What is Azure Policy and how do you enforce compliance?

Short answer: Azure Policy enforces rules and effects on resources. Example: Deny creation of public IPs in production resource groups. Policies can be assigned at subscription, resource group, or resource level.

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.