Multiple Choice
Which statement concerning the following diagram 1.0 logical data flow diagram (DFD) is true? 
A) The data flow diagram follows DFD guidelines.
B) An arrow should never leave a bubble with no destination.
C) Data should only flow from a data store.
D) Data flow diagrams (DFDs) at this level should show the external entities.
Correct Answer:
Verified
Correct Answer:
Verified
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