Which software development model is best suited when requirements are unclear, rapidly changing, or when early user feedback on user interfaces is critical?
Option C is correct. The Prototyping Model builds an initial working mock-up (prototype) to help stakeholders understand and refine fuzzy or evolving requirements before full-scale coding begins.
According to the Agile Manifesto, what key value is prioritized over 'Comprehensive Documentation'?
Option A is correct. The Agile Manifesto states: 'Working software over comprehensive documentation'. While documentation is useful, delivering functional software provides real value to users faster.
In the Scrum framework, who is solely responsible for managing and prioritizing the Product Backlog items to maximize business value?
Option B is correct. The Product Owner represents stakeholders and customers, maintaining ownership of the Product Backlog, defining user stories, and prioritizing items based on business value.
In Scrum methodology, what is the fixed time-box duration typically assigned to a single Sprint iteration?
Option C is correct. A Sprint in Scrum is a time-boxed iteration usually lasting between 1 to 4 weeks (most commonly 2 weeks), ending with a potentially releasable Increment of software.
What is the difference between functional and non-functional requirements in software engineering?
Functional requirements define what the system should do, while non-functional requirements specify qualities such as performance, reliability, and usability.