The correct answer is the incident automation rule. This is because incident automation rules in Microsoft Sentinel are specifically designed to trigger automated responses, such as running a playbook, when an incident is created or updated. In this scenario, the Defender for Cloud alert generates an incident in Sentinel, so an incident automation rule can be configured to automatically execute a playbook that blocks the attacker’s IP via a firewall, without needing to alter the underlying analytics rule. On the SC-200 exam, this distinction tests your understanding of the automation hierarchy: analytics rule automation runs during alert creation, while incident automation runs after an incident is formed. A common trap is confusing these two, but remember that if the trigger is an existing incident—not an alert—you must use an incident automation rule. Memory tip: “Incident automation for incidents, analytics automation for alerts.”
SC-200 Mitigate threats using Microsoft Sentinel Practice Question
This SC-200 practice question tests your understanding of mitigate threats using microsoft sentinel. 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.
An organization uses Microsoft Sentinel with the Microsoft Defender for Cloud connector enabled. A security analyst receives an alert from Defender for Cloud about a potential brute-force attack on an Azure VM. The analyst wants to automatically create an incident in Sentinel and trigger a playbook that blocks the attacker's IP using a firewall. Which type of Sentinel automation rule should the analyst configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Incident automation rule
Incident automation rules in Microsoft Sentinel allow you to automatically trigger a playbook when an incident is created or updated. Since the Defender for Cloud alert generates an incident in Sentinel, an incident automation rule can be configured to run a playbook that blocks the attacker's IP via a firewall, meeting the requirement without needing to modify the analytics rule itself.
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.
✗
Analytics rule automation
Why it's wrong here
Analytics rules define conditions for generating incidents; they do not have built-in automation to trigger playbooks on incident creation.
✓
Incident automation rule
Why this is correct
Incident automation rules run on incident creation or update and can trigger playbooks to respond to threats, such as blocking an IP.
Related concept
Read the scenario before looking for a memorised answer.
✗
Playbook trigger
Why it's wrong here
This term is not a standard automation rule type in Sentinel; playbooks are triggered by automation rules or directly from incidents.
✗
Custom log ingestion
Why it's wrong here
Custom log ingestion brings in external data, not automation responses.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing 'analytics rule automation' with 'incident automation rule'—candidates often think the automation must be tied to the rule that generated the alert, but Sentinel separates alert generation (analytics rules) from incident-level actions (incident automation rules).
Detailed technical explanation
How to think about this question
Incident automation rules in Sentinel evaluate conditions on incident creation or update (e.g., severity, title) and can invoke playbooks via the Microsoft Sentinel connector. The playbook itself uses the Azure Firewall or network security group (NSG) API to add a deny rule for the attacker's IP. Under the hood, the automation rule triggers an Azure Logic Apps workflow that authenticates via managed identity or service principal to modify firewall policies.
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.
TExam Day Tips
→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
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Mitigate threats using Microsoft Sentinel — This question tests Mitigate threats using Microsoft Sentinel — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Incident automation rule — Incident automation rules in Microsoft Sentinel allow you to automatically trigger a playbook when an incident is created or updated. Since the Defender for Cloud alert generates an incident in Sentinel, an incident automation rule can be configured to run a playbook that blocks the attacker's IP via a firewall, meeting the requirement without needing to modify the analytics rule itself.
What should I do if I get this SC-200 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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