Troubleshooting Missing Data Source for Microsoft Sentinel Analytics Rules
This SC-200 practice question tests your understanding of manage a security operations environment. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
{
"properties": {
"displayName": "MFA Disabled Alert",
"description": "Alert when MFA is disabled for a user.",
"severity": "Medium",
"enabled": true,
"query": "IdentityLogonEvents | where Application == 'Microsoft Entra ID' | where ActionType == 'MFA disabled' | summarize Count=count() by AccountUpn",
"queryFrequency": "PT5H",
"queryPeriod": "PT5H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT5H",
"suppressionEnabled": false
}
}
You are reviewing a Microsoft Sentinel analytics rule configuration. The rule is not generating incidents as expected. 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.
Exhibit
Refer to the exhibit.
{
"properties": {
"displayName": "MFA Disabled Alert",
"description": "Alert when MFA is disabled for a user.",
"severity": "Medium",
"enabled": true,
"query": "IdentityLogonEvents | where Application == 'Microsoft Entra ID' | where ActionType == 'MFA disabled' | summarize Count=count() by AccountUpn",
"queryFrequency": "PT5H",
"queryPeriod": "PT5H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT5H",
"suppressionEnabled": false
}
}
A
The queryFrequency and queryPeriod are mismatched.
Why wrong: Both are set to 5 hours, which is acceptable.
B
The suppressionDuration is set to 5 hours, suppressing alerts.
Why wrong: suppressionEnabled is false, so suppression is not active.
C
The action type 'MFA disabled' is not supported in IdentityLogonEvents.
Why wrong: MFA disabled is a valid action type.
D
The query references a table that is not available in the Sentinel workspace.
IdentityLogonEvents requires Microsoft Defender for Identity connector.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The query references a table that is not available in the Sentinel workspace.
Option D is correct because if the query in an analytics rule references a table that does not exist in the Microsoft Sentinel workspace, the rule will fail to execute or return no results, preventing incident generation. This is a common misconfiguration when migrating or authoring rules that depend on specific data connectors or schema that have not been onboarded.
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 queryFrequency and queryPeriod are mismatched.
Why it's wrong here
Both are set to 5 hours, which is acceptable.
✗
The suppressionDuration is set to 5 hours, suppressing alerts.
Why it's wrong here
suppressionEnabled is false, so suppression is not active.
✗
The action type 'MFA disabled' is not supported in IdentityLogonEvents.
The query references a table that is not available in the Sentinel workspace.
Why this is correct
IdentityLogonEvents requires Microsoft Defender for Identity connector.
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.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often focus on query logic or timing parameters, but Microsoft tests the foundational requirement that referenced tables must exist in the workspace for the rule to function at all.
Detailed technical explanation
How to think about this question
Under the hood, Sentinel analytics rules execute KQL queries against the workspace's Log Analytics tables. If a table like 'IdentityLogonEvents' is missing because the Microsoft Entra ID data connector is not enabled, the query returns a 'Table not found' error and the rule fails silently, producing no incidents. This differs from a query that returns zero results, which would still trigger the rule's scheduling but generate no alerts.
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: The query references a table that is not available in the Sentinel workspace. — Option D is correct because if the query in an analytics rule references a table that does not exist in the Microsoft Sentinel workspace, the rule will fail to execute or return no results, preventing incident generation. This is a common misconfiguration when migrating or authoring rules that depend on specific data connectors or schema that have not been onboarded.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Refer to the exhibit. You have created a scheduled analytics rule in Microsoft Sentinel as shown. The rule is not generating any incidents, even though you know Copilot for Microsoft 365 is accessing sensitive files. What is the most likely cause?
medium
A.The triggerThreshold is too high
✓ B.The table being queried does not contain Copilot events
C.The severity is set to Medium, which suppresses incidents
D.The queryFrequency is too short
Why B: The rule queries the 'SensitivityLabelEvents' table, which tracks sensitivity label changes but does not contain Copilot for Microsoft 365 events. Copilot events are stored in the 'MicrosoftCopilotAudit' table (or 'CloudAppEvents' with specific filters). Since the query targets the wrong table, no matching records are returned, and no incidents are generated.
Variation 2. Refer to the exhibit. You are creating a scheduled analytics rule in Microsoft Sentinel using the ARM template snippet. The rule runs every 5 minutes and queries the last 5 minutes of data. The rule is not generating alerts even though malware detections are occurring. What is the most likely issue?
medium
A.The queryPeriod and queryFrequency are the same, causing overlapping windows.
B.The triggerThreshold is set to 0, which should always trigger.
C.The ARM template is missing the required 'kind' property.
✓ D.The table DeviceEvents is not ingested into the Log Analytics workspace.
Why D: The correct answer is D. DeviceEvents is a table from Microsoft Defender for Endpoint, but it is not automatically available in Microsoft Sentinel's Log Analytics workspace. The data connector for Microsoft Defender for Endpoint must be configured and the table must be mapped to Sentinel's workspace. Without this, the query runs against an empty table, returning no results, so the rule never triggers (even with triggerThreshold of 0). Option A is incorrect: having queryPeriod and queryFrequency both set to 5 minutes is standard for a rule that runs every 5 minutes looking at the last 5 minutes; it does not cause overlapping windows. Option B is incorrect: triggerThreshold of 0 means any result should trigger an alert, but if there are no results due to missing data, the rule won't fire. Option C is incorrect: the ARM template snippet would include the required 'kind' property for a scheduled rule; its absence is not the issue here.
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.