Which of the following is the customer responsible for updating and patching, according to the AWS shared responsibility model?

Explanations:

Amazon FSx for Windows File Server is a managed service provided by AWS, meaning AWS is responsible for the infrastructure and service management, including updates and patches.

Amazon WorkSpaces is a managed desktop-as-a-service solution where the customer is responsible for managing and updating the Windows operating system and applications installed on the virtual desktops.

AWS Directory Service for Microsoft Active Directory is a managed service where AWS handles the underlying infrastructure and maintenance, including updates and patches.

Amazon RDS for Microsoft SQL Server is a managed database service where AWS is responsible for maintenance tasks such as patching the underlying database engine, while customers manage their own database configurations and applications.