SDLC is a structured process guiding software development from planning to maintenance.

It comprises phases like planning, analysis, design, development, testing, deployment, and maintenance.

SDLC ensures systematic development, improving collaboration between teams and software quality.

Common SDLC models include Waterfall, Iterative, and Agile, each with its approach.

Challenges in SDLC implementation include managing changing requirements and technical debt.

Best practices for SDLC include defining clear goals, involving stakeholders, and continuous testing.

SDLC's significance lies in its ability to mitigate risks and ensure successful project delivery.

Testing is integrated throughout SDLC phases, enhancing software reliability and functionality.

The choice of SDLC model depends on project requirements and constraints.

SDLC fosters communication, adaptability, and project transparency, vital for project success.

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