Answer to Question 1
In the waterfall method, the SDLC tasks occur sequentially, with one activity starting only after the previous one has been completed. The analysis phase nails down the requirements, and at that point the developers estimate the time and resources needed to complete the project. Different people may be engaged in each task, and they hand off their work to the next team when their part is done. While the waterfall method estimates time and resources needed based on the analysis of requirements, the iterative methods do the reverse. Iterative methods focus on the time available until the next release, or iteration, and the development team determines how many of the requirements it can deliver in that timeframe.
Answer to Question 2
TRUE
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