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In which condition waterfall model, you are suggested to use the waterfall model?

4. In which condition waterfall model, you are suggested to use the waterfall model?

1. When you know all the requirements
2. When there is no time limit
3. When there is no relation between the customer
4. When the project is highly complex

Answer: A) When you know all the requirements.

Explanation:

Waterfall model should be used only when you know all the requirements clearly without any doubt and also when the length of the project to be made is quite small.