Free Ultimate Design Pattern Question and Answers

Question 1

In a communication diagram, the sequence number is always followed immediately by a(n) _______.

Accepted Answer

Colon

Answer

Dash

Answer

equal sign

Answer

Semicolon

Question 2

Which of the following pertains to a view layer class's duties?

Accepted Answer

Display electronic forms and reports

Answer

Process all business rules with appropriate logic

Answer

Prepare persistent classes for storage to the database

Answer

Establish and maintain connections to the database

Question 3

Which of the following is a domain layer class's duty?

Accepted Answer

Process all business rules with appropriate logic

Answer

Establish and maintain connections to the database

Answer

Capture input events such as clicks, rollovers, and key entry

Answer

Display electronic forms and reports

Question 4

Which of the following pertains to a data access layer class's duties?

Accepted Answer

Disconnect gracefully from the database

Answer

Process all business rules with appropriate logic

Answer

Accept input data

Answer

Create problem domain (persistent) classes

Question 5

Retrieve and update attribute values using ___ methods.

Accepted Answer

Get and set

Answer

Constructor

Answer

Data

Answer

Overloaded

Question 6

A behavioral object-level pattern is the ___ pattern.

Accepted Answer

Strategy

Answer

Bridge

Answer

Singleton

Answer

Proxy

Question 7

It is a ___ pattern, the prototype pattern.

Accepted Answer

creational object-level

Answer

behavioral object-level

Answer

creational class-level

Answer

structural class-level