ACCA Applied Knowledge · Business and Technology · The impact of advances in technology
A retailer rents access to an online accounting application from a provider. The provider hosts, maintains and updates the software, and the retailer uses it through a web browser. Which cloud service model is this?
This is Software as a Service. The provider hosts and maintains a complete application that the retailer simply accesses via a browser. PaaS offers a development platform and IaaS offers raw infrastructure, so neither matches a ready-to-use accounting application.
- ASoftware as a Service (SaaS)Correct
- BPlatform as a Service (PaaS)
- CInfrastructure as a Service (IaaS)
Explanation
SaaS delivers a complete application over the internet, managed by the provider. PaaS gives developers a platform to build applications, and IaaS provides virtual servers, storage and networks that the customer must configure and manage itself.
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