OMG-OCUP2-INT200 Online Practice Questions and Answers

What indicates an artifact instance in UML notation? (Choose two.)

A. single sheet icon with a folder-over corner

B. syntactically well-formed file name

C. class box with two smaller rectangles on its left side

D. memo box

E. <> keyword

What does a region in a state machine represent?

A. part of a composite state or a state machine containing transitions and vertices

B. contained state machine

C. concurrent object owned by the context object of the state machine

D. separate thread of execution

E. concurrent state

Triggers on two different transitions originating from two states at different levels of the same state are simultaneously enabled (as shown in the exhibit).

A. The state machine is not well-formed.

B. More deeply nested transitions take precedence over those with less depth.

C. Both transitions are taken in arbitrary order.

D. The less deeply nested transition takes precedence over those with more depth.

What is true when an event does not trigger any transitions in the current state?

A. The state machine is not well formed.

B. The handling of the situation is a semantic point.

C. An exception is raised.

D. The event is discarded.

E. The event is deferred until a state is reached that responds to that trigger.

A protocol state machine can be used to describe which aspect of a component?

A. configuration of an assembly

B. external contract of a component

C. signal flow among connectors

D. internals of a component

For what does an interaction operator define semantics?

A. a particular interaction fragment

B. a particular combined fragment

C. a particular message

D. a particular interaction

What best describes the distinction between a delegation connector and an assembly connector?

A. Assembly connectors provide white box views of components, while delegation connectors provide black box views.

B. An assembly connects two components while a delegation connector connects the internal contract of a component with its external parts.

C. A delegation connector can be used to model the internals of a component, while an assembly connector cannot.

D. An assembly connector connects the required interface or required port on=f one component with the provided interface or provided port of another component, while a delegation connector connects the external contract of a component with its internal parts.

What is the meaning of a required extension?

A. An instance of the extending stereotype must always be linked to an instance of the extended metaclass.

B. This extension has a higher priority than the other defined in the same profile.

C. An instance of the extending stereotype must never be linked to an instance of the extended metaclass.

D. The extension must be applied at least once in a model.

A component may legally participate in which relationship(s)?

A. associations and generalizations

B. dependencies, associations, and generalizations

C. dependencies and generalizations

D. dependencies

In the exhibit, what represents an interaction occurrence?

A. A

B. B

C. C

D. D