The correct answer is to create a suppression rule for that alert type and entity. This works because suppression rules in Defender for Identity allow you to define conditions—such as a specific alert type and the associated entity (like a domain controller)—that, when matched, automatically close future alerts without generating noise. On the MS-102 exam, this scenario tests your ability to distinguish between alert management tools: suppression rules prevent false positives, while detection rules create new custom alerts. A common trap is confusing suppression with disabling the sensor or changing severity, but neither stops the alert from firing. Remember the memory tip: "Suppress the source, not the sensor"—you target the specific alert and entity, not the entire monitoring capability.
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. 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.
Your organization uses Microsoft Defender for Identity. You receive an alert about a suspicious LDAP query from a domain controller. After investigating, you determine the query is legitimate. How should you prevent future alerts for this activity?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a suppression rule for that alert type and entity.
Option C is correct because creating a suppression rule for the specific alert type and entity prevents future false positives. Option A is wrong because disabling the sensor would stop all monitoring. Option B is wrong because modifying the alert severity does not suppress the alert. Option D is wrong because creating a detection rule is for custom detections, not suppression.
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 suppression rule for that alert type and entity.
Why this is correct
Suppression rules prevent future alerts for that specific activity.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a custom detection rule to allow the LDAP query.
Why it's wrong here
Custom detection rules create new alerts, not suppress existing ones.
✗
Disable the Defender for Identity sensor on the domain controller.
Why it's wrong here
Disabling the sensor stops all monitoring.
✗
Change the alert severity to Low.
Why it's wrong here
Changing severity does not suppress the alert.
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: Create a suppression rule for that alert type and entity. — Option C is correct because creating a suppression rule for the specific alert type and entity prevents future false positives. Option A is wrong because disabling the sensor would stop all monitoring. Option B is wrong because modifying the alert severity does not suppress the alert. Option D is wrong because creating a detection rule is for custom detections, not suppression.
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.
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Question Discussion
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