Which of the following can be used to assess the impact of a proposed software...

A traceability matrix can be used to assess the impact of a proposed software change. This tool maps requirements to their corresponding test cases, ensuring that all requirements are covered and helping to identify the effects of changes on existing functionality. By providing a clear link between requirements, development, and testing, a traceability matrix facilitates impact analysis and helps in maintaining the integrity of the system during changes.

References:

"Software Requirements Traceability" by Anne Mette Jonsson and Jørgen Holm Westergaard

"Managing Software Requirements: A Unified Approach" by Dean Leffingwell and Don Widrig