Which of the following statements is true about cloud computing : a. the elastic leasing of pooled computer resources over the internet is called the cloud
b. a cloud is a peer-to-peer network used to share data between users
c. cloud-based hosting does not operate over the internet
d. any network of servers hosted in-house by an organization for its own requirements is regarded as a cloud

Option a is correct

Explanation:

A cloud is elastic leasing of pooled computer resources over the internet.

In cloud computing data is accessible everywhere over the internet.Resources of a cloud computing machine can be increased or decreased any time easily.In high usage scenario one can lease more resources for it's cloud computing machine and for low usage scenario return to basic resource configuration.

There are three types of cloud computing

SAAS is software as a service. In which a third party distributes a software by hosting on a cloud and make it available to end user.

PAAS is platform as a service. In which a third party host application development tools and software on its own infrastructure and make it available to end user.

IAAS is an infrastructure as service in which third party hosts virtualized computing resource like storage ,servers and make it available to end user.

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