The answer is isolate the device, run a full antivirus scan, and collect an investigation package. These three remediation actions are available directly from the Microsoft 365 Defender incident interface because they are native Defender for Endpoint device-level responses designed to contain and analyze a confirmed malware infection without requiring external management tools. On the SC-200 exam, this question tests your understanding of the incident response workflow and the specific actions that can be triggered from the unified portal, often appearing as a multiple-select item where you must distinguish between Defender actions and broader Microsoft 365 capabilities. A common trap is confusing device wipe or password reset as available options—these belong to Intune and Azure AD respectively, not to Defender for Endpoint. Remember the mnemonic “ISC” for Isolate, Scan, Collect to quickly recall the three direct remediation actions from an incident.
SC-200 Respond to security incidents Practice Question
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.
Your team uses Microsoft Defender for Endpoint. An incident involving a device is identified as a high-severity malware infection. Which THREE remediation actions can be performed directly from the incident in Microsoft 365 Defender?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Collect an investigation package from the device.
Options A, C, and E are correct because Microsoft 365 Defender incident response actions include isolating the device, running antivirus scan, and collecting investigation package. Option B is wrong because device wipe is not a standard Defender for Endpoint action (it's Intune). Option D is wrong because resetting password is for user accounts, not devices.
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.
✗
Wipe the device remotely.
Why it's wrong here
Available via Intune, not directly in Defender for Endpoint.
✓
Collect an investigation package from the device.
Why this is correct
Action to gather forensic data.
Related concept
Read the scenario before looking for a memorised answer.
✓
Isolate the device from the network.
Why this is correct
Standard containment action in Defender for Endpoint.
Related concept
Read the scenario before looking for a memorised answer.
✓
Run a full antivirus scan on the device.
Why this is correct
Action available in Defender for Endpoint.
Related concept
Read the scenario before looking for a memorised answer.
✗
Reset the device's local administrator password.
Why it's wrong here
Not a Defender for Endpoint action.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
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.
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: Collect an investigation package from the device. — Options A, C, and E are correct because Microsoft 365 Defender incident response actions include isolating the device, running antivirus scan, and collecting investigation package. Option B is wrong because device wipe is not a standard Defender for Endpoint action (it's Intune). Option D is wrong because resetting password is for user accounts, not devices.
What should I do if I get this SC-200 question wrong?
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.
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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