Quick Answer
The answer is Microsoft Defender XDR custom detection rule, because this feature is specifically designed to create KQL-based detections that trigger when a specific process execution occurs across multiple devices within a defined time window. Custom detection rules operate on advanced hunting schema data, allowing you to write queries that aggregate process creation events across your entire device fleet and set alert thresholds based on device count or frequency. On the SC-200 exam, this question tests your ability to distinguish between Defender XDR’s native detection capabilities and Microsoft Sentinel’s scheduled analytics rules, which are a common distractor. A frequent trap is confusing hunting queries with custom detections—remember that hunting queries are ad-hoc investigations that do not generate alerts, while custom detection rules are persistent and alert-enabled. For a memory tip, think “Custom = Continuous KQL alerting across devices; Hunting = One-time KQL search without alerts.”
This SC-200 practice question tests your understanding of manage a security operations environment. 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 SOC uses Microsoft Defender XDR. You need to create a custom detection rule that triggers when a specific process is executed on multiple devices within an hour. Which feature should you use?
Advanced hunting query
Why wrong: Hunting queries are for manual investigation, not automated alerting.
Microsoft Sentinel scheduled analytics rule
Why wrong: Sentinel rules are for Sentinel workspace, not directly in Defender XDR.
Attack simulation training
Why wrong: Attack simulation is for training, not detection.
Microsoft Defender XDR custom detection rule
Custom detections in Defender XDR allow creation of detection rules using KQL.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Microsoft Defender XDR custom detection rule
Option B is correct because Custom detection rules in Microsoft Defender XDR allow KQL-based detection across devices. Option A is wrong because Scheduled analytics rules are in Sentinel. Option C is wrong because Hunting queries don't create alerts. Option D is wrong because Attack simulation is for testing.
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.
Advanced hunting query
Why it's wrong here
Hunting queries are for manual investigation, not automated alerting.
Microsoft Sentinel scheduled analytics rule
Why it's wrong here
Sentinel rules are for Sentinel workspace, not directly in Defender XDR.
Attack simulation training
Why it's wrong here
Attack simulation is for training, not detection.
Microsoft Defender XDR custom detection rule
Why this is correct
Custom detections in Defender XDR allow creation of detection rules using KQL.
Related concept
Read the scenario before looking for a memorised answer.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which SC-200 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.
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FAQ
Manage a security operations environment — This question tests Manage a security operations environment — Read the scenario before looking for a memorised answer..
The correct answer is: Microsoft Defender XDR custom detection rule — Option B is correct because Custom detection rules in Microsoft Defender XDR allow KQL-based detection across devices. Option A is wrong because Scheduled analytics rules are in Sentinel. Option C is wrong because Hunting queries don't create alerts. Option D is wrong because Attack simulation is for testing.
Identify which SC-200 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.
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Last reviewed: Jun 21, 2026
This SC-200 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 SC-200 exam.
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