Differences between AWS managed and customer managed AWS Key Management Service (AWS KMS) keys
Caching strategies (for example, write-through, read-through, lazy loading, TTL)
Differences between query and scan operations
Database consistency models (for example, strongly consistent, eventually consistent)
Messaging services (for example, Amazon Simple Queue Service [Amazon SQS], Amazon Simple Notification Service [Amazon SNS])
Cloud storage options (for example, file, object, databases)
CI/CD workflows that use AWS services
High-cardinality partition keys for balanced partition access
Access application configurations from AWS AppConfig and Secrets Manager
Differences between client-side encryption and server-side encryption
Manual and automated approvals in AWS CodePipeline
Create, read, update, and delete (CRUD) operations
Key protection (for example, key rotation)
Application metrics (for example, custom, embedded, built-in)