If an input from a source appears on a level-0 diagram, it must:

If an input from a source appears on a level-0 diagram, it must:

If an input from a source appears on a level-0 diagram, it must: 




A. appear on the context diagram.
B. be connected to a data flow.
C. be connected to a sink.
D. be connected to a data store.
E. be connected to two entities.



Answer A


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