The answer is Application Insights with dependency tracking, which is the correct choice because it enables distributed tracing across requests and dependencies in an Azure App Service application by automatically collecting telemetry data and mapping end-to-end transaction details across components like SQL databases, HTTP calls, and Azure services. This allows developers to correlate traces and pinpoint the root cause of availability failures. On the AZ-204 exam, this scenario tests your understanding of how Application Insights provides distributed tracing through its dependency tracking feature, often appearing in questions about diagnosing performance issues or failures across microservices. A common trap is to confuse this with basic logging or metrics alone, but the key is that dependency tracking specifically captures the call graph between services. Memory tip: think of dependency tracking as the “map maker” that connects every request to its downstream calls, revealing the full path of a failure.
AZ-204 Practice Question: Monitor, troubleshoot, and optimize Azure solutions
This AZ-204 practice question tests your understanding of monitor, troubleshoot, and optimize azure solutions. 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. 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.
An Azure App Service application has availability failures. The developer needs distributed tracing across requests and dependencies. What should be enabled?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Application Insights with dependency tracking
Application Insights with dependency tracking is the correct choice because it provides distributed tracing across requests and dependencies in an Azure App Service application. It automatically collects telemetry data, including end-to-end transaction details, and maps dependencies like SQL databases, HTTP calls, and Azure services, enabling developers to diagnose availability failures by correlating traces across components.
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.
✓
Application Insights with dependency tracking
Why this is correct
Application Insights provides request, dependency, exception, and trace telemetry for application diagnostics.
Related concept
Read the scenario before looking for a memorised answer.
✗
Storage account static website logs
Why it's wrong here
Static website logs do not trace App Service dependencies.
✗
Azure Policy compliance scan
Why it's wrong here
Policy evaluates resource compliance, not distributed application traces.
✗
Cost Management budgets only
Why it's wrong here
Budgets track spend but do not diagnose request paths.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse general monitoring tools (like logs or compliance) with the specific need for distributed tracing, overlooking that only Application Insights with dependency tracking provides the correlation and dependency mapping required for diagnosing availability failures across requests and dependencies.
Detailed technical explanation
How to think about this question
Application Insights uses the OpenTelemetry protocol or the Application Insights SDK to instrument code, collecting telemetry via the W3C Trace-Context standard for distributed tracing. Under the hood, it correlates spans across services using a trace ID propagated through HTTP headers, allowing developers to visualize the full request path in the Application Map. In a real-world scenario, if an App Service fails due to a slow downstream SQL query, dependency tracking captures the exact query duration and error details, pinpointing the root cause.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
Monitor, troubleshoot, and optimize Azure solutions — This question tests Monitor, troubleshoot, and optimize Azure solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Application Insights with dependency tracking — Application Insights with dependency tracking is the correct choice because it provides distributed tracing across requests and dependencies in an Azure App Service application. It automatically collects telemetry data, including end-to-end transaction details, and maps dependencies like SQL databases, HTTP calls, and Azure services, enabling developers to diagnose availability failures by correlating traces across components.
What should I do if I get this AZ-204 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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Question Discussion
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