Quick Answer
The answer is to configure an activity policy in Defender for Cloud Apps to detect anomalous file downloads. This is correct because activity policies allow you to define specific behavioral thresholds—such as a user downloading more than 100 files from SharePoint Online within 10 minutes—and trigger alerts when those thresholds are exceeded, directly addressing the need to detect unusual bulk download patterns. On the Microsoft 365 Administrator MS-102 exam, this question tests your ability to distinguish between policy types: anomaly detection policies (which use machine learning for baseline deviations) are often confused with activity policies, but activity policies are the precise tool for setting custom numeric thresholds like file count limits. A common trap is selecting an anomaly detection policy, which is broader and less configurable for exact counts, or session policies, which control real-time access rather than alerting on past behavior. Memory tip: think "Activity = Action + Amount" to remember that activity policies let you set exact action counts, while anomaly policies look for "weird" patterns.
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 uses Microsoft Defender for Cloud Apps. You need to generate alerts when a user downloads more than 100 files from SharePoint Online within 10 minutes. What should you configure?
Create an activity policy
Activity policies can detect anomalous download activity.
Create an app discovery policy
Why wrong: App discovery identifies cloud apps.
Create a session policy
Why wrong: Session policies control access in real-time.
Create an OAuth app policy
Why wrong: OAuth app policies manage app permissions.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create an activity policy
Option C is correct because an anomaly detection policy in Defender for Cloud Apps can detect such activity. Option A is wrong because app discovery policies identify apps. Option B is wrong because session policies control access. Option D is wrong because OAuth app policies manage app permissions.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Create an activity policy
Why this is correct
Activity policies can detect anomalous download activity.
Related concept
Read the scenario before looking for a memorised answer.
Create an app discovery policy
Why it's wrong here
App discovery identifies cloud apps.
Create a session policy
Why it's wrong here
Session policies control access in real-time.
Create an OAuth app policy
Why it's wrong here
OAuth app policies manage app permissions.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
What to study next
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 — study guide chapter
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FAQ
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..
The correct answer is: Create an activity policy — Option C is correct because an anomaly detection policy in Defender for Cloud Apps can detect such activity. Option A is wrong because app discovery policies identify apps. Option B is wrong because session policies control access. Option D is wrong because OAuth app policies manage app permissions.
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.
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
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. Your organization uses Microsoft Defender for Cloud Apps. You want to detect when a user accesses a sanctioned cloud app from an anonymous IP address. What should you configure?
easyWhy D: Option A is correct because an activity policy can detect access from anonymous IP addresses. Option B is wrong because app discovery identifies cloud apps, not detect anomalous access. Option C is wrong because session policies control access, not generate alerts. Option D is wrong because cloud discovery shadow IT reports show discovered apps.
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Last reviewed: Jun 21, 2026
This MS-102 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-102 exam.
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