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ACCA Applied Skills · Performance Management · Management information systems

Which of the following is the main characteristic of a 'Software as a Service' (SaaS) cloud computing model?

SaaS means the customer uses a ready-made application hosted by the provider and accessed over the internet, typically for a subscription fee. The provider manages the software and infrastructure. Renting servers is IaaS, and a development environment is PaaS.

  1. AThe customer rents virtual servers and storage but installs and manages its own operating systems and applications
  2. BThe customer accesses a ready-made application hosted by the provider over the internet, usually on a subscription basisCorrect
  3. CThe customer receives a development platform on which to build and deploy its own applications without managing servers
  4. DThe customer builds a private data centre on its own premises and is the only user of the hardware

Explanation

In SaaS the provider hosts and maintains the application, and users access it over the internet, typically paying a subscription. Renting virtual servers and storage describes Infrastructure as a Service (IaaS), and a development platform describes Platform as a Service (PaaS).

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