uses the Azure AD device token and app attestation to verify the client app's identity. This policy is independent of device compliance and can block mobile access even if the device is compliant, as it checks the app's capability to enforce app-level restrictions (e.g., preventing jailbroken devices or sideloaded apps). In practice, this is often used alongside Intune app protection policies to ensure data is only accessed through managed apps.
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 MS-102 question in full detail.
Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A Conditional Access policy requires an approved client app for Teams — Option C is correct because a Conditional Access policy requiring an approved client app for Microsoft Teams would block access from a mobile device even if the device is Intune-compliant, as the policy specifically checks for the use of an approved app (e.g., the official Microsoft Teams app) rather than just device compliance. Since the user can access other Microsoft 365 services, the issue is isolated to Teams, and the device compliance status rules out broader device-level blocks.
What should I do if I get this MS-102 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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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