4Monitor, Troubleshoot, and Optimize
- 4.1Monitoring with Application Insights
Understand monitoring: telemetry collection with Application Insights (requests, dependencies, exceptions, custom metrics), KQL analysis, the application map, and alerts. The starting point for "Monitor, troubleshoot, and optimize" in AZ-204.
- 4.2Caching and Performance Optimization
Understand caching with Azure Cache for Redis (cache-aside, sessions), edge delivery with Azure CDN/Front Door, and optimization principles.

