Which statement about cloud customers and underlying technology is most accurate?

• A. Customers must manage virtualization software
• B. Customers must operate data centers
• C. Customers are responsible for patching the OS in the cloud
• D. The customer does not need to know about or have expertise in the technology behind the service

Answer: (D)

Cloud services operate under a shared responsibility model where the provider handles the underlying infrastructure and most of the technology stack, while the customer focuses on using the service. Because of this layering, you typically don’t need to have expertise in virtualization, data centers, or the underlying OS when you’re using cloud offerings, especially at the SaaS level. That makes the statement that the customer does not need to know about or have expertise in the technology behind the service the most accurate. The other options imply responsibilities that the provider usually covers, such as managing virtualization and data centers, or patching the operating system, which are not expected of the customer in common cloud models.