OMG Exam OMG-OCUP2-FOUND100 Topic 3 Question 15 Discussion

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

UML 2.5.1 Specification (Superstructure): Sections on Activity Diagrams and Actionshttps://www.omg.org/spec/UML/2.5.1/