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You are monitoring an Azure web application with Application Insights. You need to identify the top 5 slowest API endpoints over the last 7 days. The results should show the endpoint URL, average response time, and request count. Which feature or query should you use?

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You are monitoring an Azure web application with Application Insights. You need to identify the top 5 slowest API endpoints over the last 7 days. The results should show the endpoint URL, average response time, and request count. Which feature or query should you use?

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

Use Log Analytics and run a query on the 'requests' table to aggregate by URL and sort by avg(duration).

Writing a custom query can achieve this, but it's not the most straightforward feature for this common task. The Performance blade provides the same information with better UX and built-in drill-downs.

B

Best answer

Use the 'Performance' blade under 'Investigate' in the Application Insights resource.

The Performance blade is specifically designed for this purpose. It shows the top operations (requests) by their average duration over a selected time range, along with request count and other metrics.

C

Distractor review

Use the 'Application Map' feature to visualize dependencies and endpoints.

Application Map shows the topology of components and their interactions, but does not directly list slow endpoints with aggregated metrics.

D

Distractor review

Configure Smart Detection to automatically identify slow API endpoints.

Smart Detection raises anomaly alerts based on patterns, but it does not provide a ranked list of consistently slow endpoints.

Common exam trap

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Technical deep dive

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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.

Related practice questions

Related AZ-204 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

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Question 3

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Question 4

You are developing a web app that authenticates users via Microsoft Entra ID. The app needs to read the user's profile and send emails on their behalf. You want to minimize user consent prompts. Which OAuth 2.0 grant type should you use?

Question 5

You are developing an Azure Function that processes messages from an Azure Service Bus queue. The function uses a Service Bus queue trigger and runs on a Consumption Plan. The queue receives a high volume of messages in bursts. You need to ensure that the function scales out to handle the load but does not exceed 10 concurrent instances. Which configuration should you apply?

Question 6

You are monitoring an Azure App Service using Application Insights. You notice that the server response time is high for certain requests. You need to drill down to see which external dependencies (like databases or APIs) are causing the delay. Which Application Insights feature should you use?

FAQ

Questions learners often ask

What does this AZ-204 question test?

Read the scenario before looking for a memorised answer.

What is the correct answer to this question?

The correct answer is: Use the 'Performance' blade under 'Investigate' in the Application Insights resource. — Application Insights provides the 'Performance' blade under 'Investigate', which automatically surfaces slowest operations including requests, dependencies, and page views. It allows you to view top operations by duration, with drill-down capabilities. This is the most direct way to answer the question without writing custom queries.

What should I do if I get this AZ-204 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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