Discussion
In software development process, ...................... is based on iterative incremental delivery as a response to changing and emergent requirements.
Answer: A
The model is the Agile development model.
Agile methods, such as Scrum and Extreme Programming, deliver working software in short iterations, each adding an increment, and treat changing and emerging requirements as normal: the plan is revised after every iteration in response to feedback.
The evolutionary model also grows a system in versions, but it is defined by refining an initial prototype rather than by short, change-driven delivery cycles. Rapid application development stresses speed through reusable components and prototyping, and open source development describes a community-based way of building software, not a response to changing requirements.
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