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ACCA Strategic Professional · Strategic Business Leader · Cloud, mobile and smart technology

Kestrel Logistics wants to stop buying and maintaining its own servers. Its IT team will still install, patch and manage its own operating systems, middleware and applications, but will rent virtual machines, storage and networking from a provider on a pay-per-use basis. Which cloud service model is Kestrel adopting?

Kestrel is adopting Infrastructure as a Service. The provider supplies virtual machines, storage and networking on a pay-per-use basis, while Kestrel's own team continues to install, patch and manage the operating systems, middleware and applications that run on that rented infrastructure.

  1. ASoftware as a Service (SaaS)
  2. BPlatform as a Service (PaaS)
  3. CInfrastructure as a Service (IaaS)Correct
  4. DPrivate on-premise hosting

Explanation

In IaaS the provider supplies virtualised computing infrastructure (servers, storage, networking) while the customer manages operating systems, middleware and applications. PaaS would also have the provider manage the operating system and runtime environment, which Kestrel is not outsourcing.

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