The Relationship Between Use Cases and Data Flow Diagrams Is

question 75

Multiple Choice

The relationship between use cases and data flow diagrams is:

• A)Use cases tend to be developed with users to make sure the analyst has fully captured the processes and relationships;DFD's are built upon the use cases to more fully formally understand the processes involved
• B)Both are tools in a systems analysts toolbox,although they do unrelated things
• C)Use cases are developed by users exclusively;while DFD's are developed by analysts exclusively
• D)Use cases come out of JAD sessions and clarify what was discussed by users in those sessions;DFD's come out of analysts interviews.
• E)They are the same thing - use cases are process models using the DeMarco and Yourdon notation;and DFD's are process models using the Gane and Sarson notation.

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