The answer is the AzureDiagnostics table. This is the correct choice because Azure Application Gateway sends its access logs, error logs, and performance logs to the AzureDiagnostics table in Log Analytics, which captures the detailed HTTP request data—such as client IP, URI, and status codes—needed to identify repeated failed requests indicative of a brute force attack. On the SC-200 exam, this tests your understanding of where resource-level telemetry for Azure services is stored, and a common trap is confusing AzureDiagnostics with AzureActivity (which only tracks control-plane operations) or SecurityEvent (which focuses on Windows security logs). Remember that for any Azure resource’s diagnostic logs, including Application Gateway, the default destination is always AzureDiagnostics. Memory tip: think “Diagnostics for the details” – AzureDiagnostics holds the granular HTTP logs, while other tables hold broader activity or security events.
SC-200 Mitigate threats using Microsoft Sentinel Practice Question
This SC-200 practice question tests your understanding of mitigate threats using microsoft sentinel. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: azureDiagnostics stores resource-specific diagnostic logs from Azure services.. 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.
A security analyst in Microsoft Sentinel wants to create a scheduled analytics rule to detect repeated failed HTTP requests to an Azure Application Gateway, indicating a possible brute force attack. Which Azure Monitor table should the analyst query to capture the access and error logs from the Application Gateway?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AzureDiagnostics
AzureDiagnostics is the correct table because it stores resource-level logs for Azure services, including Application Gateway access and error logs. These logs contain detailed HTTP request data (e.g., client IP, URI, status code) necessary to detect repeated failed requests indicative of a brute force attack. Other tables like AzureActivity, AzureMetrics, or SecurityEvent do not capture this specific HTTP-level telemetry.
Key principle: AzureDiagnostics stores resource-specific diagnostic logs from Azure services.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
AzureActivity
Why it's wrong here
AzureActivity stores subscription-level events like resource creation or policy changes, not Application Gateway logs.
✓
AzureDiagnostics
Why this is correct
Correct: AzureDiagnostics contains diagnostic logs from Azure resources, including Application Gateway access and error logs.
Related concept
AzureDiagnostics stores resource-specific diagnostic logs from Azure services.
✗
AzureMetrics
Why it's wrong here
AzureMetrics stores performance metrics (e.g., CPU, requests count), but not detailed log data.
✗
SecurityEvent
Why it's wrong here
SecurityEvent collects Windows security events from virtual machines, not from network resources like Application Gateways.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse AzureActivity (control plane) with diagnostic logs (data plane), or assume AzureMetrics contains detailed HTTP error data when it only stores aggregated performance counters.
Detailed technical explanation
How to think about this question
Application Gateway diagnostic logs are routed to AzureDiagnostics via diagnostic settings, where the 'Category' field differentiates between 'ApplicationGatewayAccessLog' and 'ApplicationGatewayPerformanceLog'. The access log includes fields like 'httpStatus', 'httpMethod', and 'requestUri', enabling precise filtering for 4xx/5xx errors. In a real-world scenario, an analyst might query AzureDiagnostics with a filter like `Category == 'ApplicationGatewayAccessLog'` and `httpStatus >= 400` to count failed requests per source IP over a time window.
KKey Concepts to Remember
AzureDiagnostics stores resource-specific diagnostic logs from Azure services.
Application Gateway access and error logs are ingested into AzureDiagnostics.
This table provides detailed request information, including HTTP status codes.
It is essential for detecting security threats like brute-force attacks on web applications.
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
AzureDiagnostics stores resource-specific diagnostic logs from Azure services.
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.
Review azureDiagnostics stores resource-specific diagnostic logs from Azure services., then practise related SC-200 questions on the same topic to reinforce the concept.
Mitigate threats using Microsoft Sentinel — This question tests Mitigate threats using Microsoft Sentinel — AzureDiagnostics stores resource-specific diagnostic logs from Azure services..
What is the correct answer to this question?
The correct answer is: AzureDiagnostics — AzureDiagnostics is the correct table because it stores resource-level logs for Azure services, including Application Gateway access and error logs. These logs contain detailed HTTP request data (e.g., client IP, URI, status code) necessary to detect repeated failed requests indicative of a brute force attack. Other tables like AzureActivity, AzureMetrics, or SecurityEvent do not capture this specific HTTP-level telemetry.
What should I do if I get this SC-200 question wrong?
Review azureDiagnostics stores resource-specific diagnostic logs from Azure services., then practise related SC-200 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
AzureDiagnostics stores resource-specific diagnostic logs from Azure services.
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