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Some common problems are
- Waterfall model is not ideal for complex projects where requirements are not clear
- It needs lots of time to complete in every stage.
- There are certain bugs which never fixed in this model.
- What is verification and validation?And-Verification is a process which refers to the set of activities which make sure the software implements a specific function.Validation is a process which is a set of activities which makes sure that the software which has been built according to the needs of clients.
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