Which of the following statements is true about the Waterfall Approach?

A.
The five steps in the process are considered valid for BI software development projects.

B.
Each step is performed in sequence but you return to previous steps at specific points in the
development cycle.

C.
It is designed so that requirements that are not discovered in the Analysis step will cascade out
during the design phase.

D.
Project management tools no longer encourage the Waterfall Approach.