Which is a non-functional requirement?
A) The system must provide logon security at the operating system level and at the application level.
B) Each input form must include date,time,product code,customer number,and quantity.
C) The system must be operational 7 days a week,365 days a year.
D) The website shall report online volume statistics every four hours and hourly during peak periods.

Question

Quizplus · Accepted Answer

Non-functional requirements describe how the system should behave, including performance, security, usability, and reliability. Option C describes the availability of the system, which is a non-functional requirement. Options A, B, and D describe functional requirements, which describe what the system should do.

Which Is a Non-Functional Requirement