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QUESTION 26
An activity is what kind of element?
A. action
B. method
C. behavior
D. collaboration
E. state machine
Correct Answer: C
QUESTION 27
What does an activity contain?(Choose two)
A. edges
B. nodes
C. states
D. classes E. lifelines
F. messages

Correct Answer: AB
QUESTION 28
What do arrows in activity diagrams represent? (Choose two)
A. object flows
B. control flows
C. dependencies
D. state transitions
E. message passing
F. unidirectional associations

Correct Answer: AB
QUESTION 29
What does the symbol in the exhibit represent in UML 2.0 activity diagrams?

A. state
B. action
C. activity
D. behavior
E. object node
F. control node

Correct Answer: E
QUESTION 30
What does a rectangle on the border of an activity diagram (as depicted in the exhibit) esent in UML 2.0 activity diagrams?

A. pin
B. port
C. place
D. entry state
E. parameter node

Correct Answer: E
QUESTION 31
What does a solid circle (as depicted in the exhibit) represent in UML 2.0 activity diagrams?

A. joins
B. forks
C. merges
D. decisions
E. initial nodes
F. flow final nodes
G. activity final nodes

Correct Answer: E
QUESTION 32
What does amond shape (as depicted in the exhibit) represent in UML 2.0 activity rams? (Choose two)

A. joins
B. forks
C. merges
D. decisions
E. initial nodes
F. flow final nodes
G. activity final nodes

Correct Answer: CD
QUESTION 33
What do arrowed lines connecting to and from a rectangle (as depicted in the exhibit) represent in UML 2.0 activity diagrams?

A. object flows
B. control flows
C. dependencies
D. state transitions
E. message passing
F. unidirectional associations

Correct Answer: A QUESTION 34
Which elements in an activity diagram can be redefined by which other elements? (Choose two)
A. nodes by nodes
B. nodes by edges
C. edges by edges
D. edges by nodes
E. states by states
F. transitions by transitions

Correct Answer: AC
QUESTION 35
Which element in the diagram is the correct label for a lifeline?

A. b
B. M
C. p
D. C2
E. a:C1

Correct Answer: E
QUESTION 36
In the exhibit, there is one element with the identifier b. is true about this element?

A. b is a class.
B. b is of the type C2.
C. b is defined local to M.
D. b is contained in class C2.
E. b must be a property of a composite structure.

Correct Answer: B
QUESTION 37
Let us denote sending of p as !p and receiving p as ?p. Which traces define the interaction M in the exhibit? (Choose two)

A. <!p, ?p, !q, ?q>
B. <!p, !q, ?p, ?q>
C. <!p, ?q, !q, ?p>
D. <!q, !p, ?p, ?q>
E. <?p, !p, ?q, !q>

Correct Answer: AB
QUESTION 38
Which arrowhead shows that the message represents an operation call, rather than a signal, in UML 2.0?

A. Option A
B. Option B
C. Option C
D. Option D

Correct Answer: A
QUESTION 39
When a message corresponds to an operation call, what is true about the arguments in UML 2.0?
A. Message arguments must always be constants or attributes of the sender.
B. All the parameters of the operation must be matched by message arguments.
C. A message argument should be of exactly the same type as the parameters of the corresponding operation.
D. The message arguments must the same type as the parameters of the corresponding operation or a subset of the parameters of the corresponding operation.

Correct Answer: D
QUESTION 40
Which keyword denotes a lifeline that represents the object owning the lifeline?
A. own
B. self
C. this
D. object
E. ncloser?
Correct Answer: B
QUESTION 41
What is a selector of a lifeline?
A. a scheduler that chooses the next lifeline on which to run
B. a specific lifeline that selects a resource from a resource pool
C. a construct to select one lifeline out of all the lifelines in the diagram
D. an expression selecting one out of a set; a general indexing mechanism

Correct Answer: D
QUESTION 42
There is an element identified as r in the exhibit. What does this element describe in a UML 2.0 interaction diagram?

