Question 1

Variables declared in a method exist while the method is active and are destroyed when the method is exited.

Accepted Answer

A) True 
 B)False  True

Question 2

Passing arguments by reference can weaken security because the called method can modify the caller's data.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following cannot be an Enum's underlying type?

Accepted Answer

A) SByte 
B) Integer 
C) ULong 
D) Double 
A) SByte 
B) Integer 
C) ULong 
D) Double D

Question 4

__________ forces you to declare all variables before they're used in a program.

Accepted Answer

A) Option Explicit 
B) Option Strict 
C) Option Convert 
D) None of the above. 
A) Option Explicit 
B) Option Strict 
C) Option Convert 
D) None of the above.

Question 5

The Step Out debugger command can be used to __________.

Accepted Answer

A) return from the method to the caller 
B) modify the code at execution time to correct a logic error 
C) execute the code statements in a different order to locate a bug 
D) view the code for a called method as it executes 
A) return from the method to the caller 
B) modify the code at execution time to correct a logic error 
C) execute the code statements in a different order to locate a bug 
D) view the code for a called method as it executes

Question 6

The expression value = 2 + randomObject.Next(8)will result in a random number in what range?

Accepted Answer

A) 0 through 8 
B) 2 through 9 
C) 2 through 10 
D) 2 through 8 
A) 0 through 8 
B) 2 through 9 
C) 2 through 10 
D) 2 through 8

Question 7

The return type of a method's return value is specified in the method call.

Accepted Answer

A) True 
 B)False

Question 8

Overloaded methods always have the same _________.

Accepted Answer

A) method name 
B) return type 
C) number of the parameters 
D) order of the parameters 
A) method name 
B) return type 
C) number of the parameters 
D) order of the parameters

Question 9

Which of the following will violate the rules of overloading methods?

Accepted Answer

A) Methods with the same signatures but different return types. 
B) Methods with different signatures but the same return type. 
C) Methods with different number of arguments. 
D) Method with different types of arguments. 
A) Methods with the same signatures but different return types. 
B) Methods with different signatures but the same return type. 
C) Methods with different number of arguments. 
D) Method with different types of arguments.

Question 10

Subroutines are _______.

Accepted Answer

A) methods that can be called only once 
B) methods that cannot be called with arguments 
C) methods that do not return a value 
D) methods that return an optional value 
A) methods that can be called only once 
B) methods that cannot be called with arguments 
C) methods that do not return a value 
D) methods that return an optional value

Question 11

If you wish to execute several statements without repeatedly clicking the Step Over debugger command,you can right click the statement where you'd like to continue step-by-step execution,then select Run to Cursor from the menu that appears.The debugger will execute the statements up to,and including,that statement.

Accepted Answer

A) True 
 B)False

Question 12

A variable declared in a class cannot have the same name as a variable declared in another class.

Accepted Answer

A) True 
 B)False

Question 13

A method is invoked by a .

Accepted Answer

A) return statement 
B) method header 
C) method call 
D) None of the above. 
A) return statement 
B) method header 
C) method call 
D) None of the above.

Question 14

Which statement is false?

Accepted Answer

A) To ensure that the operands are of the same type,Visual Basic performs implicit conversion on selected operands. 
B) Cast operators are unary operators. 
C) Cast operations are performed implicitly when Option Strict is off. 
D) Cast operators are formed by placing parentheses around the name of a type. 
A) To ensure that the operands are of the same type,Visual Basic performs implicit conversion on selected operands. 
B) Cast operators are unary operators. 
C) Cast operations are performed implicitly when Option Strict is off. 
D) Cast operators are formed by placing parentheses around the name of a type.

Question 15

The header for a function must define the return type of the value to be returned.

Accepted Answer

A) True 
 B)False

Question 16

The values produced by Random are weighted so that some values will be generated with greater frequency than others.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following method calls would not be valid with the following method header?

Accepted Answer

A) Example() 
B) Example(True) 
C) Example(False,10) 
D) None of the above 
A) Example() 
B) Example(True) 
C) Example(False,10) 
D) None of the above

Question 18

You must provide a default value for any arguments that are declared Optional.

Accepted Answer

A) True 
 B)False

Question 19

Repeating high-quality,high-performance code in a program helps ensure higher quality programs.

Accepted Answer

A) True 
 B)False

Question 20

A method's changes to a variable that is passed by value do not affect the value of the original variable.

Accepted Answer

A) True 
 B)False

Exam 6: Methods

Variables declared in a method exist while the method is active and are destroyed when the method is exited.

Passing arguments by reference can weaken security because the called method can modify the caller's data.

Which of the following cannot be an Enum's underlying type?

__________ forces you to declare all variables before they're used in a program.

The Step Out debugger command can be used to __________.

The expression value = 2 + randomObject.Next(8)will result in a random number in what range?

The return type of a method's return value is specified in the method call.

Overloaded methods always have the same _________.

Which of the following will violate the rules of overloading methods?

Subroutines are _______.

A variable declared in a class cannot have the same name as a variable declared in another class.

A method is invoked by a .

Which statement is false?

The header for a function must define the return type of the value to be returned.

The values produced by Random are weighted so that some values will be generated with greater frequency than others.

Which of the following method calls would not be valid with the following method header?

You must provide a default value for any arguments that are declared Optional.

Repeating high-quality,high-performance code in a program helps ensure higher quality programs.

A method's changes to a variable that is passed by value do not affect the value of the original variable.

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Arrays

Files and Streams

Object-Oriented Programming: Classes and Objects

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Exception Handling

Strings and Characters: a Deeper Look

Files and Streams

Xml and Linq to Xml

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Data Structures and Generic Collections

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