In cloud deployment models, which option describes a platform service that abstracts the underlying infrastructure to developers?

• A. IaaS
• B. SaaS
• C. PaaS
• D. Private Cloud

Answer: (C)

Platform as a Service is about offering a ready-made environment for building and running applications. It hides the underlying hardware, virtualization, operating system, runtime, and middleware from developers, so they can focus on writing code and deploying apps rather than managing servers. This abstraction of the infrastructure layer is what lets developers work at the software level while the platform handles the provisioning, scaling, and maintenance of the underlying resources.

In contrast, IaaS provides raw virtual machines and storage that you configure and manage yourself; SaaS delivers complete software applications managed by the provider; and a private cloud is a deployment model for an organization’s own cloud infrastructure.