The answer is the Device timeline in Microsoft Defender for Endpoint. This feature provides a chronological view of all actions performed on a specific device, including file creation, registry modifications, and network connections, making it the ideal tool for viewing device timeline chronological events during a ransomware investigation. On the SC-200 exam, this question tests your ability to distinguish between built-in forensic tools and custom hunting methods—many candidates mistakenly choose Advanced Hunting, which requires KQL queries, whereas the Device timeline offers an immediate, time-ordered list without any querying. A common trap is confusing the Device timeline with the broader Incident timeline; remember that the Device timeline is scoped to a single machine’s activities. Memory tip: think “Device Diary”—it logs everything that happened on that one device, in order, ready for review.
SC-200 Mitigate threats using Microsoft Defender XDR Practice Question
This SC-200 practice question tests your understanding of mitigate threats using microsoft defender xdr. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: device timeline provides a chronological view of all events on an endpoint.. 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 analyst is investigating a ransomware incident in Microsoft 365 Defender. The analyst wants to see a timeline of all actions performed on a specific device, including file creation, registry modifications, and network connections, in chronological order. Which feature should the analyst use?
The device timeline displays a chronological sequence of events that occurred on a specific device, allowing analysts to trace attack activities.
B
Advanced hunting
Why wrong: Advanced hunting is a query-based tool for proactively hunting threats; it does not provide a pre-built chronological timeline but can be used to reconstruct events manually.
C
Incident graph
Why wrong: The incident graph visualizes how alerts and entities are related within an incident, not a device-specific event timeline.
D
Action center
Why wrong: The Action center lists remediation actions taken or pending, not the full event history.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Device timeline
The Device timeline in Microsoft Defender for Endpoint provides a chronological view of all events and actions on a specific device, including file creation, registry modifications, and network connections. This feature is specifically designed for forensic investigation of incidents like ransomware, offering a time-ordered list of activities without requiring custom queries.
Key principle: Device timeline provides a chronological view of all events on an endpoint.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Device timeline
Why this is correct
The device timeline displays a chronological sequence of events that occurred on a specific device, allowing analysts to trace attack activities.
Related concept
Device timeline provides a chronological view of all events on an endpoint.
✗
Advanced hunting
Why it's wrong here
Advanced hunting is a query-based tool for proactively hunting threats; it does not provide a pre-built chronological timeline but can be used to reconstruct events manually.
✗
Incident graph
Why it's wrong here
The incident graph visualizes how alerts and entities are related within an incident, not a device-specific event timeline.
✗
Action center
Why it's wrong here
The Action center lists remediation actions taken or pending, not the full event history.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse the chronological event view of the Device timeline with the query-based flexibility of Advanced hunting, but the question specifically asks for a pre-built timeline without requiring custom queries.
Detailed technical explanation
How to think about this question
The Device timeline aggregates events from the Microsoft Defender sensor, including process creation, file system events, registry changes, and network connections, all timestamped and sorted chronologically. It leverages the same underlying telemetry as Advanced hunting but presents it in a curated, device-centric view, making it ideal for rapid triage during an incident. In a real ransomware scenario, an analyst can quickly spot the initial file creation event (e.g., a malicious script) followed by registry modifications for persistence and subsequent network connections to a command-and-control server.
KKey Concepts to Remember
Device timeline provides a chronological view of all events on an endpoint.
It aggregates telemetry like file, registry, process, and network activities.
Helps reconstruct attack chains and understand event sequences on a device.
Accessible from a device's page within Microsoft 365 Defender.
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
Device timeline provides a chronological view of all events on an endpoint.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Review device timeline provides a chronological view of all events on an endpoint., then practise related SC-200 questions on the same topic to reinforce the concept.
Mitigate threats using Microsoft Defender XDR — This question tests Mitigate threats using Microsoft Defender XDR — Device timeline provides a chronological view of all events on an endpoint..
What is the correct answer to this question?
The correct answer is: Device timeline — The Device timeline in Microsoft Defender for Endpoint provides a chronological view of all events and actions on a specific device, including file creation, registry modifications, and network connections. This feature is specifically designed for forensic investigation of incidents like ransomware, offering a time-ordered list of activities without requiring custom queries.
What should I do if I get this SC-200 question wrong?
Review device timeline provides a chronological view of all events on an endpoint., then practise related SC-200 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Device timeline provides a chronological view of all events on an endpoint.
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