Although a user directory is treated as a file, it is flagged to indicate to the file manager that this file is really a subdirectory whose records are filenames that point to files.
The answer is A you’re welcome
Answer: D) Identifying GUI's for a particular requirement
Explanation:
Traceability of requirements is helpful except identifying GUI's for a particular requirements as, traceability in project management describe the relationships between two or more element throughout in the development process and outline the relationship between the customer requirement by traceability matrix. And the requirement of traceability is so important because it creating a downstream flow of software and test cases in software requirement but not helpful in GUI identification.
The answer is c
just replace the y with the y value and the x with the x value