Difficulty: Easy

Average Score: 92%

Which cloud computing service model allows customers to run their own application code without configuring the server environment?

Rationale

Platform as a service (PaaS) allows customers to run their own application code without configuring the server environment.

PaaS provides a cloud environment where developers can build, deploy, and manage applications without the complexity of managing the underlying infrastructure. This model abstracts server configuration, enabling users to focus on application development.

A (Platform as a service (PaaS)) CORRECT

This is the correct choice because PaaS specifically provides a platform that allows developers to deploy their applications while managing the runtime environment automatically. Users can focus solely on writing code and deploying applications without needing to handle server setup or maintenance.

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

SaaS delivers software applications over the internet on a subscription basis. Users access the software through a web browser, but they do not have the ability to run their own custom application code. Instead, they utilize pre-built applications without any server configuration or development capabilities.

C (Data science as a service (DSaaS)) YOUR ANSWER

DSaaS is a specialized model that provides data science tools and services, enabling organizations to analyze and extract insights from their data. While it offers capabilities for data analysis, it does not provide an environment for users to run their own application code independent of predefined services and applications.

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

IaaS offers virtualized computing resources over the internet, allowing customers to manage their own servers and storage. Although it provides flexibility in configuring the server environment, it requires users to set up and maintain their own infrastructure, which is contrary to the server-less operation described in the question.

Conclusion

PaaS stands out as the cloud computing service model that allows customers to run their own application code without the need for server configuration, enabling efficient application development and deployment. In contrast, SaaS, DSaaS, and IaaS involve varying levels of predefined software solutions or infrastructure management, which do not align with the requirement of executing custom code seamlessly.

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