Question 1.
For what does an interaction operator define semantics?

A. a particular interaction fragment
B. a particular interaction
C. a particular message
D. a particular combined fragment

Answer: D

Question 2.
Which relationships would make the model in the exhibit ill-formed?
 

A. SpecialOrder and Order are related to each other via an association.
B. SpecialOrder is a subtype of Order.
C. Order is a subtype of SpecialOrder.
D. SpecialOrder and Order are related to each other via a dependency.

Answer: C

Question 3.
What situation results from performing a CreateObjectAction on an abstract class?

A. arbitrary object of one of its subclasses being created
B. undefined behavior
C. object of the specified class being created
D. error log entry being created
E. exception being raised

Answer: B

Question 4.
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?

A. opt
B. par
C. alt
D. break
E. var

Answer: C

Question 5.
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?
 

A. The state machine is not well-formed.
B. The less deeply nested transition takes precedence over those with more depth.
C. More deeply nested transitions take precedence over those with less depth.
D. Both transitions are taken in arbitrary order.

Answer: C

Question 6.
What kinds of arrows connect to central buffers?

A. control flows
B. unidirectional associations
C. object flows
D. state transitions
E. message passing
F. dependencies

Answer: C

Question 7.
What does a loop node consist of?

A. clauses
B. partitions
C. parameters
D. bodyPart nodes
E. behaviors
F. guards

Answer: D

Question 8.
What is a combined fragment?

A. more than one interaction combined in an interaction overview diagram
B. an interaction occurrence covering more than one lifeline
C. the combination of decomposed lifelines
D. a construct with interaction operands and an interaction operator

Answer: D

Question 9.
Assume that !p means sending message p and ?p receiving it. In the exhibit, what is true about Mneg?
 

A. Neither p nor q should be sent between a and b.
B.  is an invalid trace according to Mneg.
C. p and q should not be sent concurrently from a to b.
D.  is an invalid trace according to Mneg.

Answer: D

Question 10.
What is NOT true of a CreateObjectAction?

A. classifier must be abstract
B. classifier cannot be abstract
C. classifier cannot be an association class
D. output pin has multiplicity [1..1]
E. type of the output pin is the classifier.
F. output pin has multiplicity [1..*]

Answer: A, F

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