What term refers a large number of networked, virtualized servers combined with a powerful front end?

Cloud Computing

Explanation:

Cloud computing refers to a virtual internet based computing network with several systems and servers connected. The word "cloud" refers to the internet which is used to deliver required services such as; servers, storage, databases etc. In this way these computing services are rendered faster with more flexibility and economically as users will only pay for what they use. There are three types of cloud computing tailored towards users' needs, these are; private cloud, public cloud and hybrid cloud. and majority of cloud computing services fall into one of the following

A. IaaS

B. PaaS

C serverless and

C. SaaS

The major benefits of a cloud computing are in cost, reliability speed performance and security.