Resilient Cloud Solutions — AWS Certified DevOps Engineer - Professional

Official references for this objective

• Amazon Web Services — Disaster Recovery Workloads On Aws.Pdf

  Whereas disaster recovery measures objectives for one-time events, availability objectives measure mean values over a period of time.

• Amazon Web Services — REL10-BP01 Deploy the workload to multiple locations - Reliability Pillar

  If you disable cross-zone load balancing, use Amazon Application Recovery Controller (ARC) to provide zonal shift capability.

• Amazon Web Services — Fault tolerance - AWS Support

  Running Amazon DocumentDB workloads in a Single-AZ architecture is not sufficient for highly critical workloads

• Amazon Web Services — REL12-BP04 Test resiliency using chaos engineering - Reliability Pillar

  It supports simultaneously introducing faults across different types of resources including Amazon EC2, Amazon Elastic Container Service (Amazon ECS), Amazon Elastic Kubernetes Service (Amazon EKS),

• Amazon Web Services — What is AWS Fault Injection Service? - AWS Fault Injection Service

  It contains the actions , targets , and stop conditions for the experiment

• Amazon Web Services — Create an Auto Scaling group using a launch template - Amazon EC2 Auto Scaling

  For Availability Zones and subnets , choose one or more subnets in the specified VPC. Use subnets in multiple Availability Zones for high availability.

• Amazon Web Services — Multi-AZ DB cluster deployments for Amazon RDS - Amazon Relational Database Service

  When you are using RDS for MySQL Multi-AZ DB clusters, flow control is turned on by default using the dynamic parameter rpl_semi_sync_master_target_apply_lag

• Amazon Web Services — Working with DB instance read replicas - Amazon Relational Database Service

  The primary instance copies updates asynchronously to a read replica in a second AZ and also copies them synchronously to a standby replica in a