An encapsulated classifier is characterized by which fact?
A. has an encapsulation shell
B. can own one or more ports
C. hides information from other classifiers
D. acts as a package and can own one or more classifiers
What must be true for a connector to be well formed if a delegation connector delegates to more than one target port?
A. The interfaces of the target ports must have no features in common.
B. The interface of each of the target ports must be signature compatible with the interface that is the type of the source port.
C. The union of the interfaces of the target ports must be signature compatible with the interface that is the type of the source port.
D. The interface of at least one of the target ports must be signature compatible with the interface that is the type of the source port.
What kinds of arrows connect to central buffers?
A. object flows
B. control flows C. dependencies
D. state transitions
E. message passing
F. unidirectional associations
In the exhibit, what are the valid traces for Cont1?

A. either two p messages or two q messages
B. either p followed by q or q followed by p
C. only a p message followed by a q message
D. any combination of two p messages and two q messages
What is the notation for gates?
A. circular disc at the interaction frame
B. point on the fragment frame with an optional name
C. small arrow either into or out from the fragment frame
D. small rectangle on the fragment frame with associated name
In UML, what kind of behaviors are state machines used to describe?
A. discrete
B. continuous
C. software based
D. continuous or discrete
In a state machine, what is true for a "do" activity of a state?
A. can only appear in a composite state
B. is equivalent to an entry action of a state
C. starts executing when the state is entered D. executes repeatedly as long as the state is active
E. specifies a condition that must always be true when the state is active
What represents the deployment target of a deployed artifact?
A. a shared aggregation relationship
B. the location of the deployed artifact
C. the deployed artifact's output data stream
D. a node instance, but never a property instance
What characteristic does a behavior port possess?
A. is a kind of behavior
B. must have a protocol state machine
C. owns the behavior of the classifier that owns the port
D. defines the behavior that the owning classifier must realize
E. has its own behavior that is distinct from the behavior of the classifier
F. relays any incoming messages directly to the behavior of the owning object
What is the difference between a stereotype and a metaclass?
A. Stereotypes can be specialized, but metaclasses cannot be specialized.
B. Metaclasses can be specialized, but stereotypes cannot be specialized.
C. A metaclass is a limited kind of a stereotype that can only be used in conjunction with one of the stereotypes it limits.
D. A stereotype is a limited kind of a metaclass that can be only be used in conjunction with one of the metaclasses it extends.
E. A stereotype is a specialization of a metaclass that can be used by itself, whereas a metaclass must be used with a stereotype.