Which of the following are criteria used to determine quality requirements relationships?

Question

Options

• ANecessity, validate, derive
• BComplexity, stability, status
• CNecessary, consistent, correct
• DPenalty, benefit, cost

• A
  3% (2)
• B
  8% (5)
• C
  86% (51)
• D
  2% (1)

Explanation

Option C is correct because Necessary, Consistent, and Correct are established quality criteria for evaluating requirements relationships - a requirement must be truly needed (necessary), must not conflict with other requirements (consistent), and must accurately reflect stakeholder needs (correct). These criteria appear in requirements engineering standards such as the BABOK and IEEE 830 as core quality attributes.

Option A is wrong because "validate" and "derive" are requirements activities or relationship types, not quality criteria - deriving a requirement means it originates from a higher-level requirement, which is a traceability concept, not a quality measure. Option B is wrong because complexity, stability, and status are requirement attributes used for classification and management (e.g., prioritization), not for judging relational quality. Option D is wrong because penalty, benefit, and cost belong to cost-benefit or risk analysis frameworks, unrelated to requirements quality relationships.

Memory tip: Think "NCC" - like a certification stamp. Before a requirement "passes inspection," ask: Is it Necessary? Is it Consistent? Is it Correct?

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