Software Engineering - Coping with Change in Large Projects
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Questions and Answers

What is a key factor to consider in large, complex, long-lifetime systems according to the text?

  • Developing reusable components from scratch
  • Incremental development for each team
  • Establishing a stable framework or architecture (correct)
  • Defining individual team responsibilities without an architecture

    • Which software engineering approach focuses on integrating reusable components instead of developing them anew?

  • Extreme Programming
  • Reuse-Oriented Software Engineering (correct)
  • Waterfall Model
  • Agile Software Development

    • What are COTS systems in the context of software components?

  • Reusable commercial off-the-shelf systems (correct)
  • Web services for remote invocation
  • Components that are developed from scratch
  • Stand-alone software systems configured for a specific environment

    • What distinguishes web services developed according to service standards as a software component?

    <p>Available for remote invocation</p> Signup and view all the answers

    Which type of software components is designed to be integrated with frameworks like .NET or J2EE?

    <p>Collections of objects developed as a package</p> Signup and view all the answers

    Why is planning in advance crucial for developing large, complex, long-lifetime systems according to the text?

    <p>To establish a stable framework or architecture</p> Signup and view all the answers

    What is the primary reason for lack of control over system evolution when using reusable components?

    <p>The organization has no control over updates to the reusable components</p> Signup and view all the answers

    What is the purpose of developing a prototype system before committing to high software production costs?

    <p>To validate the software requirements with customers</p> Signup and view all the answers

    Which approach is primarily concerned with accommodating changes at a relatively low cost?

    <p>Change tolerance</p> Signup and view all the answers

    What is the key advantage of incremental development in the context of accommodating changes?

    <p>Proposed changes can be implemented in increments that have not yet been developed</p> Signup and view all the answers

    Which of the following is NOT a reason for change in large software projects mentioned in the text?

    <p>Changes in development team composition</p> Signup and view all the answers

    What is the primary goal of change avoidance activities in the software process?

    <p>To anticipate possible changes before significant rework is required</p> Signup and view all the answers

    Which of the following is NOT a key benefit of the incremental development approach compared to the waterfall model?

    <p>The process is more visible, allowing managers to measure progress regularly.</p> Signup and view all the answers

    What is the most common approach for the development of application systems today?

    <p>A mixture of plan-driven and agile approaches</p> Signup and view all the answers

    Which of the following is a problem with the incremental approach from a management perspective?

    <p>The process is not visible, as managers need regular deliverables to measure progress.</p> Signup and view all the answers

    What is the primary reason that incorporating further software changes becomes increasingly difficult and costly in the incremental approach?

    <p>Unless time and money is spent on refactoring to improve the software, regular change tends to corrupt its structure.</p> Signup and view all the answers

    What is the main advantage of the incremental development approach compared to the waterfall model in terms of software delivery?

    <p>More rapid delivery and deployment of useful software to the customer is possible, even if all of the functionality has not been included.</p> Signup and view all the answers

    Which of the following is a problem that can arise with the incremental approach if refactoring is not performed?

    <p>System structure tends to degrade as new increments are added, making incorporating further changes increasingly difficult and costly.</p> Signup and view all the answers

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