According to the AWS shared responsibility model, the customer is responsible for applying the latest security updates and patches for which of the following?

Explanations:

Amazon DynamoDB is a fully managed database service where AWS handles security updates and patches. The customer does not need to manage these aspects.

For Amazon EC2 instances, customers are responsible for managing the security of the operating system, including applying the latest security updates and patches.

Amazon RDS instances are managed database services where AWS applies security updates and patches for the underlying infrastructure. Customers manage their database configurations but not the OS updates.

Amazon S3 is a fully managed storage service, and AWS takes care of security updates and patches for the underlying infrastructure. Customers are responsible for managing access policies and data but not OS updates.