Systems Analyst interview question
What is the difference between functional and non-functional requirements?
Show practical understanding of user behaviour, quality attributes, and measurable constraints.
A useful answer structure
Answer from your own work.
- 01Start with a precise definition and the constraint it solves.
- 02Explain how user behaviour, quality attributes, and measurable constraints changes your implementation or decision.
- 03Finish with a production example, risk, or verification signal.
Do not memorise a script: use only examples you can explain honestly in follow-up questions.
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