The systems development life cycle

  The systems development life cycle illustrates the end-to-end process for developing and maintaining software. Gregory (2020) discussed SDLC from the waterfall model perspective. Discuss each phase of the waterfall model of SDLC. Identify other models similar to a waterfall. Which is the most important phase of SDLC, and what are common problems that you can face in the process of SDLC?