- A
Advanced hunting in Microsoft 365 Defender
Advanced hunting enables security teams to build custom queries over data from endpoints, Office 365, identities, and apps. They can then create custom detection rules that trigger alerts based on these queries.
- B
Microsoft Defender for Cloud
Why wrong: Microsoft Defender for Cloud (formerly Microsoft Defender for Cloud) provides security posture management and threat protection for cloud workloads, but does not offer the same level of custom KQL hunting across Microsoft 365 Defender data.
- C
Microsoft Defender for Office 365
Why wrong: Defender for Office 365 focuses on email and collaboration threats. It does not provide cross-machine hunting queries across endpoint data.
- D
Microsoft Sentinel
Why wrong: Microsoft Sentinel is a cloud-native SIEM/SOAR that supports KQL queries and custom analytics rules. However, the question explicitly asks for a capability within Microsoft 365 Defender, not a separate service. While Sentinel can ingest data from Defender, it is not part of the Microsoft 365 Defender portal.
Quick Answer
The answer is Advanced hunting in Microsoft 365 Defender. This capability is correct because it provides a Kusto Query Language (KQL) interface that allows security teams to write custom detection rules by querying raw, cross-domain data, such as DeviceProcessEvents and DeviceFileEvents, enabling them to hunt for multi-machine attack patterns like a PowerShell script download followed by execution. On the SC-900 exam, this question tests your understanding of how Microsoft 365 Defender’s advanced hunting supports proactive threat hunting and custom detection, often appearing as a scenario where you must distinguish it from automated incident response or basic alerting. A common trap is confusing advanced hunting with Microsoft Defender for Cloud Apps or automated investigation; remember that advanced hunting is the only tool that lets you write your own KQL queries to correlate events across endpoints. Memory tip: think “KQL = Custom Queries for Cross-Machine Hunts.”
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 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?
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
Advanced hunting in Microsoft 365 Defender
Advanced hunting in Microsoft 365 Defender provides a Kusto Query Language (KQL)-based query interface that allows security teams to create custom detection rules by searching raw data across endpoints, email, and identities. This capability directly supports the scenario of writing custom queries to hunt for multi-machine attack patterns, such as a PowerShell script download followed by execution, by correlating events like DeviceProcessEvents and DeviceFileEvents across multiple devices.
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.
- ✓
Advanced hunting in Microsoft 365 Defender
Why this is correct
Advanced hunting enables security teams to build custom queries over data from endpoints, Office 365, identities, and apps. They can then create custom detection rules that trigger alerts based on these queries.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Microsoft Defender for Cloud
Why it's wrong here
Microsoft Defender for Cloud (formerly Microsoft Defender for Cloud) provides security posture management and threat protection for cloud workloads, but does not offer the same level of custom KQL hunting across Microsoft 365 Defender data.
- ✗
Microsoft Defender for Office 365
Why it's wrong here
Defender for Office 365 focuses on email and collaboration threats. It does not provide cross-machine hunting queries across endpoint data.
- ✗
Microsoft Sentinel
Why it's wrong here
Microsoft Sentinel is a cloud-native SIEM/SOAR that supports KQL queries and custom analytics rules. However, the question explicitly asks for a capability within Microsoft 365 Defender, not a separate service. While Sentinel can ingest data from Defender, it is not part of the Microsoft 365 Defender portal.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft Sentinel's advanced hunting (which is also KQL-based but is a separate Azure service) with the advanced hunting capability native to Microsoft 365 Defender, leading them to select Sentinel even though the question explicitly asks for a Microsoft 365 Defender capability.
Detailed technical explanation
How to think about this question
Advanced hunting in Microsoft 365 Defender exposes tables such as DeviceProcessEvents, DeviceNetworkEvents, and DeviceFileEvents, which contain raw telemetry from Defender for Endpoint sensors. Custom detection rules can be built using KQL to define alert logic that triggers on specific event sequences, such as a PowerShell.exe process creation (ProcessCreationEvents) preceded by a file download event (FileCreatedEvents) on multiple devices, and these rules can be configured to run at scheduled intervals or in near real-time. A subtle behavior is that custom detections can also leverage cross-domain tables like EmailEvents or IdentityLogonEvents to correlate endpoint activity with email or identity events, but the core focus remains on endpoint telemetry within the Microsoft 365 Defender ecosystem.
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: Advanced hunting in Microsoft 365 Defender — Advanced hunting in Microsoft 365 Defender provides a Kusto Query Language (KQL)-based query interface that allows security teams to create custom detection rules by searching raw data across endpoints, email, and identities. This capability directly supports the scenario of writing custom queries to hunt for multi-machine attack patterns, such as a PowerShell script download followed by execution, by correlating events like DeviceProcessEvents and DeviceFileEvents across multiple devices.
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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