CERTIFIED-IN-CYBERSECURITY Question #308: Real Exam Question with Answer & Explanation

Question

Which of the following cloud models puts MOST responsibility on the cloud provider?

Options

• ASaaS
• BPaaS
• CIaaS
• DOn-premises

Explanation

Software as a Service (SaaS) is the model that places the most responsibility on the cloud provider, including managing the application, data, runtime, middleware, operating system, virtualization, servers, storage, and networking. For example, an organization using a SaaS application such as Google Workspace or Microsoft 365 doesn't have to worry about maintaining the servers or updating the software in the underlying infrastructure. The cloud provider takes care of all these aspects, allowing the company to focus on using the applications to drive its business. The other options give the cloud provider less responsibility than the SaaS model. In particular, starting with the on-premises model, the organization is responsible for everything from the network to the applications. Then, Infrastructure as a Service (IaaS) assigns some responsibility to the cloud provider, including servers, storage, and networking. However, the organization is still responsible for the operating system, middleware, and applications. Finally, Platform as a Service (PaaS) includes management of the runtime and middleware by the cloud provider, but the organization is still responsible for the data and applications

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