AZ-400 Question #258: Real Exam Question with Answer & Explanation

Question

Hotspot Question You have an application named App1 that has a custom domain of app.contoso.com. You create a test in Azure Application Insights as shown in the following exhibit. Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic. NOTE: Each correct selection is worth one point. Answer:

Options

• __typehotspot
• variantdropdown

Explanation

This hotspot question tests knowledge of Azure Application Insights availability tests, specifically URL ping tests and their configuration options including test frequency, alert thresholds, and what triggers an alert based on test settings.

Approach. In Azure Application Insights, a URL ping test (availability test) configured with a frequency of 5 minutes and tested from 5 locations will send alerts when a configurable number of locations fail within a certain time window. The test checks app.contoso.com and if the exhibit shows a standard URL ping test with 5 locations and 5-minute frequency, the test will run every 5 minutes from each location. Alerts are typically triggered when a specified number of locations report failures simultaneously - for a 5-location test with default settings, an alert fires when 2 or more locations fail (meaning the site is actually down vs. a single location issue). The alert is sent after the configured number of failures, which with default settings is typically after failures are detected across the threshold number of locations over a 5-minute aggregation window.

Concept tested. Azure Application Insights Availability Tests (URL ping tests) - understanding how test frequency, number of test locations, alert rules, and failure thresholds interact to determine when an availability alert is triggered. Key concepts include: tests run from multiple geographic locations, alerts fire when a minimum number of locations fail, and the frequency determines how often each location checks the endpoint.

Reference. https://learn.microsoft.com/en-us/azure/azure-monitor/app/availability-overview

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