Correct Answer – C
The global AWS infrastructure including the hardware, software, networking, and facilities is the responsibility of AWS, not the responsibility of the Customer.
Option A is incorrect. AWS is responsible for patching resources within AWS infrastructure, while customers are responsible for patching guest OS and applications.
Option B is incorrect. AWS is responsible for configuring resources within AWS infrastructure, while customers are responsible for configuring their guest OS, databases and applications.
Option D is incorrect. AWS trains for AWS employees while the customer is responsible for training employees within their organizations.
For more information on the Shared responsibility model, refer to the following URL:
https://aws.amazon.com/compliance/shared-responsibility-model/