Which of the following are true with respect to data associations? a. It is modeled as a

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Which of the following are true with respect to data associations?
a. It is modeled as a dotted arrow.
b. The association arrowhead shows the direction of data flow.
c. Tokens flow across data associations.
d. Gateways can be used to show optional data updates.
e. Both a and b are true.

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Accounting Information Systems

ISBN: 9781260571080

3rd International Edition

Authors: Vernon Richardson

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