A company would like to host its MySQL databases on AWS and maintain full control over the operating system, database installation, and configuration.
Which AWS service should the company use to host the databases?
Amazon RDS
Amazon EC2
Amazon DynamoDB
Amazon Aurora
Explanations:
Amazon RDS is a managed database service that automates maintenance tasks, thus limiting control over the OS and configuration.
Amazon EC2 allows full control over the operating system and database installation, making it suitable for hosting MySQL databases with complete customization.
Amazon DynamoDB is a fully managed NoSQL database service, which does not allow for direct control over the underlying OS or database setup.
Amazon Aurora is a managed relational database service, similar to RDS, which restricts full control over the OS and configurations.
As I see it, the answer is:
Amazon EC2