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    Question

    Which of the following phases in the Software

    Development Life Cycle (SDLC) ensures that the final product meets the agreed-upon requirements and specifications?
    A Coding Correct Answer Incorrect Answer
    B Product Design Correct Answer Incorrect Answer
    C Requirement Analysis Correct Answer Incorrect Answer
    D Testing Correct Answer Incorrect Answer
    E Deployment Correct Answer Incorrect Answer

    Solution

    The testing phase in the SDLC is critical for verifying and validating the software to ensure it meets the agreed-upon requirements and specifications. Testing ensures the product is free of bugs and that all functional and non-functional requirements are met. This phase includes various types of testing, such as unit testing (testing individual components), integration testing (ensuring modules work together), system testing (validating the entire application), and user acceptance testing (UAT) (final verification by end-users). The ultimate aim of testing is to deliver a robust and reliable system that satisfies user needs. Testing is also a proactive phase that identifies issues early in the lifecycle, thereby reducing the cost of fixing defects in later stages. Comprehensive testing aligns the product with stakeholder expectations, increases software quality, and minimizes the risk of failure post-deployment. Explanation of Incorrect Options: A) Coding : The coding phase involves writing the actual code for the software. While coding translates design into a functional product, it is not directly responsible for verifying or validating whether the final product meets requirements. Bugs and issues can arise during coding, which are identified and corrected during the testing phase, making this option incorrect. B) Product Design : The design phase focuses on creating blueprints for the software architecture, data flow, and user interface. While it sets the foundation for development, it does not validate the functionality or correctness of the end product. Therefore, it cannot ensure that the product meets the final requirements, making this option incorrect. C) Requirement Analysis :                The requirement analysis phase gathers and documents the functional and non-functional requirements of the software. It defines "what" the system should do but does not validate whether the product actually meets these requirements. Hence, this is incorrect in the context of verifying the product. E) Deployment : The deployment phase involves delivering the software to the production environment or end-users. While it marks the software's official release, it does not validate whether the product meets the requirements. Any undetected issues during testing may lead to problems post-deployment, making this option incorrect.

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