AZ-400 – Question 62

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You have an Azure DevOps organization named Contoso and an Azure subscription. The subscription contains an Azure virtual machine scale set named VMSS1 that is configured for autoscaling.

You use Azure DevOps to build a web app named App1 and deploy App1 to VMSS1. App1 is used heavily and has usage patterns that vary on a weekly basis.
You need to recommend a solution to detect an abnormal rise in the rate of failed requests to App1. The solution must minimize administrative effort.

What should you include in the recommendation?

A. the Smart Detection feature in Azure Application Insights 
B. the Failures feature in Azure Application Insights
C. an Azure Service Health alert
D. an Azure Monitor alert that uses an Azure Log Analytics query

Correct Answer: A 

After setting up Application Insights for your project, and if your app generates a certain minimum amount of data, Smart Detection of failure anomalies takes 24 hours to learn the normal behavior of your app, before it is switched on and can send alerts.

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