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Which two models doesn’t allow defining requirements early in the cycle?(a) Waterfall & RAD(b) Prototyping & Spiral(c) Prototyping & RAD(d) Waterfall & SpiralThe question was posed to me by my school teacher while I was bunking the class.My enquiry is from Selection of a Life Cycle Model in portion Software Processes, Models and Agile Software Development of Software Engineering

Answer»

Correct option is (B) Prototyping & Spiral

The explanation: Prototyping Model starts with a REQUIREMENTS analysis phase including techniques like FAST, QFD, Brainstorming.In case of Spiral model the first phase involves ACTIVITIES RELATED to customer communication like determining objectives.



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