The correct answer is: B. virtual
Cloud computing is the on-demand delivery of IT resources over the Internet with pay-as-you-go pricing. Instead of buying, owning, and maintaining physical data centers and servers, you can access technology services, such as computing power, storage, and databases, on an as-needed basis from a cloud provider like Amazon Web Services (AWS).
Cloud computing offers a number of advantages over traditional IT infrastructure, including:
- Cost savings: You only pay for the resources you use, and you can scale your usage up or down as needed.
- Agility: You can quickly deploy new applications and services without having to make a large upfront investment in hardware and software.
- Reliability: Cloud providers offer a high level of reliability and uptime.
- Security: Cloud providers offer a variety of security features and services to protect your data.
Cloud computing is a powerful tool that can help you save money, improve agility, and increase reliability. If you’re not already using cloud computing, now is the time to start exploring your options.
Here is a brief explanation of each option:
- A. real – This option is incorrect because cloud computing is not a real resource. It is an abstraction of physical resources.
- B. virtual – This option is correct because cloud computing is based on the notion of pooling physical resources and presenting them as a virtual resource.
- C. cloud – This option is incorrect because cloud computing is not a cloud. It is an abstraction of physical resources.
- D. none of the mentioned – This option is incorrect because all of the options are mentioned in the question.