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Which of the Following Would Be a "Miracle" Error on a DFD

Question 45

Multiple Choice

Which of the following would be a "miracle" error on a DFD?


A) A data store has only an output data flow
B) A data store has only an input data flow
C) A process has no input data flows
D) A process has no output data flows
E) An external entity shows up on a Level 2 diagram

Correct Answer:

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