The answer is Microsoft Sentinel UEBA, Microsoft Defender XDR incident integration, and automated orchestration. These three capabilities form the core of a unified security operations platform by enabling Sentinel to ingest and correlate high-fidelity alerts from Defender XDR across endpoints, identities, email, and cloud apps, while UEBA adds behavioral baselines to detect insider threats and lateral movement. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of how to bridge SIEM and XDR without duplicating effort—a common trap is choosing separate tool silos instead of native integration. Remember the memory tip: “UEBA for behavior, XDR for alerts, automation for action.”
SC-100 Practice Question: Design security operations, identity, and compliance capabilities
This SC-100 practice question tests your understanding of design security operations, identity, and compliance capabilities. 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 organization uses Microsoft Sentinel and Microsoft Defender XDR. You need to design a unified security operations platform. Which THREE capabilities should you enable?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft Defender XDR incident integration with Sentinel
Option C is correct because Microsoft Defender XDR incident integration with Sentinel creates a unified security operations platform by automatically synchronizing high-fidelity alerts and incidents from Defender XDR into Sentinel. This enables security teams to correlate endpoint, email, identity, and cloud app signals within a single SIEM, reducing alert fatigue and accelerating incident response through automated orchestration.
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.
✗
Azure Policy for security controls
Why it's wrong here
Azure Policy is for compliance and governance of Azure resources, not for security operations platform.
✗
Microsoft Purview Information Protection
Why it's wrong here
Purview is for data governance and protection, not for detection and response.
✓
Microsoft Defender XDR incident integration with Sentinel
Why this is correct
Integrating Defender XDR incidents into Sentinel provides a unified view.
Related concept
Read the scenario before looking for a memorised answer.
✓
Microsoft Sentinel SIEM
Why this is correct
Sentinel provides log ingestion and analysis for security operations.
Related concept
Read the scenario before looking for a memorised answer.
✓
Microsoft Sentinel UEBA (User and Entity Behavior Analytics)
Why this is correct
UEBA in Sentinel detects anomalous behavior for insider threat detection.
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 may confuse Azure Policy (a compliance tool) or Purview Information Protection (a data protection tool) with core security operations capabilities, when the question specifically asks for capabilities that unify detection and response across a SIEM and XDR platform.
Detailed technical explanation
How to think about this question
The integration uses the Microsoft Graph Security API to ingest Defender XDR incidents into Sentinel, where they appear as security incidents with mapped entities (e.g., user, device, IP). This allows Sentinel’s SOAR capabilities (via playbooks) to trigger automated responses in Defender XDR, such as isolating a device or blocking a user, creating a bidirectional feedback loop that reduces mean time to respond (MTTR).
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 SC-100 question in full detail.
Design security operations, identity, and compliance capabilities — This question tests Design security operations, identity, and compliance capabilities — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft Defender XDR incident integration with Sentinel — Option C is correct because Microsoft Defender XDR incident integration with Sentinel creates a unified security operations platform by automatically synchronizing high-fidelity alerts and incidents from Defender XDR into Sentinel. This enables security teams to correlate endpoint, email, identity, and cloud app signals within a single SIEM, reducing alert fatigue and accelerating incident response through automated orchestration.
What should I do if I get this SC-100 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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