Which AWS services are managed database services?
(Choose two.)
Amazon Elastic Block Store (Amazon EBS)
Amazon S3
Amazon RDS
Amazon Elastic File System (Amazon EFS)
Amazon DynamoDB
Explanations:
Amazon Elastic Block Store (EBS) is a block storage service, not a managed database service.
Amazon S3 is an object storage service, not a managed database service.
Amazon RDS (Relational Database Service) is a managed relational database service.
Amazon Elastic File System (EFS) is a file storage service, not a managed database service.
Amazon DynamoDB is a managed NoSQL database service.