What is specified by a use case?
A. set of user interface screens
B. required usage of the system
C. possible path based on a value
D. business justification for system development
What does the execution occurrence in the exhibit convey?
A. the sending of r
B. that the operation v is called
C. the return of the reply from having performed the operation v
D. the execution of the behavior associated with the operation v on b
What is true about lifelines?
A. represent an individual participant in the interaction
B. express a trace of messages rather than a trace of events
C. express the sequence of interaction usage for a given scenario
D. represent the communication lines between interacting entities
A found message in a UML interaction diagram is a message with what characteristic?
A. the sending event is not present
B. the receiving event is not present
C. has no corresponding execution occurrence
D. chosen by the modeler to consider in this diagram
What constraint applies to a stop in a UML interaction diagram?
A. Only one stop may occur in one interaction.
B. No other event occurrences may appear below a stop on a given lifeline in a simple interaction.
C. If there is a stop on one lifeline, there should be stops on all other lifelines within an interaction.
D. If one lifeline has a stop in one interaction, it should have stops in every interaction that itappears.
In the exhibit, what is a lifeline?
A. Option A
B. Option B
C. Option C
D. Option D
What ordering statement is correct about event occurrences of the interaction Q2 in the exhibit? te sending of p as !p and receiving p as ?p.
A. ?p will precede !r
B. ?q may precede !r
C. ?r will precede ?p
D. !p will precede !q
In a UML 2.0 interaction diagram, what can be accomplished with a general ordering?
A. order any two events within one interaction
B. order interactions in hierarchies of inheritance
C. order the events within a lifeline more flexibly than merely downwards
D. order message arguments differently from the order of the corresponding parameters
Which arrowhead shows that a message represents an asynchronous signal?
A. Option A
B. Option B
C. Option C
D. Option D
What is meant when a lifeline is named by the keyword self?
A. may send messages to itself
B. represents a user external to the owner of this interaction
C. represents the behavior of the object owning this interaction
D. represents a property of the enclosing composite structure named "self"
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