Question 1

Packaging data attributes and behaviors into a single unit so that implementation details can be hidden describes ____ as it relates to object oriented development.

Accepted Answer

A)   abstraction
B)   encapsulation
C)   polymorphism
D)   inheritanceE) A) and B)
F) A) and C) B

Question 2

Once a DLL is available,any application can add a reference to the DLL.The referenced file with the .dll extension becomes part of the application's private assembly.

Accepted Answer

A) True 
 B)False

Question 3

For classes of animal and dog,animal would be considered the derived class.

Accepted Answer

A) True 
 B)False

Question 4

The base default constructor is called by ____.

Accepted Answer

A)   adding base( ) : between the constructor heading and the opening curly brace
B)   typing base( ) : as the first executable statement in the derived constructor
C)   adding className( ) : between the constructor heading and the opening curly brace
D)   typing base( ) : as the first executable statement in the Main( )  methodE) A) and B)
F) C) and D)

Question 5

Which keyword instructs the compiler to infer the type of the variable from the expression on the right side of the initialization statement?

Accepted Answer

A)   dynamic
B)   type
C)   infer
D)   varE) A) and D)
F) A) and C)

Question 6

Multiple classes can implement the same interface,but a class can implement only one interface.

Accepted Answer

A) True 
 B)False

Question 7

Components that can be referenced from any number of applications are created as class library files with a dynamic link library (DLL)extension.

Accepted Answer

A) True 
 B)False

Question 8

Today applications are normally designed to be single,self-contained,monolithic programs.

Accepted Answer

A) True 
 B)False  False

Question 9

One of the major advantages of strongly typed languages versus dynamic languages is extensive compile type error checking occurs so that bugs can be found early.With dynamic typing this is delayed until ____________.

Accepted Answer

The answer of One of the major advantages of strongly...

Question 10

Access to members that have been defined with the public access modifier is restricted to members of the current class.

Accepted Answer

A) True 
 B)False

Question 11

If a class implements more than one ____________,they all appear on the class definition line separated by commas.

Accepted Answer

The answer of If a class implements more than one...

Question 12

Polymorphic programming is associated with the ____________.You do not have to know how the method goes about doing its work.All you have to know is what arguments to send,if any,and what you expect to be accomplished when the object finishes its work.

Accepted Answer

black box concept

Question 13

The reserved word base,placed in the constructor heading before the opening curly brace,is used to indicate the base class constructor should be called.

Accepted Answer

A) True 
 B)False

Question 14

Both var and ____________ enables developers to not associate a specific data type to the actual data when the memory declaration for the variable is written.

Accepted Answer

The answer of Both var and ____________ enables developers to...

Question 15

In addition to creating the console and Windows applications you've already created,you can create class library files with a dynamic link library (.EXE)extension that can be reused.

Accepted Answer

A) True 
 B)False

Question 16

To override a method,the base method may include any of the following keywords,EXCEPT ____.

Accepted Answer

A)   virtual
B)   abstract
C)   interface
D)   overrideE) B) and C)
F) B) and D)

Question 17

____ contain no implementation details for any of their methods. Instead all their members are considered abstract.

Accepted Answer

A)   Abstract classes
B)   Interfaces
C)   Virtual classes
D)   Base classesE) B) and C)
F) A) and B)

Question 18

Classes can have a "has a" relationship.This is a concept called ____ or aggregation.

Accepted Answer

A)   "is a"
B)   inheritance
C)   polymorphism
D)   containmentE) A) and B)
F) C) and D)

Question 19

Protected access enables derived classes to have access to change data in the base class.

Accepted Answer

A) True 
 B)False

Question 20

Variables declared as dynamic ____.

Accepted Answer

A)   require boxing or casting to identify the actual data type
B)   can hold any type of value
C)   stores data as strings
D)   must have an associated data type added as part of the declarationE) B) and C)
F) A) and B)

Exam 11: Advanced Object-Oriented Programming Features

Packaging data attributes and behaviors into a single unit so that implementation details can be hidden describes ____ as it relates to object oriented development.

Correct AnswerverifiedB

Once a DLL is available,any application can add a reference to the DLL.The referenced file with the .dll extension becomes part of the application's private assembly.

Correct AnswerverifiedShow Answer

For classes of animal and dog,animal would be considered the derived class.

Correct AnswerverifiedShow Answer

The base default constructor is called by ____.

Correct AnswerverifiedShow Answer

Which keyword instructs the compiler to infer the type of the variable from the expression on the right side of the initialization statement?

Correct AnswerverifiedShow Answer

Multiple classes can implement the same interface,but a class can implement only one interface.

Correct AnswerverifiedShow Answer

Components that can be referenced from any number of applications are created as class library files with a dynamic link library (DLL)extension.

Correct AnswerverifiedShow Answer

Today applications are normally designed to be single,self-contained,monolithic programs.

Correct AnswerverifiedFalse

One of the major advantages of strongly typed languages versus dynamic languages is extensive compile type error checking occurs so that bugs can be found early.With dynamic typing this is delayed until ____________.

Correct AnswerverifiedShow Answer

Access to members that have been defined with the public access modifier is restricted to members of the current class.

Correct AnswerverifiedShow Answer

If a class implements more than one ____________,they all appear on the class definition line separated by commas.

Correct AnswerverifiedShow Answer

Polymorphic programming is associated with the ____________.You do not have to know how the method goes about doing its work.All you have to know is what arguments to send,if any,and what you expect to be accomplished when the object finishes its work.

Correct Answerverifiedblack box concept

The reserved word base,placed in the constructor heading before the opening curly brace,is used to indicate the base class constructor should be called.

Correct AnswerverifiedShow Answer

Both var and ____________ enables developers to not associate a specific data type to the actual data when the memory declaration for the variable is written.

Correct AnswerverifiedShow Answer

In addition to creating the console and Windows applications you've already created,you can create class library files with a dynamic link library (.EXE)extension that can be reused.

Correct AnswerverifiedShow Answer

To override a method,the base method may include any of the following keywords,EXCEPT ____.

Correct AnswerverifiedShow Answer

____ contain no implementation details for any of their methods. Instead all their members are considered abstract.

Correct AnswerverifiedShow Answer

Classes can have a "has a" relationship.This is a concept called ____ or aggregation.

Correct AnswerverifiedShow Answer

Protected access enables derived classes to have access to change data in the base class.

Correct AnswerverifiedShow Answer

Variables declared as dynamic ____.

Correct AnswerverifiedShow Answer

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False

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black box concept

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