Which three statements best describe the waterfall model? (Choose three.) 0 / 1 point All requirements are needed upfront. Correct The waterfall model assumes that all requirements can be gathered upfront and that each phase must be completed before moving to the next. Change management is easy. As a linear process, each phase needs to be completed before moving to the next phase. Correct The Waterfall Process is a sequential, linear methodology that proceeds through SDLC phases in a fixed sequence. The methodology is based on predictability. A project review is done only at the end of the project. Several phases of the project can be started simultaneously. You didn't select all the correct answers