Chapter 6: Configure notifications (for example, Amazon Simple Notification Service [Amazon SNS], Service Quotas, CloudWatch alarms, AWS Health events).
Chapter 16: Differentiate between the use of a single Availability Zone and Multi-AZ deployments (for example, Amazon EC2 Auto Scaling groups, ELB, Amazon FSx, Amazon RDS).
Chapter 19: Automate snapshots and backups based on use cases (for example, RDS snapshots, AWS Backup, RTO and RPO, Amazon Data Lifecycle Manager, retention policy).
Chapter 26: Provision resources across multiple AWS Regions and accounts (for example, AWS Resource Access Manager [AWS RAM], CloudFormation StackSets, IAM cross-account roles).
Chapter 57: Identify and remediate underutilized or unused resources by using AWS services and tools (for example, Trusted Advisor, AWS Compute Optimizer, AWS Cost Explorer).