What is the role of angular.json file?

Short answer: angular.json is the workspace configuration file. Defines project settings including: Build and serve options File assets Environment configurations Output paths Third-party library styles and scripts Controls how Angular CLI builds and serves your app.

Real-world example (ShopNest)

ShopNest admin can be built in Angular with modules/components, services for API calls, and reactive forms for product edit.

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.