ITPEC FE Subject A October 2024 Question 48
ITPEC FE Subject A October 2024 — Question 48 of 60
Clarifying the interface for exchanging information with other systems is a non-functional requirement — it defines a technical constraint on system interaction, not a business function.
Why not others:
- (a) Clarifying data flow between business functions — this is business process analysis, done before requirements definition
- (c) Creating technical standards per programming language — this belongs to the development/design phase, not requirements definition
- (d) Defining scope of system functions — this defines functional requirements (what the system does)
Key rule: Functional = what the system does. Non-functional = how it operates (performance, interfaces, security, constraints).
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