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ACCA Applied Knowledge · Business and Technology · Financial systems and technology

A firm uses a cloud provider that supplies the hardware, operating system and development tools, so the firm's developers can build and deploy their own applications without managing the underlying infrastructure. Which cloud service model is this?

This is Platform as a Service (PaaS). The provider supplies hardware, operating system and development tools so developers can build and deploy their own applications without managing the infrastructure. IaaS offers only raw infrastructure, SaaS delivers finished software, and private cloud describes a deployment model rather than a service model.

  1. AInfrastructure as a Service (IaaS)
  2. BPlatform as a Service (PaaS)Correct
  3. CSoftware as a Service (SaaS)
  4. DPrivate cloud

Explanation

PaaS gives customers a platform, including operating system and development tools, on which to build and run their own applications. IaaS would supply only the basic infrastructure, leaving the customer to manage the operating system. SaaS delivers a finished application, and private cloud is a deployment model, not a service model.

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