A business uses a cloud service where the provider manages the OS, security updates, and runtime environment while the customer focuses on development. Which cloud service model is being used?

Rationale

Platform as a Service (PaaS) is the cloud service model being used.

In this scenario, the cloud provider manages the operating system, security updates, and runtime environment, allowing the customer to concentrate on application development. PaaS is designed to facilitate the development process by providing a framework for developers to build upon without worrying about the underlying infrastructure and management.

A (Public cloud) YOUR ANSWER

SaaS delivers software applications over the internet on a subscription basis, with the service provider managing everything behind the scenes. Users access these applications via a web browser and do not engage in any development themselves. This model does not align with the scenario where the customer is focused on development.

B (Infrastructure as a service (IaaS)) YOUR ANSWER

PaaS is specifically tailored for developers, offering a platform that includes hardware and software tools over the internet for application development. This model allows developers to build, test, and deploy applications while the provider manages the underlying infrastructure, operating systems, and security. This directly matches the scenario given in the question.

C (Software as a service (SaaS)) YOUR ANSWER

A public cloud refers to services offered over the public internet, which can include various models such as IaaS, PaaS, and SaaS. However, it does not specify the level of management provided by the cloud service. The scenario describes a specific service model rather than the type of cloud deployment.

D (Platform as a service (PaaS)) CORRECT

IaaS provides virtualized computing resources over the internet, enabling customers to manage the operating systems, applications, and middleware themselves. In this model, the customer is responsible for more elements compared to PaaS, which allows for a focus on application development rather than infrastructure management.

Conclusion

The scenario described illustrates the attributes of Platform as a Service (PaaS), where the cloud provider handles the operating system, security updates, and runtime environment, thus allowing developers to focus on building and deploying applications. This model streamlines development and enhances productivity by abstracting away the complexities of infrastructure management.

A business uses a cloud service where the provider manages the OS, security updates, and runtime environment while the customer focuses on development. Which cloud service model is being used?

Platform as a Service (PaaS) is the cloud service model being used.

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