Choose the correct answer:
How many valid Action notations are shown below?
UML 2 Foundation concepts for activity diagrams, there are three valid action notations shown. Here's a breakdown of the elements and why answer D is the most accurate:
The diagram displays an activity diagram with a main flow and a fork followed by a join.
Main Flow:This starts with an action labeled 'Fill Order'.
Fork:The path splits into two branches after 'Fill Order'.
Branch 1:This branch leads to an action labeled 'Print Paycheck'.
Branch 2:This branch leads to an action labeled 'Send Invoice'.
Join:The two branches converge into a join element.
Following the Join:An action labeled 'End' is present after the join.
Explanation for Valid Actions:
Fill Order:This clearly represents an action within the activity diagram.
Print Paycheck:This is another valid action on a separate branch.
Send Invoice:Similarly, this is an action on the other branch.
Explanation for Why Other Options are Incorrect:
A . 0:There are clearly multiple actions depicted in the diagram.
B . 1:There are more than one valid action shown.
C . 2:While there are actions before the fork, there's also a valid action ('End') after the join.
E . 4:Counting the join element as an action results in an overcount. Joins represent control flow elements to synchronize multiple paths, not actions themselves.
Reference
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