AWS Certified Cloud Practitioner — Question 959

Which responsibility belongs to AWS when a company hosts its databases on Amazon EC2 instances?

Answer options

• A. Database backups
• B. Database software patches
• C. Operating system patches
• D. Operating system installations.

Correct answer: D

Explanation

When hosting databases on Amazon EC2 (which is an Infrastructure as a Service model), AWS is responsible for the virtualization layer and physical infrastructure, which includes the initial operating system installation on the underlying host. The customer is responsible for managing the guest operating system, including patching, as well as installing, patching, and backing up the database software.