Which model can be selected if user is involved in all the phases of SDLC? A) Waterfall Model B) Prototyping Model C) RAD Model D) both Prototyping Model & RAD Model Related MCQs: SDLC stands for ……? Which one of the following model is not suitable for accommodating any change? Which one of the following is not a phase of the Prototyping Model? What is the major drawback of using RAD Model?