Failover mechanisms Real-world Example: Banking application: ● Primary region → East US ● Secondary → West Europe If primary fails: ● Traffic routed automatically Tools used: ● Azure Front Door ● Traffic Manager Interview tip:

Short answer: lways mention: “Active-active or active-passive strategy”

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.