Identify, collect, analyze, and export logs (for example, Amazon CloudWatch Logs, CloudWatch Logs Insights, AWS CloudTrail logs).
Collect metrics and logs by using the CloudWatch agent.
Create CloudWatch alarms.
Create CloudWatch dashboards.
Configure notifications (for example, Amazon Simple Notification Service [Amazon SNS], Service Quotas, CloudWatch alarms, AWS Health events).
Troubleshoot or take corrective actions based on notifications and alarms.
Configure Amazon EventBridge rules to invoke actions.
Use AWS Systems Manager Automation runbooks to take action based on AWS Config rules.
Create and maintain AWS Auto Scaling plans.
Implement Amazon RDS replicas and Amazon Aurora Replicas.
Implement loosely coupled architectures.
Differentiate between horizontal scaling and vertical scaling.
Configure Elastic Load Balancing (ELB) and Amazon Route 53 health checks.
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).