Question

explain when it is preferable to use waterfall model and Agile model

Answer 1

Answer:

• Waterfall model is ideal for projects which have defined requirements, and no changes are expected. On the other hand, Agile is best suited where there is a higher chance of frequent requirement changes. The waterfall is easy to manage, sequential, and rigid method. ... In Agile process, requirements can change frequently.
• The Waterfall model is the earliest SDLC approach that was used for software development. The waterfall Model illustrates the software development process in a linear sequential flow. This means that any phase in the development process begins only if the previous phase is complete.
• Agile Methodology is a type of project management process. ... The agile method is based on giving high priority to customer participation, from the very beginning of the development cycle. The objective is to keep the client involved at every step so that they have a product that they are happy with at the end.