A. An action begins executing when the precondition becomes true.

B. An activity begins executing when the precondition becomes true.

C. An action may not begin executing unless the precondition is true.

D. An activity may not begin executing unless the precondition is true.

E. The modeler expects the precondition to be true when an activity begins executing.

F. The modeler expects the precondition to be true when an action begins executing.

A. the actions of its protocol state machine

B. one or more guard conditions of a protocol state machine

C. the set of its features

D. the parameters of its protocol state machine

E. comments attached to the corresponding features

A. selection

B. ordering

C. transformation

D. weight

E. effect

F. upper bound

A. when expressing the postconditions of an operation

B. when the stereotype <<volatile>> is used

C. when expressing the preconditions of an operation

D. in all circumstances

E. never

A. parts of type Nodule

B. an elaborate arrangement of classifiers of various types

C. nodes cannot have internal structure

D. parts of type Node

E. exactly three CommuncationPath connectors

A. <<manifest>> arrowhead should be hollow.

B. Icons are swapped.

C. Interface on Order should point up.

D. <<manifest>> arrowhead should be solid.

E. <<manifest>> arrow should have a dashed line.

A. OCL is a programming language.

B. OCL is a programming and procedural language.

C. OCL is a typed language.

D. OCL is a query language.

E. OCL is a procedural language.

F. OCL is a specification language.

A. can have properties in addition to the ones from the class it is binding

B. can be used as the superclass of another class

C. can only have one binding

D. is a class that is used as an lower or upper bound of interval specifications

E. is a class that is bound by association with another class to be used in a specific context

A. objects of class C

B. classes that are subclasses of C

C. classes that are associated with class C

D. objects of class C or of subclasses of C

A. p is a behavior port.

B. p is a hidden port.

C. p is a port providing a system service.

D. p is a port on a part of composite C, which is not shown.