4Deploying scalable and highly available databases

• 4.1Provisioning and testing HA databases

  Understand provisioning highly available database solutions, testing HA and DR strategies (failover drills), automating instance provisioning, and monitoring highly available databases.

• 4.2Multi-regional replication and read replicas

  Understand setting up multi-regional database replication, deploying and scaling read replicas, separating reads from writes, and continuously monitoring the overall highly available setup.