The answer is to configure the app as unsanctioned in Defender for Cloud Apps and create a session policy to block downloads. This works because marking an app as unsanctioned immediately revokes access tokens and enables granular session controls, while a session policy specifically intercepts user activity in real time to prevent file downloads without blocking the entire app. On the MS-102 exam, this scenario tests your understanding of how Defender for Cloud Apps integrates with Azure AD Conditional Access via app control—a common trap is confusing unsanctioning with a simple block, when in fact unsanctioning unlocks session-level actions like download prevention. Remember that blocking by IP is ineffective for cloud apps with dynamic addresses, and DLP policies protect data but don’t block app usage. A quick memory tip: unsanction the app first to enable the control, then apply a session policy to stop the download.
MS-102 Practice Question: Manage security and threats by using Microsoft Defender XDR
This MS-102 practice question tests your understanding of manage security and threats by using microsoft defender xdr. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Your organization has Microsoft 365 E5 and uses Microsoft Defender for Cloud Apps. You want to block downloads from an unsanctioned cloud app that is used by some employees. What should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure the app as unsanctioned in Defender for Cloud Apps and create a session policy to block downloads.
Option A is correct because you can unsanction the app in Defender for Cloud Apps, which will block access and provide controls like session policies. Option B is wrong because blocking by IP address is not effective for cloud apps with dynamic IPs. Option C is wrong because a conditional access policy can require controls but does not directly block an unsanctioned app. Option D is wrong because a DLP policy protects data but does not block app usage.
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.
✗
Create a DLP policy to block sharing of sensitive data with the app.
Why it's wrong here
DLP protects data but does not block the app itself.
✗
Create a conditional access policy to require the use of managed apps.
Why it's wrong here
Conditional access can require app protection but does not directly block an unsanctioned app.
✗
Block the app by its IP addresses in the firewall.
Why it's wrong here
Cloud apps often use many IPs, making this impractical.
✓
Configure the app as unsanctioned in Defender for Cloud Apps and create a session policy to block downloads.
Why this is correct
Unsanctioning an app and applying session policies allows you to block downloads and control usage.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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.
Identify which MS-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Manage security and threats by using Microsoft Defender XDR — This question tests Manage security and threats by using Microsoft Defender XDR — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure the app as unsanctioned in Defender for Cloud Apps and create a session policy to block downloads. — Option A is correct because you can unsanction the app in Defender for Cloud Apps, which will block access and provide controls like session policies. Option B is wrong because blocking by IP address is not effective for cloud apps with dynamic IPs. Option C is wrong because a conditional access policy can require controls but does not directly block an unsanctioned app. Option D is wrong because a DLP policy protects data but does not block app usage.
What should I do if I get this MS-102 question wrong?
Identify which MS-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. An organization uses Microsoft Defender for Cloud Apps to monitor shadow IT. They want to enforce policies that block downloads from risky cloud apps. Which Microsoft Defender XDR component provides this capability?
medium
✓ A.Microsoft Defender for Cloud Apps
B.Microsoft Defender for Endpoint
C.Microsoft Defender for Identity
D.Microsoft Defender for Office 365
Why A: Microsoft Defender for Cloud Apps is the correct component because it is specifically designed to provide visibility into shadow IT and enforce policies on cloud applications. Its 'Governance' actions include blocking downloads from risky apps by integrating with the cloud app's API to prevent data exfiltration, which directly addresses the requirement.
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Question Discussion
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