Data Consistency: Data consistency mechanisms like eventual consistency, CAP theorem, and distributed transactions are working as expected. Distributed systems introduce complexities like network partitioning, latency, and message ordering that must be carefully tested to ensure that the system as a whole behaves correctly.

Short answer: dvanced Microservices Concepts

Real-world example (ShopNest)

After payment succeeds, ShopNest publishes OrderPaid. Inventory and Notification services react independently—no giant distributed transaction.

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.