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    Question

    Which of the following describes a major benefit of Continuous Integration (CI) in the software development lifecycle? 

    A It ensures that every new feature is tested in isolation from the rest of the codebase. Correct Answer Incorrect Answer
    B It reduces the time between writing code and delivering a fully tested, production-ready application. Correct Answer Incorrect Answer
    C It eliminates the need for version control systems such as Git. Correct Answer Incorrect Answer
    D It allows developers to write code without needing to worry about automated testing. Correct Answer Incorrect Answer
    E It requires developers to write extensive documentation before deploying the code. Correct Answer Incorrect Answer

    Solution

    Continuous Integration (CI) is a software development practice where developers frequently commit code changes to the repository. Automated builds and tests are triggered with every commit, allowing teams to detect integration errors early in the development process. The primary benefit of CI is that it reduces the time between writing code and delivering a fully tested, production-ready application, improving both development speed and product quality. This leads to faster releases and more reliable software. Option A (Feature testing in isolation): This is incorrect. CI focuses on integrating and testing the code frequently, not isolating features. However, unit testing can be part of the CI process. Option C (Eliminates version control systems): This is incorrect. CI actually relies heavily on version control systems (e.g., Git) to manage and track code changes. Option D (No need for automated testing): This is incorrect. CI requires automated testing to verify that the changes do not break the existing code and meet quality standards. Option E (Requires extensive documentation): This is incorrect. CI does not focus on documentation but on automated processes for building, testing, and integrating code quickly.

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