The answer is to create a playbook in Microsoft Sentinel using Azure Logic Apps. This is correct because a playbook provides the automated workflow logic needed to execute a response action, such as isolating a device in Microsoft Defender for Endpoint, when a ransomware incident is detected. While an automation rule can trigger the playbook, it lacks the underlying logic to perform the isolation itself. On the Microsoft Cybersecurity Architect exam, this question tests your understanding of the distinct roles within Sentinel’s automation framework: automation rules act as triggers, while playbooks (built on Logic Apps) contain the actionable steps. A common trap is confusing automation rules with playbooks, so remember that rules fire the playbook, but the playbook does the work. Memory tip: Think of the playbook as the script and the automation rule as the stage manager who calls the actor on stage.
SC-100 Practice Question: Design security operations, identity, and compliance capabilities
This SC-100 practice question tests your understanding of design security operations, identity, and compliance capabilities. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 Sentinel. You need to design a solution that automatically responds to a detected ransomware incident by isolating the affected device in Microsoft Defender for Endpoint. Which tool should you use to create the automated response?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a playbook in Microsoft Sentinel using Azure Logic Apps.
Option C is correct because a playbook in Microsoft Sentinel (based on Azure Logic Apps) can automate responses like device isolation. Option A (automation rule) triggers the playbook but does not contain the logic. Option B (hunting query) is for detection. Option D (workbook) is for visualization.
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 workbook in Microsoft Sentinel.
Why it's wrong here
Workbooks are for dashboards and reporting.
✓
Create a playbook in Microsoft Sentinel using Azure Logic Apps.
Why this is correct
Playbooks contain the logic to execute automated responses like device isolation.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create an automation rule in Microsoft Sentinel.
Why it's wrong here
Automation rules trigger playbooks but do not contain the response logic.
✗
Create a hunting query in Microsoft Sentinel.
Why it's wrong here
Hunting queries are for proactive threat hunting, not response.
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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
Identify which SC-100 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.
Design security operations, identity, and compliance capabilities — This question tests Design security operations, identity, and compliance capabilities — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a playbook in Microsoft Sentinel using Azure Logic Apps. — Option C is correct because a playbook in Microsoft Sentinel (based on Azure Logic Apps) can automate responses like device isolation. Option A (automation rule) triggers the playbook but does not contain the logic. Option B (hunting query) is for detection. Option D (workbook) is for visualization.
What should I do if I get this SC-100 question wrong?
Identify which SC-100 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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