ITPEC IP October 2019 Question 50
ITPEC IP October 2019 — Question 50 of 100
Analyzing an existing program to recover its design, structure, and documentation is reverse engineering. It works backward from implemented code and behavior toward higher-level representations so maintainers can understand a poorly documented system.
Answer (d)
Why not others:
- waterfall and spiral are software-development lifecycle models
- prototyping creates an early model to explore or validate requirements
- none of these three specifically derives design information from existing code
Key rule: Forward engineering builds software from designs; reverse engineering reconstructs knowledge and models from an existing implementation.
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