Certified Information Professional (CIP)

In requirements gathering, what is the difference between a 'functional' and a 'non-functional' requirement?

Functional requirements describe what a system must do; non-functional requirements describe how well it must do it Functional requirements are written by developers; non-functional requirements are written by business analysts Functional requirements apply to hardware; non-functional requirements apply to software Functional requirements relate to security; non-functional requirements relate to usability

Correct Answer:

Functional requirements describe what a system must do; non-functional requirements describe how well it must do it

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