In a sequence diagram a horizontal dashed line represents what?

A. A return message

B. An input message

C. A lifeline

D. An event

Question 2 of 10

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In UML terminology in a sequence diagram, a message refers to a(n) _______.

A. input data

B. communication between actors

C. event

D. action

Question 3 of 10

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The ____ are the primary models from which other models draw information.

A. state chart diagram and the problem domain class diagram.

B. system sequence diagram and the activity diagram

C. use case diagram and the problem domain class diagram

D. use case description and the use case diagram

Question 4 of 10

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If the True/False condition on a message evaluates to false in a sequence diagram, which of the following is correct?

A. The message is false.

B. The message has no return value.

C. The message is not processed.

D. The message is not sent.

Question 5 of 10

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CRUD stands for _______________.

A. Create, Read, Update, Delete

B. Create, Report, Upload, Destroy

C. Create, Retract, Unload, Define

D. Create, Refine, Update, Define

Question 6 of 10

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In a fully developed use case description normally the preconditions describe what?

A. What objects must exist prior to the use case executes.

B. What data the actor must have before the use case executes.

C. Who the actors are that invoke the use case.

D. What business conditions must occur before the use case is invoked.

Question 7 of 10

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In a fully developed use case description, the flow of activities is most similar to what?

A. An activity diagram

B. A class diagram

C. A state chart diagram

D. A system sequence diagram

Question 8 of 10

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On an SSD, a dashed arrow usually represents what?

A. Object lifeline

B. Optional message

C. External message

D. Return value(s)

Question 9 of 10

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What is the primary purpose of the CRUD technique?

A. To identify areas of erroneous definition (CRUD).

B. To validate the set of defined use cases

C. To validate the set of classes

D. To validate the interests of the stakeholders

Question 10 of 10

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Numbering exception conditions, which often uses hierarchical numbering, in a fully developed use case description is helpful to _______.

A. tie exception conditions to other diagrams or descriptions

B. show which exception conditions are subordinate to other exceptions

C. provide an identifier for each exception condition

D. tie the exception condition to a processing step