3 3 votes Which one of the following is a functional requirement ? Maintainability Portability Robustness None of the mentioned IS&Software Engineering is&software-engineering isro2016 + – Desert_Warrior 14.9k views answer comment Share Follow Print See 1 comment 1 1 comment reply Desert_Warrior commented Jul 3, 2016 reply Follow flag D? 0 0 replyShare Please log in or register to add a comment.
Best answer 10 10 votes Answer : Option D Functional requirementsDefinition : Any requirement which specifies what the system should do. Few Examples Business Rules Transaction corrections, adjustments and cancellations Administrative functions Authentication Authorization levelsNon-functional requirementsDefinition : Any requirement which specifies how the system performs a certain function. Few Examples Performance Scalability Capacity Availability Reliability Recoverability Maintainability Reference : Click Me shekhar chauhan answered Jul 3, 2016 • selected Jul 3, 2016 by LeenSharma shekhar chauhan comment Share Follow 0 reply Please log in or register to add a comment.
2 2 votes D).none of these https://en.m.wikipedia.org/wiki/Functional_requirement Maintainability , testability and portability are non functional requirements or quality features. Kapil answered Jul 3, 2016 Kapil comment Share Follow 0 reply Please log in or register to add a comment.