What should you do?

You need to investigate the Azure Function app error message in the development environment.

What should you do?
A . Connect Live Metrics Stream from Application Insights to the Azure Function app and filter the metrics.
B . Create a new Azure Log Analytics workspace and instrument the Azure Function app with Application Insights.
C . Update the Azure Function app with extension methods from Microsoft.Extensions.Logging to log events by using the log instance.
D . Add a new diagnostic setting to the Azure Function app to send logs to Log Analytics.

Answer: A

Explanation:

Azure Functions offers built-in integration with Azure Application Insights to monitor functions.

The following areas of Application Insights can be helpful when evaluating the behavior, performance, and errors in your functions:

Live Metrics: View metrics data as it’s created in near real-time.

Failures

Performance

Metrics

Reference: https://docs.microsoft.com/en-us/azure/azure-functions/functions-monitoring