Graceful Degradation: Allow reduced functionality when certain services fail.?

Short answer: Example: If a Shipping Service goes down, fallback mechanisms could let the system continue without new orders while allowing users to track existing orders using cached data.

Real-world example (ShopNest)

ShopNest splits Catalog, Cart, Order, and Payment into services so teams can deploy catalog changes without redeploying payments.

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.