Quick Answer
The answer is automation rules with a playbook, as this combination provides the automated response capability needed to isolate a compromised domain controller VM in Microsoft Sentinel. Automation rules listen for an incident created by an analytics rule and then trigger a playbook—a workflow built on Azure Logic Apps—that can execute actions like running a script to disable the VM’s network interfaces or apply a network security group to quarantine it. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of the Sentinel response pipeline, where analytics rules detect but do not act, while automation rules bridge detection to remediation. A common trap is confusing analytics rules with response features; remember that analytics only generate alerts, not actions. For a memory tip, think “detect with analytics, respond with automation,” and recall that playbooks are the muscle that actually isolates the VM.
This SC-100 practice question tests your understanding of design security solutions for infrastructure. 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 Sentinel for security operations. You need to design a solution to automatically respond to a confirmed compromise of a domain controller by isolating the affected VM. Which automation feature should you use?
Automation rules with a playbook
Automation rules trigger playbooks for automated response actions.
Analytics rules with incident creation
Why wrong: Analytics rules create incidents but do not automatically respond.
Hunting queries
Why wrong: Hunting queries are for manual threat hunting.
Workbooks
Why wrong: Workbooks are for dashboards and reporting.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Automation rules with a playbook
Option A is correct because automation rules can trigger a playbook that runs a script to isolate the VM. Option B is wrong because analytics rules generate alerts but do not respond. Option C is wrong because workbooks visualize data. Option D is wrong because hunting queries are for proactive searches.
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.
Automation rules with a playbook
Why this is correct
Automation rules trigger playbooks for automated response actions.
Related concept
Read the scenario before looking for a memorised answer.
Analytics rules with incident creation
Why it's wrong here
Analytics rules create incidents but do not automatically respond.
Hunting queries
Why it's wrong here
Hunting queries are for manual threat hunting.
Workbooks
Why it's wrong here
Workbooks are for dashboards and reporting.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
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.
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FAQ
Design security solutions for infrastructure — This question tests Design security solutions for infrastructure — Read the scenario before looking for a memorised answer..
The correct answer is: Automation rules with a playbook — Option A is correct because automation rules can trigger a playbook that runs a script to isolate the VM. Option B is wrong because analytics rules generate alerts but do not respond. Option C is wrong because workbooks visualize data. Option D is wrong because hunting queries are for proactive searches.
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.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 21, 2026
This SC-100 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-100 exam.
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