Why This Cheat Sheet Matters for AZ-204
This cheat sheet covers the most important Azure App Service & Functions concepts tested on the AZ-204 (Azure Developer Associate) certification exam. It contains 2 sections with 8 key points that you should memorize before exam day. Use this as a quick-reference guide during your final review sessions.
2Sections
8Key Points
App Service
- App Service Plan defines CPU, memory, and scaling options (Free, Basic, Standard, Premium).
- Deployment slots allow staging environments with traffic routing percentages.
- Auto-scale rules respond to CPU, memory, HTTP queue length, or custom metrics.
- Application settings and connection strings override values from appsettings.json.
Azure Functions
- Triggers: HTTP, Timer, Blob, Queue, Service Bus, Event Grid, Cosmos DB change feed.
- Bindings: input/output data connections declared in function.json or attributes.
- Durable Functions orchestrate stateful workflows in serverless environments.
- Consumption plan: scales automatically, pay per execution; cold start possible.
Practice Azure App Service & Functions Questions
Put your knowledge to the test with practice questions.
Azure Quick Reference Tips
Azure services follow consistent naming patterns that help with exam recall. Resource Manager (ARM) templates use JSON, while Bicep provides a cleaner DSL for infrastructure as code. Remember that Azure resources are organised in a hierarchy: Management Groups → Subscriptions → Resource Groups → Resources.