Question 1

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
-Ensure consistency and provide common links so that once objects are described and used in one part of the design, they can be reused multiple times without further effort.
A)class diagram
B)CASE tools
C)lifeline
D)object relationship diagram
E)state transition diagram
F)activity diagram
G)object modeling
H)black box
I)UML
J)system boundary

Accepted Answer

The answer of MATCHING
Identify the letter of the choice that...

Question 2

What do relationships enable objects to do? What is the strongest kind of relationship? Walk through an example that demonstrates your understanding of the concept.

Accepted Answer

The answer of What do relationships enable objects to do?...

Question 3

In a given diagram, Jaime is marking up a relationship in which a given employee can have no payroll deductions or she can have many deductions. Which of the following notations will Jaime write to mark this relationship?
A)0..1
B) 1
C)0..*
D)1..*

Accepted Answer

The notation "0..*" means that an employee can have zero or more payroll deductions, which fits the description given in the question. The other notations indicate that an employee must have either no deductions (0..1) or at least one deduction (1..*), which do not match the requirements.

Question 4

Explain what a class diagram is and in your answer, be sure to explain how a class diagram is like a DFD.

Accepted Answer

The answer of Explain what a class diagram is and...

Question 5

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
-Shows the order in which the actions take place and identify the outcomes.
A)class diagram
B)CASE tools
C)lifeline
D)object relationship diagram
E)state transition diagram
F)activity diagram
G)object modeling
H)black box
I)UML
J)system boundary

Accepted Answer

The answer of MATCHING
Identify the letter of the choice that...

Question 6

The following examples - bake cakes, self-clean, and reheat pasta - are all what with regard to the oven object, according to Alex's roommate?
A) classes
B) methods
C) messages
D) instances

Accepted Answer

These are all methods that can be performed by the oven object.

Question 7

Jaime has just written the following UML notation on the class diagram: 0..1. Which of the following relationships corresponds to what he has just noted?
A) An employee can have no direct reports or many direct reports.
B) An employee can have no spouse or one spouse.
C) An office manager manages one and only one office.
D) One order can include one or many items ordered.

Accepted Answer

The notation "0..1" means that there can be zero or one instances of a particular class related to another class. In this case, option B is the only one that fits this definition, as an employee can have no spouse or one spouse. The other options involve more than one instance, either in terms of direct reports, offices managed, or items ordered.

Question 8

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
-Requires many types of diagrams to represent the proposed system.
A)class diagram
B)CASE tools
C)lifeline
D)object relationship diagram
E)state transition diagram
F)activity diagram
G)object modeling
H)black box
I)UML
J)system boundary

Accepted Answer

The answer of MATCHING
Identify the letter of the choice that...

Question 9

Explain what a message is, using examples to demonstrate your understanding, and use the terms black box and encapsulation in your response.

Accepted Answer

The answer of Explain what a message is, using examples...

Question 10

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
-In this, reading from left to right, the lines show direction and describe the action or event that causes a transition from one state to another.
A)class diagram
B)CASE tools
C)lifeline
D)object relationship diagram
E)state transition diagram
F)activity diagram
G)object modeling
H)black box
I)UML
J)system boundary

Accepted Answer

The description matches the definition of a state transition diagram, which shows the transition from one state to another based on a specific event or action.

Question 11

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
-In a sequence diagram, an X marks the end of this.
A)class diagram
B)CASE tools
C)lifeline
D)object relationship diagram
E)state transition diagram
F)activity diagram
G)object modeling
H)black box
I)UML
J)system boundary

Accepted Answer

The X in a sequence diagram marks the end of a lifeline, which represents the lifespan of an object during a certain process or scenario. The other choices are not related to the concept of a lifeline in a sequence diagram.

Question 12

Which of the following does Alex's roommate use as an example of an instance of the APPLIANCE class?
A) heat food
B) kitchen
C) refrigeration
D) microwave oven

Accepted Answer

The microwave oven is a specific type of appliance that can be used to heat food. A kitchen and refrigeration are not specific examples of the appliance class.

Quiz 6: Object Modeling

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Ensure consistency and provide common links so that once objects are described and used in one part of the design, they can be reused multiple times without further effort.

What do relationships enable objects to do? What is the strongest kind of relationship? Walk through an example that demonstrates your understanding of the concept.

In a given diagram, Jaime is marking up a relationship in which a given employee can have no payroll deductions or she can have many deductions. Which of the following notations will Jaime write to mark this relationship?

Explain what a class diagram is and in your answer, be sure to explain how a class diagram is like a DFD.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Shows the order in which the actions take place and identify the outcomes.

The following examples - bake cakes, self-clean, and reheat pasta - are all what with regard to the oven object, according to Alex's roommate?

Jaime has just written the following UML notation on the class diagram: 0..1. Which of the following relationships corresponds to what he has just noted?

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Requires many types of diagrams to represent the proposed system.

Explain what a message is, using examples to demonstrate your understanding, and use the terms black box and encapsulation in your response.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -In this, reading from left to right, the lines show direction and describe the action or event that causes a transition from one state to another.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -In a sequence diagram, an X marks the end of this.

Which of the following does Alex's roommate use as an example of an instance of the APPLIANCE class?