You develop a web application that sells access to last-minute openings for child camps that run on the weekends. The application uses Azure Application Insight...

You develop a web application that sells access to last-minute openings for child camps that run on the weekends. The application uses Azure Application Insights for all alerting and monitoring.
The application must alert operators when a technical issue is preventing sales to camps.
You need to build an alert to detect technical issues.
Which alert type should you use?

A. Metric alert using multiple time series B. Metric alert using dynamic thresholds C. Log alert using multiple time series D. Log alert using dynamic thresholds