The answer is that the device must be onboarded to Microsoft Defender for Endpoint, the user must be assigned a role with live response permissions under Microsoft 365 Defender RBAC, and the device must be running a supported operating system. These three prerequisites are essential because live response operates through a secure, real-time shell that requires the Defender sensor to be active and communicating with the cloud, while role-based access control ensures only authorized personnel can initiate such a high-privilege session. On the MS-102 exam, this question tests your understanding of operational security controls, often appearing as a multi-select scenario where a common trap is forgetting the RBAC permission requirement—many candidates assume any admin can run live response by default. A useful memory tip is to think of the three L’s: Licensed (onboarded), Logged-in (RBAC role), and Loaded (supported OS).
MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 company uses Microsoft Defender for Endpoint and wants to perform a live response on a device. Which THREE prerequisites must be met?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The user must be assigned a role that includes live response permissions
Option A is correct because live response in Microsoft Defender for Endpoint requires the user to be assigned a role that includes specific live response permissions, such as 'Live response' or 'Live response advanced' under the Microsoft 365 Defender role-based access control (RBAC). Without these permissions, the user cannot initiate a live response session, regardless of other configurations.
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.
✓
The user must be assigned a role that includes live response permissions
Why this is correct
Permissions are required to initiate live response sessions.
Related concept
Read the scenario before looking for a memorised answer.
✓
The device must be running a supported operating system (e.g., Windows 10 or newer)
Why this is correct
Only supported OS versions can be targeted for live response.
Related concept
Read the scenario before looking for a memorised answer.
✗
The device must be managed by Microsoft Intune
Why it's wrong here
Intune management is not a prerequisite for Defender for Endpoint live response.
✗
The device must have Microsoft Defender Antivirus as the primary antivirus solution
Why it's wrong here
Live response does not require Defender Antivirus to be active.
✓
The device must be onboarded to Microsoft Defender for Endpoint
Why this is correct
Onboarding is required for live response.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume Intune management is required for live response, but Microsoft only requires the device to be onboarded to Defender for Endpoint and running a supported OS, with the user having the correct RBAC permissions.
Detailed technical explanation
How to think about this question
Live response uses a secure, encrypted channel (TLS 1.2+) to execute commands like `Get-Process`, `Get-Service`, or `RunScript` on the target device via the Defender for Endpoint sensor. The session is initiated from the Microsoft 365 Defender portal, and all actions are audited in the unified audit log. A real-world scenario where this matters is when a SOC analyst needs to collect forensic artifacts from a device running a third-party antivirus; live response still works because it relies on the Defender for Endpoint agent, not the antivirus engine.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-102 question in full detail.
Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The user must be assigned a role that includes live response permissions — Option A is correct because live response in Microsoft Defender for Endpoint requires the user to be assigned a role that includes specific live response permissions, such as 'Live response' or 'Live response advanced' under the Microsoft 365 Defender role-based access control (RBAC). Without these permissions, the user cannot initiate a live response session, regardless of other configurations.
What should I do if I get this MS-102 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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