A. All valid traces will include message r.

B. The loop body is not included in a valid trace.

C. Valid traces include both the case where the loop iterates once, and when it iterates zero times.

D. The specification if illegal.

A. flow final nodes

B. joins

C. activity final nodes

D. forks

E. initial nodes

F. merges

G. decisions

A. behaviors

B. test nodes

C. partitions

D. guards

E. clauses

A. cannot be reused as decomposition from another lifeline

B. always refers to methods of the decomposed lifeline

C. must match the constructs of the decomposed lifeline

D. must always be owned by the same interaction as the decomposed lifeline

A. any integer greater than 5

B. infinity

C. 0

D. -1

A. The properties of stereotypes are sometimes referred to as tag definitions. When a stereotype is applied to a model element, the values of the properties may be referred to as tagged values.

B. The properties of stereotypes are sometimes referred to as tagged values. When a stereotype is applied to a model element, the values of the properties may be referred to as tag definitions.

C. The properties of metaclasses are sometimes referred to as tag definitions. When a metaclass is applied to a model element, the values of the properties may be referred to as tagged values.

D. They are synonyms.

A. reads objects and produces output values

B. produces output values

C. reads objects, write objects, and produces output values

D. performs any set of UML actions

E. writes objects and produces output values

A. The thread executing the state machine cannot be pre-empted by the scheduler.

B. Interrupts are disabled while the state machine is running.

C. The executions of orthogonal regions are serialized.

D. No other event will be processed until the current event is fully processed.