Part II: 7 - Static modeling ...

Question 1

1. What is a class?
   (a) A course
   (b) An object instance
   (c) A client or server in the system
   (d) A collection of objects with the
   same characteristics

Answer 1

D

Question 2

What is an attribute?
(a) A relationship between two classes
(b) A parameter of an operation or
method
(c) A data value held by an object in a
class
(d) The return value from an operation

Answer 2

C

Question 3

What is an association?
(a) A relationship between two classes
(b) A relationship between two objects
(c) A link between two classes
(d) A link between two objects

Answer 3

A

Question 4

What is meant by the multiplicity of an association?
(a) The number of associations in a
class
(b) The number of associations be-
tween two classes
(c) How many instances of one class
relate to how many instances of
another class
(d) How many instances of one class
relate to a single instance of
another class.

Answer 4

C

Question 5

5. What is an association class?
   (a) A class with multiple associations
   (b) A class. with one association
   (c) A class that models an association between two or more classes
   (d) A class that models an association between two or more objects

Answer 5

C

Question 6

6. What is a generalization/specialization hierarchy?
   (a) A whole/part relationship
   (b) An inheritance relationship
   (c) An association between a generalized class and a specialized class
   (d) A layered hierarchy

Answer 6

B

Question 7

7. What is a composition hierarchy?
   (a) A weak form of a generalization/ specialization hierarchy
   (b) A strong form of a generalization/ specialization hierarchy
   (c) A weak form of a whole/part relationship
   (d) A strong form of a whole/part relationship

Answer 7

D

Question 8

8. What is an aggregation hierarchy?
   (a) A weak form of a generalization/
   specialization hierarchy
   (b) A strong form of a generalization/specialization hierarchy
   (c) A weak form of a whole/part relationship
   (d) A strong form of a whole/part relationship

Answer 8

C

Question 9

9. What does the system context class diagram define?
   (a) The entity classes in the system
   (b) How the system interfaces to other
   systems
   (c) The boundary between the system
   and the external environment
   (d) The context classes in the system

Answer 9

C

Question 10

10. What is an entity class?
    (a) A class on an entity/relationship
    diagram
    (b) A class that stores data
    (c) A class that interfaces to an external entity
    (d) An external class

Answer 10

B