Which cloud computing service model allows users to access fully managed software applications over the internet while the provider handles all underlying infrastructure, maintenance, and updates?
Infrastructure as a Service (IaaS)
Platform as a Service (PaaS)
Software as a Service (SaaS)
Serverless computing
The described model is Software as a Service (SaaS). In SaaS, the cloud provider hosts the application and underlying resources, performing tasks such as patching, upgrades, and security. Users simply connect to the software via the internet (typically through a web browser) without installing or managing any servers, storage, or middleware. Platform as a Service (PaaS) supplies a development platform, Infrastructure as a Service (IaaS) supplies raw infrastructure, and serverless computing abstracts individual functions but is not itself a complete, ready-to-use software application.
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