SDLC%20Interview%20Questions%20and%20Answers

Question: Explain when to use the spiral model.

Spiral model should be used when:

a) Prototypes are expected/needed.
b) Large and high budget projects
c) When risk assessment is very critical
d) Requirements are not very clearly defined.
e) Requirements are vague and even complex
f) The organization does not have much experience with the domain.
g) Ample time is available.