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The Requirements Analysis phase is crucial in the Software Development Lifecycle (SDLC) as it sets the foundation for the entire development process. This phase involves gathering, analyzing, and documenting functional (e.g., features, behaviors) and non-functional (e.g., performance, security) requirements from stakeholders. Techniques such as interviews, surveys, and brainstorming sessions are used to ensure that all stakeholder needs are captured accurately. These requirements act as a baseline for design and testing. For instance, in developing a banking app, requirements like user authentication, transaction limits, and encryption are clearly defined in this phase to guide the rest of the project. If this phase is not executed properly, it can lead to costly changes later. Why Other Options Are Incorrect :
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