4. PaaS delivers everything a developer needs to build an application onto the cloud infrastructure.
The statement 'PaaS delivers everything a developer needs to build an application onto the cloud infrastructure' best describes the platform as a service (PaaS) cloud computing service model.
Platform as a service (PaaS) is a complete development and deployment environment in the cloud, with resources that enable you to deliver everything from simple cloud-based apps to sophisticated, cloud-enabled enterprise applications
Learn more about PaaS on Microsoft Azure: https://azure.microsoft.com/en-in/overview/what-is-paas/