A. timing signal from b
B. found message, found by b
C. lost message originating from b
D. synchronous message to the environment of R
E. asynchronous message to the environment of R

Correct Answer: E
QUESTION 43
Let us denote sending of p as !p and receiving p as ?p. he exhibit, what is correct about event occurrences of the interaction Q?

A. !p will precede !q
B. ?p will precede !r
C. ?q may precede ?r
D. !r will precede !q

Correct Answer: A
QUESTION 44
In the exhibit, where is the execution occurrence in the sequence diagram named R?

A. lifeline a
B. lifeline b
C. message denoted by r
D. lifeline b in thin vertical rectangle
E. message with identifier v (dashed line)
F. at the arrowhead of the dashed message on lifeline a

Correct Answer: D
QUESTION 45
What about event order is true for simple interactions? (Choose two)
A. Events are ordered from top to bottom in a sequence diagram.
B. Events are ordered from top to bottom of a lifeline in a simple sequence diagram.
C. When messages represent operation calls, their sending and receiving events coincide in time.
D. The send event of a complete message comes before the receive event of the same message.
E. The start event of an execution occurrence will coincide in time with the event representing the call of that operation.

Correct Answer: BD
QUESTION 46
What is true about lifelines?
A. represent a sequence of operation calls
B. represent an individual participant in the interaction
C. has traces of events following the sequence of messages
D. in a sequence diagram, are horizontal or with a slight downward slope
Correct Answer: B
QUESTION 47
Which kinds of diagram can be used to define an interaction in UML 2.0? (Choose three)
A. class diagram
B. sequence diagram
C. state machine diagram
D. communication diagram
E. composite structure diagram
F. interaction overview diagram

Correct Answer: BDF QUESTION 48
In a sequence diagram, what does a stop symbol express?
A. The interaction is no longer valid.
B. A message is stopped short of its reception.
C. The object represented by a lifeline terminates.
D. The behavior of a lifeline halts within this diagram.

Correct Answer: C QUESTION 49
What is true concerning the UML model depicted in the exhibit?

A. M is not a behavior of C since p and q are not defined within C.
B. If M is a behavior in C, then a in C is the property represented by lifeline a in M.
C. a and b are lifelines within C, as well as being the same entities as those referenced in M.
D. The communication diagram on the left forms the base for the sequence diagram on the right.

Correct Answer: B
QUESTION 50
In the exhibit, to which may it be attached?

A. the subject that owns the extension
B. the use case that has extension points
C. the actor who initiated an extension use case
D. the association from an extension use case to its target
E. the association from an extension use case to its included use cases

Correct Answer: D
QUESTION 51
What is true of primitive types in UML 2.0? (Choose two)
A. are decomposable
B. are not decomposable C. specify all the necessary metaclasses
D. specify only those metaclasses needed for a particular model
E. specify predefined data types without any relevant structure

Correct Answer: BE
QUESTION 52
Which kind of behavior diagram is NOT a UML 2.0 diagram?
A. activity diagram
B. dataflow diagram
C. sequence diagram
D. interaction diagram
E. communication diagram

Correct Answer: B
QUESTION 53
What is the difference between the <<ementationClass>> type?stereotypes?
A. <<implementationClass>> and <<type>> are synonymous.
B. <<implementationClass>>contains objects and <<type>> contains values.
C. <<implementationClass>>and <<type>> only differ by programming language.
D. <<implementationClass>> define physical implementation and <<type>> does not.

Correct Answer: D
QUESTION 54
What are metaclasses?
A. classes that are abstract
B. classes that have no supertypes
C. classes whose instances are objects
D. classes whose instances are classes
E. classes that are instances of classes
Correct Answer: D
QUESTION 55
Which describes active classes?
A. classes that have state machines
B. classes whose instances may signal other objects
C. classes whose instances have their own thread of control
D. classes whose instances are able to execute one or more operations
E. classes whose instances are actively executing one or more operations
Correct Answer: C
QUESTION 56
What do the initials UML stand for?
A. UML Modeling Language
B. Unified Method Language
C. Unified Modeling Language
D. Universal Modeling Language

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