How is scaling handled for Azure Functions?

Short answer: Consumption Plan: Automatically scales out based on trigger events. Premium Plan: Provides pre-warmed instances for faster response and scaling. Dedicated App Service Plan: Manual scaling like a normal App Service. Q&A

Real-world example (ShopNest)

Order-paid events go to Service Bus; an Azure Function sends the confirmation email asynchronously.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.