- A
Use the HuntingBookmark table to search for user activity
Why wrong: HuntingBookmark is for bookmarks, not for raw event analysis.
- B
Query the CommonSecurityLog table for SharePoint events and look for high volumes of outbound traffic
Why wrong: CommonSecurityLog is for network devices, not SharePoint.
- C
Query the OfficeActivity table, filter for Operation=='FileDownloaded', summarize by UserId and bin(TimeGenerated, 1h), then use a join with a historical baseline table to detect deviations
This approach uses the correct data source and method to compare current activity with historical baseline.
- D
Query the SecurityAlert table for alerts related to data exfiltration
Why wrong: SecurityAlert contains alerts, not raw events needed for baseline comparison.
Quick Answer
The correct approach is to query the OfficeActivity table, filter for Operation=='FileDownloaded', summarize by UserId and bin(TimeGenerated, 1h), then use a join with a historical baseline table to detect deviations. This works because the OfficeActivity table captures granular SharePoint audit logs, and using bin() with summarize lets you count downloads per user per hour, which you can then compare against a precomputed historical average to spot unusual spikes. On the SC-200 exam, this tests your understanding of KQL aggregation functions and the specific schema of OfficeActivity—a common trap is confusing it with CommonSecurityLog, which lacks SharePoint file operations, or using SecurityAlert, which only holds pre-generated alerts. Remember that raw event tables like OfficeActivity are essential for building baselines from scratch, while alert tables are for response, not hunting. A helpful memory tip: "OfficeActivity for raw activity, SecurityAlert for the alert."
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.
You are a security operations analyst for Contoso Ltd. The company uses Microsoft Sentinel as its SIEM and Microsoft Defender for Cloud Apps for SaaS security. You are tasked with threat hunting for potential data exfiltration via Microsoft SharePoint Online. You need to create a hunting query that identifies users who have downloaded an unusually high number of files from SharePoint within a short time window compared to their historical baseline. The query should be run in Microsoft Sentinel using the OfficeActivity table. Which of the following approaches should you take?
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
Query the OfficeActivity table, filter for Operation=='FileDownloaded', summarize by UserId and bin(TimeGenerated, 1h), then use a join with a historical baseline table to detect deviations
Option A is correct because using the OfficeActivity table with summarize and bin() allows you to count download events (Operation=='FileDownloaded') per user per hour and then compare the current count to a historical average to detect anomalies. Option B is incorrect because the CommonSecurityLog table does not contain SharePoint download events. Option C is incorrect because the HuntingBookmark table is for storing bookmarks, not for running analytics. Option D is incorrect because the SecurityAlert table contains alerts, not raw events needed for baseline calculation.
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.
- ✗
Use the HuntingBookmark table to search for user activity
Why it's wrong here
HuntingBookmark is for bookmarks, not for raw event analysis.
- ✗
Query the CommonSecurityLog table for SharePoint events and look for high volumes of outbound traffic
Why it's wrong here
CommonSecurityLog is for network devices, not SharePoint.
- ✓
Query the OfficeActivity table, filter for Operation=='FileDownloaded', summarize by UserId and bin(TimeGenerated, 1h), then use a join with a historical baseline table to detect deviations
Why this is correct
This approach uses the correct data source and method to compare current activity with historical baseline.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Query the SecurityAlert table for alerts related to data exfiltration
Why it's wrong here
SecurityAlert contains alerts, not raw events needed for baseline comparison.
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: Query the OfficeActivity table, filter for Operation=='FileDownloaded', summarize by UserId and bin(TimeGenerated, 1h), then use a join with a historical baseline table to detect deviations — Option A is correct because using the OfficeActivity table with summarize and bin() allows you to count download events (Operation=='FileDownloaded') per user per hour and then compare the current count to a historical average to detect anomalies. Option B is incorrect because the CommonSecurityLog table does not contain SharePoint download events. Option C is incorrect because the HuntingBookmark table is for storing bookmarks, not for running analytics. Option D is incorrect because the SecurityAlert table contains alerts, not raw events needed for baseline calculation.
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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