<ul><li>The IT software life cycle consists of several phases: planning, design, development, testing, deployment, and maintenance.</li><li>Challenges in the planning phase include timeline setting, resource estimation, risk management, and feasibility study.</li><li>Best practices in the design phase involve defining system architecture, user interface design, database schema, and selecting a tech stack.</li><li>Challenges in the development phase include iterative coding, particularly in Agile settings, and refining the product through feedback loops.</li><li>Testing phase includes various types of testing like unit, integration, system, user acceptance, and performance testing. Continuous testing is crucial.</li><li>Deployment phase involves setting up infrastructure, migrating data, and deploying through strategies like blue-green deployment and rolling updates.</li><li>Maintenance phase requires fixing bugs, improving performance, adapting to user needs, and keeping software secure and compatible with advancements.</li></ul>

Navigating the IT Software Life Cycle: From Conception to Maintenance

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