Answer:
The answer woul be B
Explanation:
Cloud computing, often called simply "the cloud," is the delivery of on-demand computing services, all from applications to data centers, through the Internet on a pay-per-use basis.
Flexible resources: scale quickly and easily, horizontally and vertically, to meet demand
Measured service so you only pay for what you use
Self-service: all the IT resources you need with self-service access
Software as a service (SaaS)
* Cloud-based applications, or software as a service, run on distant computers "in the cloud" that are owned by others and operated by others, and that connect to users' computers through the Internet and, Usually a web browser.
A private cloud is an infrastructure that is operated exclusively by a single organization, either managed internally or by a third party, and is hosted internally or externally. Private clouds can take advantage of cloud efficiencies, while offering greater control of resources and avoiding multi-tenancy.
Key aspects of the private cloud
A self-service interface that controls services, allowing IT staff to provide, allocate and distribute IT resources on demand.
Highly automated management of resource pools for everything from computing capacity to storage, analytics and middleware
Sophisticated security and control projected for specific company requirements
* Public clouds belong and are managed by companies that offer quick access to computer resources accessible through a public network. With public cloud services, users do not need to acquire hardware, software or support infrastructure, as they belong and are managed by providers.
