When you are updating the data elements in the data flows (when creating a physical DFD)you might need to:
A)Return to users to interview them about the physical data flows
B)Update the original cost/benefit analysis to reflect the physical storage
C)Do a technology analysis
D)Add physical data elements to the metadata descriptions in the CASE repository
E)Do formal benchmarking of the data flows

Question

Quizplus · Accepted Answer

When creating a physical DFD, updating the physical data elements in the data flows involves adding them to the metadata descriptions in the CASE repository. This allows for easy reference and maintenance of the data elements as they are developed and refined. It is not necessary to return to users to interview them again, update the cost/benefit analysis, do a technology analysis, or perform formal benchmarking for this specific task.

When You Are Updating the Data Elements in the Data