SAA-C03 - Design Resilient Architectures - Section 2.5
Design highly available architectures using Multi-AZ deployments, cross-Region replication and automatic failover.
Explain how Multi-AZ deployments distribute compute and database resources across physically separate Availability Zones to eliminate single points of failure within a Region. Design cross-Region resilience by combining cross-Region replication for data, Amazon Route 53 failover routing policies to redirect traffic, and Aurora read replicas promoted to primary in a secondary Region.
Multi-AZCross-Region replicationAmazon Route 53 failoverAurora replicas
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