Which model phases are not fixed?*EvolutionaryWaterfallV-ModelSpiral
Question
Which model phases are not fixed?*EvolutionaryWaterfallV-ModelSpiral
Solution
The Spiral and Evolutionary models are not fixed. These models are flexible and allow for changes during the software development process. On the other hand, the Waterfall and V-Model are fixed models, where each phase must be completed before moving on to the next, and changes are not easily accommodated once a phase is completed.
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