How do you handle failures in distributed systems?

Short answer: Strong Answer Patterns: Retry (Polly) Circuit breaker Fallback Dead-letter queue Real-world Example: Payment service failure handled via retries + DLQ

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.