Question 1mediummulti select
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Quick Answer
The answer is Microsoft Defender for Identity, along with Microsoft Defender for Endpoint and Microsoft Defender for Office 365. These three form the core components of Microsoft Defender XDR because the platform is built to natively integrate endpoint detection and response, email and collaboration security, and identity threat detection into a unified kill chain defense. On the MS-102 exam, this question tests your understanding that Defender XDR is not a single product but a suite that correlates signals from these three pillars to automate incident response. A common trap is selecting Microsoft Defender for Cloud Apps or Azure AD Identity Protection, which are complementary but not part of the core XDR trio. Remember the mnemonic “EIO” for Endpoint, Identity, and Office—these are the three native sources that feed the XDR correlation engine.
MS-102 Practice Question: Manage security and threats by using Microsoft Defender XDR
This MS-102 practice question tests your understanding of manage security and threats by using microsoft defender xdr. 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.
You are a Microsoft 365 administrator for a multinational organization. You are implementing Microsoft Defender XDR to provide centralized threat management across multiple domains. Which three of the following capabilities are core components of Microsoft Defender XDR? (Choose three.)
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
✓
Microsoft Defender for Endpoint
Microsoft Defender XDR is a unified pre- and post-breach enterprise defense suite that natively integrates signals from Microsoft Defender for Endpoint, Microsoft Defender for Office 365, and Microsoft Defender for Identity. These three components are the core pillars that provide endpoint detection and response (EDR), email and collaboration protection, and identity threat detection, respectively, enabling automated incident correlation and remediation across the kill chain.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft Purview Information Protection or Microsoft Intune with security detection components, but they are governance/compliance and management tools, respectively, not part of the Defender XDR suite.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Defender XDR uses a shared data lake and a common AI model to correlate alerts from the three core components. For example, a suspicious PowerShell script detected by Defender for Endpoint can be cross-referenced with a lateral movement alert from Defender for Identity and a phishing email from Defender for Office 365 to automatically create a unified incident. This integration relies on the Microsoft 365 Defender APIs and the Advanced Hunting schema, which normalizes data from all three sources into a single queryable table.
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.
What to study next
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FAQ
Questions learners often ask
What does this MS-102 question test?
Manage security and threats by using Microsoft Defender XDR — This question tests Manage security and threats by using Microsoft Defender XDR — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Defender for Endpoint — Microsoft Defender XDR is a unified pre- and post-breach enterprise defense suite that natively integrates signals from Microsoft Defender for Endpoint, Microsoft Defender for Office 365, and Microsoft Defender for Identity. These three components are the core pillars that provide endpoint detection and response (EDR), email and collaboration protection, and identity threat detection, respectively, enabling automated incident correlation and remediation across the kill chain.
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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Last reviewed: Jun 11, 2026
This MS-102 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 MS-102 exam.
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