- A
CloudAppEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownload' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Why wrong: ActionType should be FileDownloaded, not FileDownload.
- B
CloudAppEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Correct filter and aggregation.
- C
EmailEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Why wrong: EmailEvents table is for email events, not SharePoint.
- D
FileEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Why wrong: FileEvents table is for endpoint file events, not cloud app events.
Quick Answer
The correct KQL query is CloudAppEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize). This works because the CloudAppEvents table in Microsoft 365 Defender captures all cloud application activities, and the ActionType 'FileDownloaded' specifically logs SharePoint file download events, allowing you to sum the FileSize field for a precise total. On the SC-200 exam, this tests your ability to distinguish between cloud app activity tables (CloudAppEvents) and email or device tables, and to use the correct action filter—common traps include using 'FileSyncDownloadedFull' or querying the EmailEvents table instead. Remember the memory tip: "Cloud for cloud, Downloaded for downloads, sum the Size for the prize."
SC-200 Perform threat hunting Practice Question
This SC-200 practice question tests your understanding of perform threat hunting. 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.
Your team is using Microsoft 365 Defender advanced hunting to investigate a possible data exfiltration incident. The security team suspects that an internal attacker used a compromised SharePoint Online account to download sensitive files from multiple sites. You need to build a hunting query that identifies all file download activities from SharePoint Online for a specific user account over the past 7 days, and then calculates the total size of downloaded files. Which KQL query should you 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
CloudAppEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Option B correctly filters SharePoint file download events (FileDownloaded) and sums the FileSize. Option A uses wrong action; Option C uses wrong table; Option D is for email.
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.
- ✗
CloudAppEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownload' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Why it's wrong here
ActionType should be FileDownloaded, not FileDownload.
- ✓
CloudAppEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Why this is correct
Correct filter and aggregation.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
EmailEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Why it's wrong here
EmailEvents table is for email events, not SharePoint.
- ✗
FileEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize)
Why it's wrong here
FileEvents table is for endpoint file events, not cloud app events.
Common exam traps
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.
Detailed technical explanation
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.
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.
Identify which SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Questions learners often ask
What does this SC-200 question test?
Perform threat hunting — This question tests Perform threat hunting — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: CloudAppEvents | where Application == 'SharePoint Online' and ActionType == 'FileDownloaded' and AccountDisplayName == 'targetuser@contoso.com' and Timestamp > ago(7d) | summarize TotalSize = sum(FileSize) — Option B correctly filters SharePoint file download events (FileDownloaded) and sums the FileSize. Option A uses wrong action; Option C uses wrong table; Option D is for email.
What should I do if I get this SC-200 question wrong?
Identify which SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 21, 2026
This SC-200 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-200 exam.
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