Secrets management (for example, AWS Secrets Manager, AWS Systems Manager Parameter Store)
Lambda deployment packaging options
Architectural patterns (for example, event-driven, microservices, monolithic, choreography, orchestration, fanout)
Application deployment that uses AWS services and tools (for example, CloudFormation, AWS Cloud Development Kit [AWS CDK], AWS SAM, AWS CodeArtifact, AWS Copilot, Amplify, Lambda)
Amazon DynamoDB keys and indexing
Data classification (for example, personally identifiable information [PII], protected health information [PHI])