Cross-region Load Balancing:?

Short answer: Cloud providers like AWS and Azure provide global load balancers (e.g., AWS Global Accelerator, Azure Traffic Manager) that can route traffic to services based on proximity to the user.

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.