SC-200 Manage a security operations environment Practice Question
This SC-200 practice question tests your understanding of manage a security operations environment. 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.
Exhibit
Refer to the exhibit.
```kusto
SecurityAlert
| where TimeGenerated > ago(7d)
| where AlertName == "Suspicious process execution"
| extend Entities = parse_json(Entities)
| mv-expand Entities
| where Entities.Type == "account"
| project AccountUpn = Entities.Upn, AlertName, TimeGenerated
| summarize Count = count() by AccountUpn
| where Count > 5
```
Refer to the exhibit. You are reviewing a KQL query used in a Microsoft Sentinel scheduled analytics rule. What is the primary purpose of this query?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Exhibit
Refer to the exhibit.
```kusto
SecurityAlert
| where TimeGenerated > ago(7d)
| where AlertName == "Suspicious process execution"
| extend Entities = parse_json(Entities)
| mv-expand Entities
| where Entities.Type == "account"
| project AccountUpn = Entities.Upn, AlertName, TimeGenerated
| summarize Count = count() by AccountUpn
| where Count > 5
```
A
To investigate a new type of attack pattern
Why wrong: The query is for a known alert name, not new patterns.
B
To identify which accounts are associated with the most incidents
Why wrong: The query works on alerts, not incidents.
C
To find accounts that have generated false positive alerts
Why wrong: The query does not assess false positives.
D
To detect accounts that have triggered a high number of suspicious process alerts within 7 days
The query counts alerts per account and filters for >5.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To detect accounts that have triggered a high number of suspicious process alerts within 7 days
The query uses `summarize` with `dcount(EventID)` to count distinct process creation events per account, then filters for accounts with a count greater than 10 using `where EventCount > 10`. The `where TimeGenerated > ago(7d)` restricts the time window to the last 7 days. This pattern is designed to detect accounts that have triggered a high number of suspicious process alerts (EventID 4688) within a week, making D correct.
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.
✗
To investigate a new type of attack pattern
Why it's wrong here
The query is for a known alert name, not new patterns.
✗
To identify which accounts are associated with the most incidents
Why it's wrong here
The query works on alerts, not incidents.
✗
To find accounts that have generated false positive alerts
Why it's wrong here
The query does not assess false positives.
✓
To detect accounts that have triggered a high number of suspicious process alerts within 7 days
Why this is correct
The query counts alerts per account and filters for >5.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse counting process alerts (EventID 4688) with counting incidents or false positives, leading them to select options B or C without recognizing the query's focus on raw event aggregation over a specific time window.
Detailed technical explanation
How to think about this question
The query leverages EventID 4688 (Windows Security Log for process creation) and uses `dcount` to approximate distinct event counts, which is efficient for large datasets but can introduce slight inaccuracies due to hyperloglog estimation. In a real-world scenario, an account triggering over 10 process creation events in 7 days might indicate lateral movement or automated malware execution, but the threshold must be tuned to avoid noise from legitimate administrative activity. The `summarize` operator groups by Account, and the `where` clause after summarization filters aggregated results, a common pattern for threshold-based detection in Sentinel analytics rules.
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
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Manage a security operations environment — This question tests Manage a security operations environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: To detect accounts that have triggered a high number of suspicious process alerts within 7 days — The query uses `summarize` with `dcount(EventID)` to count distinct process creation events per account, then filters for accounts with a count greater than 10 using `where EventCount > 10`. The `where TimeGenerated > ago(7d)` restricts the time window to the last 7 days. This pattern is designed to detect accounts that have triggered a high number of suspicious process alerts (EventID 4688) within a week, making D correct.
What should I do if I get this SC-200 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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