A city web portal team wants application performance monitoring—request rates, failures, and dependency insights—for their Azure-hosted web app. Which service purpose matches that need at fundamentals depth?
Select an answer to reveal the explanation.
Short Explanation
Application Insights is the APM buddy for your web app—how requests behave, where they fail, what they depend on. You do not need to write SDK code on the AZ-900 exam; just know what it is for.
Full Explanation
Application Insights is an application performance management feature within the Azure Monitor family. It helps teams observe web application behavior such as request performance, failures, and dependencies. AZ-900 expects recognition of that purpose, not developer instrumentation tasks covered in associate developer exams.