- A
Microsoft Defender for Cloud
Why wrong: Defender for Cloud provides cloud security posture management (CSPM) and cloud workload protection (CWPP), but it does not offer native endpoint detection and response (EDR) across all platforms.
- B
Microsoft Defender for Endpoint
Defender for Endpoint is designed for EDR, vulnerability management, and threat hunting on endpoints including servers and cloud VMs, making it the right choice for unified threat defense across hybrid workloads.
- C
Microsoft Sentinel
Why wrong: Sentinel is a SIEM solution that collects and analyzes security data from multiple sources, but it does not itself provide endpoint detection and response capabilities.
- D
Microsoft Defender for Cloud Apps
Why wrong: Defender for Cloud Apps is a CASB for discovering and controlling cloud applications, not for endpoint-level threat detection on servers or VMs.
Quick Answer
The answer is Microsoft Defender for Endpoint. This solution is correct because it provides unified endpoint detection and response (EDR), vulnerability management, and threat hunting across Azure virtual machines, on-premises servers, and AWS workloads, all from a single console. While Microsoft Defender for Cloud focuses on securing cloud workloads and provides multi-cloud visibility, it relies on Defender for Endpoint to deliver the actual EDR capabilities for servers and endpoints. On the SC-900 exam, this distinction is a common trap: many candidates mistakenly choose Defender for Cloud when the question emphasizes endpoint-level detection and response across heterogeneous environments, including on-premises and AWS. Remember that Defender for Endpoint is the agent-based EDR engine that can be onboarded through Defender for Cloud for centralized management, but it remains the core tool for proactive defense. A helpful memory tip is to think "EDR = Endpoint Defender" — if the requirement mentions EDR, threat hunting, or vulnerability management on individual machines, the answer is always Defender for Endpoint.
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. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 security team wants to monitor and proactively defend against cyber threats across their entire infrastructure, including Azure virtual machines, on-premises servers, and AWS workloads. They need a unified solution that provides endpoint detection and response (EDR), vulnerability management, and threat hunting capabilities. 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 Defender for Endpoint
Microsoft Defender for Endpoint (B) is the correct answer because it provides unified endpoint detection and response (EDR), vulnerability management, and threat hunting across heterogeneous environments, including Azure VMs, on-premises servers, and AWS workloads. It extends beyond Windows to support Linux and macOS endpoints, and can be onboarded via Microsoft Defender for Cloud for multi-cloud visibility, making it the single solution that meets all the stated requirements.
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 Defender for Cloud
Why it's wrong here
Defender for Cloud provides cloud security posture management (CSPM) and cloud workload protection (CWPP), but it does not offer native endpoint detection and response (EDR) across all platforms.
- ✓
Microsoft Defender for Endpoint
Why this is correct
Defender for Endpoint is designed for EDR, vulnerability management, and threat hunting on endpoints including servers and cloud VMs, making it the right choice for unified threat defense across hybrid workloads.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Sentinel
Why it's wrong here
Sentinel is a SIEM solution that collects and analyzes security data from multiple sources, but it does not itself provide endpoint detection and response capabilities.
- ✗
Microsoft Defender for Cloud Apps
Why it's wrong here
Defender for Cloud Apps is a CASB for discovering and controlling cloud applications, not for endpoint-level threat detection on servers or VMs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft Defender for Cloud (a CSPM/CWPP) with Microsoft Defender for Endpoint (an EDR), mistakenly thinking that Defender for Cloud alone provides endpoint-level detection and response, when in fact it relies on Defender for Endpoint for those capabilities.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Defender for Endpoint uses a built-in sensor (the Microsoft Defender Antivirus engine and the EDR sensor) that collects behavioral telemetry from the kernel and user space, sending it to the cloud backend for machine learning-based analysis. Its vulnerability management capability leverages the Common Vulnerabilities and Exposures (CVE) database and integrates with Microsoft Defender Vulnerability Management to provide real-time risk scoring and remediation recommendations. In a real-world scenario, a security team can deploy the Defender for Endpoint agent on an AWS EC2 instance running Linux, and the same console will show alerts, vulnerabilities, and allow threat hunting using advanced hunting queries in Kusto Query Language (KQL) across all endpoints regardless of cloud provider.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
What to study next
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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 Defender for Endpoint — Microsoft Defender for Endpoint (B) is the correct answer because it provides unified endpoint detection and response (EDR), vulnerability management, and threat hunting across heterogeneous environments, including Azure VMs, on-premises servers, and AWS workloads. It extends beyond Windows to support Linux and macOS endpoints, and can be onboarded via Microsoft Defender for Cloud for multi-cloud visibility, making it the single solution that meets all the stated requirements.
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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