Certificate management (for example, AWS Private Certificate Authority)
Key protection (for example, key rotation)
Differences between client-side encryption and server-side encryption
Differences between AWS managed and customer managed AWS Key Management Service (AWS KMS) keys
Data classification (for example, personally identifiable information [PII], protected health information [PHI])
Secrets management (for example, AWS Secrets Manager, AWS Systems Manager Parameter Store)
Secure credential handling
Ways to access application configuration data (for example, AWS AppConfig, Secrets Manager, Parameter Store)
Lambda deployment packaging, layers, and configuration options
Git-based version control tools (for example, Git, AWS CodeCommit)
Features in AWS services that perform application deployment
Integration testing that uses mock endpoints
Lambda versions and aliases