- A
The analyst does not have permissions to create incidents.
Why wrong: Permissions issues would generate an error.
- B
The rule is set to a low severity.
Why wrong: Severity does not affect incident creation.
- C
The rule's query syntax is invalid.
Invalid queries return no results, so no incidents.
- D
The rule is disabled.
Why wrong: Disabled rules do not run at all.
Question 624 of 1,639
Fixing a Sentinel Analytics Rule That Produces No Incidents
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.
Your SOC team uses Microsoft Sentinel and Microsoft Defender XDR. A junior analyst creates a custom analytics rule in Sentinel that generates an excessive number of incidents. The rule appears to be running but not producing any results. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
✓
The rule's query syntax is invalid.
The most likely cause is an invalid query syntax (Option C). When a custom analytics rule in Microsoft Sentinel has a KQL syntax error, the rule will appear as 'running' in the UI but will fail to execute properly, producing zero results and therefore no incidents. The mention of 'excessive number of incidents' in the scenario is a misdirection; the analyst may have observed high incident volumes from other rules, but this particular rule is not functioning due to the syntax error. Thus, the rule is not creating any incidents despite appearing active.
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.
- ✗
The analyst does not have permissions to create incidents.
Why it's wrong here
Permissions issues would generate an error.
- ✗
The rule is set to a low severity.
Why it's wrong here
Severity does not affect incident creation.
- ✓
The rule's query syntax is invalid.
Why this is correct
Invalid queries return no results, so no incidents.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The rule is disabled.
Why it's wrong here
Disabled rules do not run at all.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume 'excessive number of incidents' means the rule is working too well, but the question states the rule is 'not producing any results,' so the real issue is a silent failure due to invalid query syntax, not a configuration or permission problem.
Detailed technical explanation
How to think about this question
Under the hood, Microsoft Sentinel's analytics rules use Kusto Query Language (KQL) to query Log Analytics workspaces. If the KQL syntax is invalid (e.g., missing a closing bracket, misspelled operator, or incorrect table name), the rule engine fails silently during execution, logging an error in the AzureActivity or SentinelHealth tables but not generating incidents. A real-world scenario is when a junior analyst copies a query from a blog post but forgets to adjust the table name from 'SigninLogs' to 'AADSignInEventsBeta', causing zero results without any visible failure.
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.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SC-200 question test?
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: The rule's query syntax is invalid. — The most likely cause is an invalid query syntax (Option C). When a custom analytics rule in Microsoft Sentinel has a KQL syntax error, the rule will appear as 'running' in the UI but will fail to execute properly, producing zero results and therefore no incidents. The mention of 'excessive number of incidents' in the scenario is a misdirection; the analyst may have observed high incident volumes from other rules, but this particular rule is not functioning due to the syntax error. Thus, the rule is not creating any incidents despite appearing active.
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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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