Introduction to Cloud When we see the word "Cloud Computing" first which comes to our mind the most common word which we can hear regularly is cloud. In here,the cloud indicates the Internet . So if we split the word, it indicates some type of Internet Based Computing. Basically it is a way of delivering services and resources on demand . What is a Cloud? Basically Cloud refers to a separate IT environment which has been created for remotely provisioning and for scalable IT resources. In simple words we can say,It has been used for remote servers in the internet to store ,process and manage data rather than storing it locally or physically. All you need an Internet connection to access those. In our old days to run an organization we needed a data center,security,storage,cooling,power,servers and storage.Also we need to test our application on different environments like Development,Testing, Staging, Production, DR or Fail over . This is not the...