Explain built-in dependency injection in ASP.NET Core.

Short answer: If you change appsettings.json and configuration reload is enabled, IOptionsMonitor picks up the new value without restarting the app. Entity Framework Core

Real-world example (ShopNest)

ShopNest admin screens use MVC: controller loads data, Razor view renders HTML, Tag Helpers build forms safely.

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.