For what does an interaction operator define semantics?
Answer : D
Which relationships would make the model in the exhibit ill-formed?
Answer : C
What situation results from performing a CreateObjectAction on an abstract class?
Answer : B
When either a message m or a message q is to be sent-but not both-what kind of operator for combined fragment would be used?
Answer : C
Triggers on two different transitions originating from two states at different levels of the same state are simultaneously enabled (as shown in the exhibit). What does this mean?
Answer : C