In this stage, the final user testing and training are conducted. This stage is called the Deployment stage. In this stage, the complete lifecycle of development, testing and requirement refinement is repeated until final product is developed. In this stage, a physical application system is constructed from the prototype and implementation work plans are developed. This stage is called the Development stage. A design document that contains the layout of the system and test plans is created and the final product of this stage is prototype. In this stage system’s data and process modelling is done using workshops. This stage is called the functional Design stage. At the end of this stage, it gives a clear picture of the information produced and a list of initial features is created based on this information. In this stage of Rapid Application Development, the development team discusses and prepares a high level requirement for the system. Security activity is discussed and the sensitivity of the information is also analyzed. An initial risk assessment is performed to determine the risks occurred during the transmission of user information. It defines the business functions and determines the system’s scope, objectives and functionality. This stage is called the Concept Definition stage. Rapid Application Development methodology includes the following four stages of development:
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