Question: Question 2 0 On a logical data flow diagram ( DFD ) , data flows: never go from a igher - numbered to a lower

Question 20
On a logical data flow diagram (DFD), data flows:
never go from a igher-numbered to a lower-numbered bubble
can go in either direction as needed
must go from a bubble to a square
always go from a higher-numbered to a lower-numbered bubble
Question 20 On a logical data flow diagram (DFD), data flows:

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