Software Processes: Incremental Delivery
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Questions and Answers

What is a key advantage of agile processes over plan-driven processes?

  • Difficulty in accommodating changes
  • Incremental planning (correct)
  • Separate and distinct phases
  • Easier to follow a strict plan

    • Which software process model involves interleaved activities like specification, development, and validation?

  • Waterfall model
  • Spiral model
  • Reuse-oriented software engineering
  • Incremental development (correct)

    • What is a drawback of the waterfall model according to the text?

  • Flexibility in adapting to new requirements
  • Difficulty of accommodating changes (correct)
  • Ease of adjusting phases
  • Interleaved activities

    • Which approach involves assembling a system from existing components?

    <p>Reuse-oriented software engineering</p> Signup and view all the answers

    In which model are separate phases like requirements analysis, design, and testing distinctly identified?

    <p>Waterfall model</p> Signup and view all the answers

    Which concept involves incorporating elements from different software process models?

    <p>Agile methods</p> Signup and view all the answers

    What is a key benefit of the incremental development model compared to the waterfall model?

    <p>It requires less analysis and documentation to be redone when requirements change.</p> Signup and view all the answers

    Which of the following is a drawback of the incremental development model?

    <p>It is less visible to managers who need regular deliverables to measure progress.</p> Signup and view all the answers

    Which software development model is described as being 'plan-driven' and useful for 'large systems engineering projects where a system is developed at several sites'?

    <p>The waterfall model</p> Signup and view all the answers

    What is a key advantage of the incremental development model over the waterfall model in terms of customer value?

    <p>It allows for more rapid delivery and deployment of useful software to the customer.</p> Signup and view all the answers

    Which software development approach is described as being 'iterative' and allowing 'customers to comment on demonstrations of the software and see how much has been implemented'?

    <p>The incremental development model</p> Signup and view all the answers

    Which software development approach is characterized by 'the plan-driven nature' and is 'only appropriate when the requirements are well-understood and changes will be fairly limited'?

    <p>The waterfall model</p> Signup and view all the answers

    What is the main benefit of incremental delivery?

    <p>Customer value can be delivered with each increment, providing early system functionality.</p> Signup and view all the answers

    Which of the following is NOT a characteristic of incremental development?

    <p>Freeze requirements for all increments before starting development.</p> Signup and view all the answers

    What is an advantage of using incremental delivery for system development?

    <p>Early increments can act as a prototype to help elicit requirements for later increments.</p> Signup and view all the answers

    Which software development model is closely associated with incremental delivery?

    <p>Agile methods</p> Signup and view all the answers

    What is a potential challenge of using incremental delivery for replacement systems?

    <p>Increments have less functionality than the system being replaced, which can be difficult to implement.</p> Signup and view all the answers

    What is a potential benefit of incremental delivery in terms of risk management?

    <p>Lower risk of overall project failure.</p> Signup and view all the answers

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