Content Domain 3: Resilient Cloud Solutions
Task Statement 3.1: Implement highly available solutions to meet resilience and business requirements.
Knowledge of:
Multi-AZ and multi-Region deployments (for example, compute layer, data layer)
SLAs
Replication and failover methods for stateful services
Techniques to achieve high availability (for example, Multi-AZ, multi-Region)
Skills in:
Translating business requirements into technical resiliency needs
Identifying and remediating single points of failure in existing workloads
Enabling cross-Region solutions where available (for example, Amazon DynamoDB, Amazon RDS, Amazon Route 53, Amazon S3, Amazon CloudFront)
Configuring load balancing to support cross-AZ services
Configuring applications and related services to support multiple Availability Zones and AWS Regions while minimizing downtime
Task Statement 3.2: Implement solutions that are scalable to meet business requirements.
Knowledge of:
Appropriate metrics for scaling services
Loosely coupled and distributed architectures
Serverless architectures
Container platforms
Skills in:
Identifying and remediating scaling issues
Identifying and implementing appropriate auto scaling, load balancing, and caching solutions
Deploying container-based applications (for example, Amazon ECS, Amazon EKS)
Deploying workloads in multiple Regions for global scalability
Configuring serverless applications (for example, Amazon API Gateway, AWS Lambda, AWS Fargate)
Task Statement 3.3: Implement automated recovery processes to meet RTO and RPO requirements.
Knowledge of:
Disaster recovery concepts (for example, RTO, RPO)
AWS Backup and recovery strategies (for example, pilot light, warm standby)
Recovery procedures
Skills in:
Testing failover of Multi-AZ and multi-Region workloads (for example, Amazon RDS, Amazon Aurora, Route 53, CloudFront)
Identifying and implementing appropriate cross-Region AWS Backup and recovery strategies (for example, AWS Backup, Amazon S3, AWS Systems Manager)
Configuring a load balancer to recover from backend failure