CBAP Business Analyst Exam Prep

Answer: C - One of the weakness of reverse engineering as a method for requirements elicitation is that it is time consuming and expensive.

Key Takeaway: Reverse engineering is done after management conducts a cost-benefit analysis on whether to update a system so that good documentation is available or to work backwards and develop the documentation themselves. If it is too expensive to replace a system, then reverse engineering provides an alternative.

In many cases, however, reverse engineering, can be time consuming and expensive. This is especially true if the system is complex and has not been analyzed in a long period of time.