Question 057
### An enterprise running mission-critical ERP needs 99.99% availability across two regions with automated failover. Which Azure capability fulfills this?
> <a href="https://learn.microsoft.com/azure/reliability/reliability-regional-pairs" target="_blank" rel="noopener noreferrer">https://learn.microsoft.com/azure/reliability/reliability-regional-pairs</a>
1. [ ] Availability sets only
1. [ ] Single-zone deployment
1. [x] Active-active deployment across paired regions
1. [ ] Azure CDN caching