SC-200 Respond to security incidents Practice Question
Exhibit
Refer to the exhibit.
```json
// ARM template snippet for Microsoft Sentinel analytics rule
{
"type": "Microsoft.OperationsManagement/solutions/workspaces/savedSearches",
"apiVersion": "2021-04-01",
"name": "[concat('SecurityInsights/', parameters('workspaceName'), '/', 'MyRule')]",
"properties": {
"category": "Security",
"displayName": "My custom rule",
"query": "SecurityEvent | where EventID == 4625 | summarize Count = count() by Account",
"triggerOperator": "GreaterThan",
"triggerThreshold": 5
}
}Based on the ARM template snippet, what is the purpose of this analytics rule?
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
✓
To detect brute force attacks on user accounts
The query counts failed logon events (EventID 4625) and triggers when the count exceeds a threshold (e.g., 5) within a time window, indicating multiple failed attempts. Option B is correct because a high count of failed logon attempts from the same account or IP is a classic sign of a brute force attack. Option C is incorrect because EventID 4625 is a failed logon, not a successful login. Option D is incorrect because the query does not include EventID 4740 (account lockout) and does not check for lockouts.
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 detect multiple failed logon attempts within a time window
Why it's wrong here
The rule alerts when failed logon count exceeds 5.
- ✓
To detect brute force attacks on user accounts
Why this is correct
Multiple failed logons indicate brute force.
- ✗
To detect successful logins by account
Why it's wrong here
EventID 4625 is failed logon, not success.
- ✗
To detect account lockouts
Why it's wrong here
Account lockouts require different EventID (e.g., 4740).
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.