The correct answer is that the KQL query identifies high-severity alert names that have occurred more than 10 times in the last 24 hours. This is achieved by first filtering alerts with a severity of "High" and a timestamp within the last day, then using the summarize operator to group results by AlertName and count each occurrence, and finally applying a where clause to retain only those alert names where the count exceeds 10. On the Microsoft Security Operations Analyst SC-200 exam, this question tests your ability to read and interpret KQL aggregation logic, specifically the difference between counting alerts versus incidents, and grouping by name rather than by time. A common trap is confusing the output columns—the query returns AlertName and AlertCount, not timestamps—so watch for answer choices that mention incident counts or time-based grouping. Memory tip: think "High count, last day, name only"—if it doesn’t have all three filters, it’s the wrong choice.
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 AlertSeverity == "High"
| where TimeGenerated > ago(24h)
| summarize AlertCount = count() by AlertName
| where AlertCount > 10
| project AlertName, AlertCount
```
You are reviewing the KQL query shown in the exhibit. What is the purpose of this query?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Identify high-severity alert names that occurred more than 10 times in the last 24 hours
Option C is correct because the query filters high-severity alerts in the last 24 hours, groups by AlertName, and returns names with more than 10 alerts. Option A is wrong because it counts alerts, not incidents. Option B is wrong because it counts by AlertName, not by time. Option D is wrong because it returns AlertName and AlertCount, not timestamps.
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.
✗
Count the number of high-severity alerts per hour
Why it's wrong here
It counts per AlertName, not per hour.
✗
Return the timestamp of each high-severity alert
Why it's wrong here
The query does not return timestamps.
✓
Identify high-severity alert names that occurred more than 10 times in the last 24 hours
Why this is correct
The query filters, groups, and returns alert names with count > 10.
Related concept
Read the scenario before looking for a memorised answer.
✗
List all high-severity incidents in the last 24 hours
Why it's wrong here
The query filters alerts, not incidents.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
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.
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: Identify high-severity alert names that occurred more than 10 times in the last 24 hours — Option C is correct because the query filters high-severity alerts in the last 24 hours, groups by AlertName, and returns names with more than 10 alerts. Option A is wrong because it counts alerts, not incidents. Option B is wrong because it counts by AlertName, not by time. Option D is wrong because it returns AlertName and AlertCount, not timestamps.
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.
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Question Discussion
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