In waterfall model, while your are coding if you happen to
know that one of the requirement was wrong and there will
be no use in implementing it and moreover it is going to
cause problems to the final output. Then do you have the
flexibility to go back and change the requirement?

Is this flexibility there in Vmodel?

Answer Posted / qaprofessional

I think its not possible, as both these are sequential
models! As stated you have started coding, so the design are
completed and the test cases have all been prepared.

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