A small business subscribes to a web-based email service for all its employees. The email provider hosts and manages all the application software, underlying servers, and storage. The employees can access their email from any device with an internet browser. Which of the following cloud computing service models does this scenario describe?
This scenario describes Software as a Service (SaaS). SaaS is a cloud delivery model where the provider manages the entire technology stack, including the application, and users access the software over the internet, typically via a web browser. Web-based email services like Google Workspace or Microsoft 365 are classic examples of SaaS. Platform as a Service (PaaS) would provide a platform for developing applications, not a ready-to-use application. Infrastructure as a Service (IaaS) would only provide the raw computing resources like servers and storage, requiring the business to manage the OS and application.
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