- A
Devices must be onboarded to Microsoft Defender for Endpoint.
Automatic attack disruption works on Defender for Endpoint devices.
- B
Microsoft Purview compliance portal must be configured.
Why wrong: Not required for attack disruption.
- C
Users must have Azure AD Premium P2 licenses.
Why wrong: Not a prerequisite for attack disruption.
- D
Microsoft Sentinel must be enabled and connected to Defender XDR.
Why wrong: Automatic attack disruption works within Defender XDR, not Sentinel.
Question 733 of 1,639
Prerequisite for Automatic Attack Disruption
This SC-200 practice question tests your understanding of respond to security incidents. 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.
During an incident, an analyst wants to use Microsoft Defender XDR's automatic attack disruption to contain an ongoing attack. What prerequisite must be met?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Devices must be onboarded to Microsoft Defender for Endpoint.
Microsoft Defender XDR's automatic attack disruption relies on Microsoft Defender for Endpoint (MDE) signals to automatically contain compromised devices or user accounts. Devices must be onboarded to MDE so that the high-confidence alerts (e.g., from ransomware or lateral movement) can trigger automated containment actions like device isolation or blocking an IP. Without MDE onboarding, the attack disruption engine has no endpoint telemetry or remediation capability to act upon.
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.
- ✓
Devices must be onboarded to Microsoft Defender for Endpoint.
Why this is correct
Automatic attack disruption works on Defender for Endpoint devices.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Purview compliance portal must be configured.
Why it's wrong here
Not required for attack disruption.
- ✗
Users must have Azure AD Premium P2 licenses.
Why it's wrong here
Not a prerequisite for attack disruption.
- ✗
Microsoft Sentinel must be enabled and connected to Defender XDR.
Why it's wrong here
Automatic attack disruption works within Defender XDR, not Sentinel.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the broader Microsoft security ecosystem (Purview, Sentinel, Azure AD P2) as prerequisites for Defender XDR's automated response, when in fact the core requirement is simply having devices onboarded to Microsoft Defender for Endpoint.
Detailed technical explanation
How to think about this question
Automatic attack disruption in Defender XDR uses a machine learning model that correlates signals across endpoints, identities, and email to detect high-fidelity attack patterns (e.g., ransomware, human-operated attacks). When triggered, it executes automated response actions like device isolation via the MDE sensor API or disabling a user account via Azure AD, but the prerequisite is that the endpoint sensor (MsSense.exe) is installed and reporting to MDE. A real-world scenario: if an attacker deploys ransomware on a non-MDE onboarded device, Defender XDR cannot isolate it, and the attack disruption feature will not fire.
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
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
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FAQ
Questions learners often ask
What does this SC-200 question test?
Respond to security incidents — This question tests Respond to security incidents — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Devices must be onboarded to Microsoft Defender for Endpoint. — Microsoft Defender XDR's automatic attack disruption relies on Microsoft Defender for Endpoint (MDE) signals to automatically contain compromised devices or user accounts. Devices must be onboarded to MDE so that the high-confidence alerts (e.g., from ransomware or lateral movement) can trigger automated containment actions like device isolation or blocking an IP. Without MDE onboarding, the attack disruption engine has no endpoint telemetry or remediation capability to act upon.
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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Last reviewed: Jul 4, 2026
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