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A company uses Microsoft Defender for Endpoint to secure its devices, Microsoft Defender for Office 365 for email security, and Microsoft Defender for Identity for on-premises Active Directory. The security team wants a single console to view correlated incidents across these domains, where an incident might combine a suspicious email, a malicious file download, and a compromised account. Which Microsoft solution provides this unified incident view and automatic correlation?

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A company uses Microsoft Defender for Endpoint to secure its devices, Microsoft Defender for Office 365 for email security, and Microsoft Defender for Identity for on-premises Active Directory. The security team wants a single console to view correlated incidents across these domains, where an incident might combine a suspicious email, a malicious file download, and a compromised account. Which Microsoft solution provides this unified incident view and automatic correlation?

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Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

Microsoft Sentinel

Microsoft Sentinel is a SIEM/SOAR that collects logs from various sources, but it does not provide the native, pre-built correlation across Microsoft Defender products at the same level as Defender XDR.

B

Distractor review

Microsoft Defender for Cloud

Defender for Cloud focuses on securing cloud infrastructure, not endpoint, email, and identity together.

C

Best answer

Microsoft 365 Defender (now Microsoft Defender XDR)

Defender XDR automatically correlates alerts from Defender for Endpoint, Office 365, Identity, and Cloud Apps into unified incidents and provides a single console for investigation.

D

Distractor review

Microsoft Purview Compliance Portal

Purview is for compliance and data governance, not for security incident correlation.

Common exam trap

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.

Technical deep dive

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.

Related practice questions

Related SC-900 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

Question 1

A company must retain all customer contracts for 10 years to comply with industry regulations. After 10 years, the contracts must be permanently deleted. Which Microsoft Purview solution should be used to automate this process?

Question 2

A company uses a cloud-based SaaS (Software as a Service) application for customer relationship management. According to the shared responsibility model, which security responsibility is primarily handled by the customer?

Question 3

A company runs a mix of on-premises servers and Azure virtual machines. They deploy Microsoft Defender for Endpoint on all servers. The security team wants to create custom queries to hunt for a specific attack pattern that involves a sequence of events across multiple machines, such as a PowerShell script being downloaded and then executed on several servers. They need to write their own detection rules based on advanced hunting data. Which Microsoft 365 Defender capability should they use?

Question 4

A company runs a consumer-facing e-commerce website and wants to allow customers to sign in using their existing social media accounts such as Google, Facebook, or LinkedIn. Which Microsoft Entra ID solution should they implement?

Question 5

A company has a hybrid identity environment with Active Directory synchronizing to Microsoft Entra ID. They want users to be able to reset their own on-premises passwords via the cloud SSPR portal. What is the minimum license required for this capability?

Question 6

A company uses a cloud-based Customer Relationship Management (CRM) system that is delivered as Software-as-a-Service (SaaS). According to the shared responsibility model, which security responsibility is primarily handled by the customer?

FAQ

Questions learners often ask

What does this SC-900 question test?

Read the scenario before looking for a memorised answer.

What is the correct answer to this question?

The correct answer is: Microsoft 365 Defender (now Microsoft Defender XDR) — Microsoft 365 Defender (now Microsoft Defender XDR) extends the detection and response capabilities across domains. It correlates signals from various Defender products to create a single incident picture, enabling faster response.

What should I do if I get this SC-900 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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