The answer is to change the `where AlertSeverity == "High"` condition to `where AlertSeverity in ("High", "Informational")`. This modification is correct because the KQL `in` operator allows you to filter for multiple discrete values within a single column, whereas the `==` operator only matches a single exact string. By using the `in` list, the query now returns alerts where the severity field contains either 'High' or 'Informational', while preserving the existing malware-related filter and the 24-hour time window. On the SC-200 exam, this tests your ability to refine KQL queries for Microsoft Sentinel, specifically understanding how to expand filter conditions without breaking other logic. A common trap is trying to use `or` statements incorrectly, such as `where AlertSeverity == "High" or "Informational"`, which will fail because the second value lacks a column reference. For a quick memory tip, think of the `in` operator as a "guest list" for a party—it lets multiple values through the door, while `==` is a bouncer who only admits one name.
SC-200 Manage a security operations environment Practice Question
This SC-200 practice question tests your understanding of manage a security operations environment. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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(24h)
| where AlertSeverity == "High"
| where AlertName contains "malware"
| summarize Count = count() by AlertName, AlertSeverity
| order by Count desc
```
Refer to the exhibit. You are a security analyst reviewing a KQL query in Microsoft Sentinel. The query is intended to show the count of high-severity malware alerts in the last 24 hours. However, the query returns results only for alerts with exact severity string 'High', but you also need to include 'Informational' severity alerts that are related to malware. What should you modify?
Refer to the exhibit.
```kusto
SecurityAlert
| where TimeGenerated > ago(24h)
| where AlertSeverity == "High"
| where AlertName contains "malware"
| summarize Count = count() by AlertName, AlertSeverity
| order by Count desc
```
A
Remove the 'summarize' and 'order by' clauses.
Why wrong: That would remove the aggregation.
B
Remove the 'where AlertName contains "malware"' condition.
Why wrong: That would remove the malware filter.
C
Change the 'where AlertSeverity == "High"' to 'where AlertSeverity in ("High", "Informational")'.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change the 'where AlertSeverity == "High"' to 'where AlertSeverity in ("High", "Informational")'.
Option C is correct because the query currently filters only for alerts where AlertSeverity equals 'High', but the requirement is to also include 'Informational' severity alerts related to malware. By changing the condition to 'where AlertSeverity in ("High", "Informational")', the query will return both severity levels while keeping the malware-related filter and the 24-hour time window intact.
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.
✗
Remove the 'summarize' and 'order by' clauses.
Why it's wrong here
That would remove the aggregation.
✗
Remove the 'where AlertName contains "malware"' condition.
Why it's wrong here
That would remove the malware filter.
✓
Change the 'where AlertSeverity == "High"' to 'where AlertSeverity in ("High", "Informational")'.
Why this is correct
This includes both severities.
Related concept
Read the scenario before looking for a memorised answer.
✗
Change 'ago(24h)' to 'ago(48h)'.
Why it's wrong here
The time range is not the issue.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think the issue is with the time range (Option D) or the aggregation (Option A), when the actual problem is a simple missing filter condition for the 'Informational' severity level, which is a common oversight when requirements specify multiple severity values.
Detailed technical explanation
How to think about this question
The KQL 'in' operator allows a single column to be compared against a list of values, making it efficient for filtering multiple discrete severity levels. In Microsoft Sentinel, the AlertSeverity field is a string type, so exact matches are required; using 'in' avoids the need for multiple 'or' conditions. A real-world scenario is when a security operations center (SOC) needs to correlate high-severity alerts with informational alerts that provide context (e.g., malware detection telemetry) without changing the time range or alert name filter.
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 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.
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: Change the 'where AlertSeverity == "High"' to 'where AlertSeverity in ("High", "Informational")'. — Option C is correct because the query currently filters only for alerts where AlertSeverity equals 'High', but the requirement is to also include 'Informational' severity alerts related to malware. By changing the condition to 'where AlertSeverity in ("High", "Informational")', the query will return both severity levels while keeping the malware-related filter and the 24-hour time window intact.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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