Which two of the following requirements are examples of quality requirements? (Choose two.)
Which two of the following requirements are examples of quality requirements? (Choose two.)
Quality requirements, often referred to as non-functional requirements, are conditions that a system must meet regarding performance, reliability, maintainability, and other systemic qualities. 'Up to 40,000 requests per day' is a performance-related quality requirement, whereas 'Failure rate is less than 0.1%' pertains to reliability and availability. 'User should be able to select the sort order freely' and 'Spelling is corrected automatically' describe functional requirements, focusing on specific desired functionalities.
A-D is the answer
A - Performance, B-Usability
B and C are features, not quality requirements.
Taken from the Software Architecture Fundamentals book. A and D are quality scenarios, not quality requirements.