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    Question

    What is the primary characteristic of the Spiral Model in software development?

    A It follows a linear and sequential approach where each phase must be completed before the next phase begins. Correct Answer Incorrect Answer
    B It emphasizes iterative development with a focus on risk assessment and refinement through multiple iterations or "spins." Correct Answer Incorrect Answer
    C It requires that all requirements are defined and documented before any development work begins. Correct Answer Incorrect Answer
    D It uses a rigid, waterfall-like approach to project management with no flexibility for changes once the project is underway. Correct Answer Incorrect Answer
    E It involves a single, comprehensive design phase followed by coding, testing, and deployment. Correct Answer Incorrect Answer

    Solution

    The Spiral Model is a software development methodology that combines iterative development with systematic aspects of the waterfall model. Its primary characteristics include: • Iterative Development: The Spiral Model is iterative, meaning that the project is divided into several cycles or "spirals." Each spiral represents a phase of development where requirements are analyzed, design is refined, and the product is developed and tested. The process is repeated with each iteration, allowing for continuous improvement and refinement. • Risk Assessment: A key feature of the Spiral Model is its focus on risk assessment. Each spiral involves evaluating potential risks associated with the project and developing strategies to mitigate them. This proactive approach helps identify and address potential issues early in the development process, reducing the likelihood of costly problems later on. • Refinement Through Iterations: The Spiral Model allows for refinement of requirements and design through multiple iterations. As each spiral progresses, feedback from previous iterations is used to make adjustments and improvements. This iterative process helps ensure that the final product aligns with user needs and expectations.

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