HKSM
Quality Requirement
A defined condition or capability used to verify that a result's quality attributes are acceptable and conform to agreed standards.
Key Points
- Specifies measurable criteria or standards for quality attributes such as performance, reliability, security, or usability.
- Guides quality planning, assurance, and control by stating what acceptable quality looks like.
- Often expressed as metrics, thresholds, tolerances, tests, or acceptance criteria.
- Is traceable to stakeholder needs and verified through inspection, testing, or analysis.
Example
A web service must return responses within 2 seconds for at least 95% of requests under a load of 500 concurrent users. During system testing, this requirement is measured to decide if the deliverable meets the project's performance quality expectations.
PMP Example Question
Which statement best describes a quality requirement?
- A document that lists all identified project risks.
- A condition or capability used to evaluate if a deliverable's quality attribute meets acceptance criteria.
- The process of monitoring and controlling project costs.
- A scheduled milestone indicating phase completion.
Correct Answer: B — a measurable condition used to judge quality acceptability
Explanation: A quality requirement defines how acceptability of a deliverable's quality attributes will be verified against agreed standards or criteria.
