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Short answer: What to say in interview: “We used Service Bus to decouple services and implemented retry + DLQ to handle failures without impacting user experience.” Add Advanced Layer: Use Polly for retries Add circuit breaker Add API Gateway (APIM)

Real-world example (ShopNest)

ShopNest on Azure typically uses App Service + SQL Database + Blob Storage + Application Insights for monitoring.

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.