Google Cloud Digital Leader Practice Exam

Which type of cloud implementation offers on-demand availability of computing and infrastructure resources?

1. On-premises

2. Private cloud

3. Public cloud

4. Hybrid cloud

The correct answer is: Public cloud

The public cloud is the type of cloud implementation that offers on-demand availability of computing and infrastructure resources. Public clouds are owned and operated by third-party cloud service providers who deliver their computing resources, such as servers and storage, over the internet. This environment allows users to scale resources up or down based on demand without the need to invest in or maintain physical infrastructure. In a public cloud, resources are shared among multiple clients, making it a cost-effective solution for individuals and businesses that require flexibility and can benefit from the economies of scale afforded by shared resources. Users can access applications and services like computing power, storage, and networking whenever they need them, utilizing a pay-as-you-go model that aligns with usage. The other types of cloud implementation do not inherently provide the same level of on-demand resource availability. On-premises setups require organizations to manage and maintain their physical infrastructure, limiting flexibility. A private cloud offers dedicated resources for a single organization, which can result in less flexibility and higher costs compared to public models. Hybrid cloud models blend public and private clouds, but the on-demand features are primarily driven by the public cloud component.