Question 1

In C#,try blocks are used for:

Accepted Answer

A)  testing for infinite loops. 
B)  testing for exceptions. 
C)  resolving exceptions. 
D)  testing code. 
A)  testing for infinite loops. 
B)  testing for exceptions. 
C)  resolving exceptions. 
D)  testing code.

Question 2

Which of the following is not a property of Exception

Accepted Answer

A)  HelpLink 
B)  Source 
C)  TargetSite 
D)  PrintError 
A)  HelpLink 
B)  Source 
C)  TargetSite 
D)  PrintError

Question 3

If an exception handler is to catch a variety of exceptions,use a comma-separated list of catch arguments in the catch handler.

Accepted Answer

A) True 
 B)False

Question 4

When an exception occurs it is said to have been:

Accepted Answer

A)  caught 
B)  thrown 
C)  declared 
D)  handled 
A)  caught 
B)  thrown 
C)  declared 
D)  handled

Question 5

Stack unwinding is the process that attempts to locate an appropriate catch handler for an uncaught exception.

Accepted Answer

A) True 
 B)False

Question 6

In order to tell the user what happened in an exception you must

Accepted Answer

A)  pop the exception 
B)  toss the exception 
C)  access Exception properties 
D)  throw the exception 
A)  pop the exception 
B)  toss the exception 
C)  access Exception properties 
D)  throw the exception

Question 7

After the last catch block,the required finally block provides code that always executes regardless of whether or not an exception occurs.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is not included in an exception's stack trace

Accepted Answer

A)  A descriptive message for the exception. 
B)  The method-call stack at the time the exception occurred. 
C)  The name of the exception. 
D)  Instructions on handling the exception. 
A)  A descriptive message for the exception. 
B)  The method-call stack at the time the exception occurred. 
C)  The name of the exception. 
D)  Instructions on handling the exception.

Question 9

A FormatException is used to handle:

Accepted Answer

A)  extra spaces input by the user 
B)  errors with deleting a file from disk 
C)  wrong data type inputs 
D)  all of the above 
A)  extra spaces input by the user 
B)  errors with deleting a file from disk 
C)  wrong data type inputs 
D)  all of the above

Question 10

Variables local to a try block are usable in the corresponding catch
and finally blocks.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements is false

Accepted Answer

A)  Prior to C# 6, you could catch an exception based only on its type. 
B)  C# 6's exception filters enable you to catch an exception based on a catch's exception type and a condition that's specified with a when clause. 
C)  You also can specify an exception filter for a general catch clause that does not provide an exception type. 
D)  If an exception filter's condition is false, the exception will not be caught and the original exception's stack-trace information will be deleted. 
A)  Prior to C# 6, you could catch an exception based only on its type. 
B)  C# 6's exception filters enable you to catch an exception based on a catch's exception type and a condition that's specified with a when clause. 
C)  You also can specify an exception filter for a general catch clause that does not provide an exception type. 
D)  If an exception filter's condition is false, the exception will not be caught and the original exception's stack-trace information will be deleted.

Question 12

After a finally block has finished executing:

Accepted Answer

A) control proceeds to the first statement after the finally block. 
B) control returns to the throw point. 
C) the app exits. 
D) control proceeds to the first statement after the last catch block. 
A) control proceeds to the first statement after the finally block. 
B) control returns to the throw point. 
C) the app exits. 
D) control proceeds to the first statement after the last catch block.

Question 13

Which of the following statements about try blocks is true

Accepted Answer

A)  The try block must be followed by at least one catch block. 
B)  The try block must be followed by a finally block. 
C)  The try block should contain statements that may process an exception. 
D)  The try block should contain statements that may throw an exception. 
A)  The try block must be followed by at least one catch block. 
B)  The try block must be followed by a finally block. 
C)  The try block should contain statements that may process an exception. 
D)  The try block should contain statements that may throw an exception.

Question 14

Resource de-allocation should be done explicitly in the finally block.

Accepted Answer

A) True 
 B)False

Question 15

By convention,the name of each user-defined exception should end with Exception.

Accepted Answer

A) True 
 B)False

Question 16

C# does not guarantee that a finally block (if one is present)will be executed if a try block is exited via a return,break or continue statement.

Accepted Answer

A) True 
 B)False

Question 17

The Message property of an exception is what is displayed to the user should that exception be thrown.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following statements is true

Accepted Answer

A) The throw statement is used to throw an exception. 
B) The throw statement is used to specify that a method will throw an exception. 
C) The throw statement is used to access an exception parameter. 
D) All of the above. 
A) The throw statement is used to throw an exception. 
B) The throw statement is used to specify that a method will throw an exception. 
C) The throw statement is used to access an exception parameter. 
D) All of the above.

Question 19

The StackTrace property keeps track of all the method calls that occur in a program,and that's how a program knows which method caused the error.

Accepted Answer

A) True 
 B)False

Question 20

An uncaught exception:

Accepted Answer

A)  is a possible exception that never actually occurs during the execution of the program. 
B)  is an exception that occurs for which the matching catch clause is empty. 
C)  is an exception that occurs for which there are no matching catch clauses. 
D)  is another term for a thrown exception. 
A)  is a possible exception that never actually occurs during the execution of the program. 
B)  is an exception that occurs for which the matching catch clause is empty. 
C)  is an exception that occurs for which there are no matching catch clauses. 
D)  is another term for a thrown exception.

Exam 13: Exception Handling: A Deeper Look

In C#,try blocks are used for:

Which of the following is not a property of Exception

If an exception handler is to catch a variety of exceptions,use a comma-separated list of catch arguments in the catch handler.

When an exception occurs it is said to have been:

Stack unwinding is the process that attempts to locate an appropriate catch handler for an uncaught exception.

In order to tell the user what happened in an exception you must

After the last catch block,the required finally block provides code that always executes regardless of whether or not an exception occurs.

Which of the following is not included in an exception's stack trace

A FormatException is used to handle:

Variables local to a try block are usable in the corresponding catch and finally blocks.

Which of the following statements is false

After a finally block has finished executing:

Which of the following statements about try blocks is true

Resource de-allocation should be done explicitly in the finally block.

By convention,the name of each user-defined exception should end with Exception.

C# does not guarantee that a finally block (if one is present)will be executed if a try block is exited via a return,break or continue statement.

The Message property of an exception is what is displayed to the user should that exception be thrown.

Which of the following statements is true

The StackTrace property keeps track of all the method calls that occur in a program,and that's how a program knows which method caused the error.

An uncaught exception:

Introduction to Computers, the Internet and Visual C#

Dive Into Visual Studio Community

Introduction to C# Apps

Introduction to Classes,Objects,Methods and Strings

Control Statements: Part 1

Control Statements: Part 2

Methods: a Deeper Look

Arrays;Introduction to Exception Handling

Introduction to Linq and Generic Collections

Classes and Objects: A Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

GUI With Windows Forms: Part 1

GUI With Windows Forms: Part 2

Strings,Characters and Regular Expressions

Files and Streams

Searching and Sorting

Data Structures

Generics

Collections

Databases and LING

Asynchronous Programming With Async and Await

XML

GUI With Windows Presentation Foundation

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