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ACCA Applied Knowledge · Business and Technology · The impact of advances in technology

Zeta Co is a software developer. It wants to build and test its own applications online without buying or managing servers, operating systems or development tools. Which cloud model is MOST suitable?

Platform as a service is most suitable. It provides a managed environment with operating system, development tools and runtime, so Zeta can build and test applications without handling servers. IaaS would require Zeta to manage the operating systems and tools, and SaaS only supplies finished software.

  1. APlatform as a service (PaaS)Correct
  2. BSoftware as a service (SaaS)
  3. CPrivate cloud only
  4. DInfrastructure as a service (IaaS)

Explanation

PaaS gives developers a ready environment including operating system, tools and runtime, with the provider managing the underlying infrastructure. IaaS would leave Zeta to manage operating systems and tools itself, while SaaS delivers finished applications that Zeta could not use to build its own software.

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