- A
Microsoft 365 Defender
Microsoft 365 Defender (Defender XDR) correlates signals from multiple Microsoft Defender products into unified incidents and enables automated response across domains.
- B
Microsoft Defender for Cloud
Why wrong: Defender for Cloud is focused on securing cloud workloads (VMs, databases, containers) and providing recommendations, not on unify incident management across endpoint and email.
- C
Microsoft Purview Compliance Portal
Why wrong: Purview is a compliance solution for data governance, data classification, and risk management, not for threat detection and incident management.
- D
Microsoft Entra ID Protection
Why wrong: ID Protection is specifically for identity-related risks and does not integrate endpoint or email threat data into a single incident view.
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. 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.
A company uses Microsoft Defender for Endpoint on all workstations and Microsoft Defender for Office 365 for email protection. The security operations team wants a single console to see all incidents from both products, automatically investigate and respond to threats across endpoints and email, and integrate with Microsoft Sentinel for advanced hunting. Which Microsoft security solution should they use?
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 365 Defender
Microsoft 365 Defender is the correct solution because it provides a unified incident queue that aggregates alerts from Microsoft Defender for Endpoint and Microsoft Defender for Office 365, enabling automated investigation and response (AIR) across endpoints and email. It also natively integrates with Microsoft Sentinel for advanced hunting via the Microsoft 365 Defender connector, allowing the security operations team to correlate signals and perform cross-domain threat hunting.
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.
- ✓
Microsoft 365 Defender
Why this is correct
Microsoft 365 Defender (Defender XDR) correlates signals from multiple Microsoft Defender products into unified incidents and enables automated response across domains.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Defender for Cloud
Why it's wrong here
Defender for Cloud is focused on securing cloud workloads (VMs, databases, containers) and providing recommendations, not on unify incident management across endpoint and email.
- ✗
Microsoft Purview Compliance Portal
Why it's wrong here
Purview is a compliance solution for data governance, data classification, and risk management, not for threat detection and incident management.
- ✗
Microsoft Entra ID Protection
Why it's wrong here
ID Protection is specifically for identity-related risks and does not integrate endpoint or email threat data into a single incident view.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft Defender for Cloud (which protects cloud workloads) with Microsoft 365 Defender (which unifies endpoint, email, and identity security), leading them to select the cloud-focused option instead of the cross-workload unified solution.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft 365 Defender uses a shared signal architecture where the Microsoft 365 Defender portal correlates alerts from Defender for Endpoint (using the Microsoft Defender Antivirus engine and behavioral sensors) and Defender for Office 365 (using machine learning models for phishing and malware detection) into a single incident graph. The automated investigation and response (AIR) playbooks can trigger actions like isolating an endpoint or quarantining an email without manual intervention, and the integration with Microsoft Sentinel uses the Microsoft 365 Defender data connector to stream advanced hunting tables (e.g., EmailEvents, DeviceEvents) for KQL-based queries.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft 365 Defender — Microsoft 365 Defender is the correct solution because it provides a unified incident queue that aggregates alerts from Microsoft Defender for Endpoint and Microsoft Defender for Office 365, enabling automated investigation and response (AIR) across endpoints and email. It also natively integrates with Microsoft Sentinel for advanced hunting via the Microsoft 365 Defender connector, allowing the security operations team to correlate signals and perform cross-domain threat hunting.
What should I do if I get this SC-900 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 SC-900 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 SC-900 exam.
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