Question 1

Class File can only create new files.

Accepted Answer

A) True 
 B)False

Question 2

When a file is opened,a stream object is created and associated with the file.

Accepted Answer

A) True 
 B)False

Question 3

Files can be stored in:

Accepted Answer

A) hard drives 
B) optical disks 
C) flash drives 
D) All of the above 
A) hard drives 
B) optical disks 
C) flash drives 
D) All of the above

Question 4

All primitive-type variables and strings are serializable.

Accepted Answer

A) True 
 B)False

Question 5

Directory method GetDirectories returns _______.

Accepted Answer

A) a string with all the names of sibling directories 
B) an array of strings with all the names of sibling directories 
C) a string with all the names of subdirectories 
D) an array of strings with all the names of subdirectories 
A) a string with all the names of sibling directories 
B) an array of strings with all the names of sibling directories 
C) a string with all the names of subdirectories 
D) an array of strings with all the names of subdirectories

Question 6

The Console.Error property returns:

Accepted Answer

A) a standard error stream object 
B) a new error 
C) an object of type error 
D) None of the above 
A) a standard error stream object 
B) a new error 
C) an object of type error 
D) None of the above

Question 7

An OpenFileDialog allows a user to select a file to open.

Accepted Answer

A) True 
 B)False

Question 8

BinaryFormatters can be used to serialize and deserialize objects coming in and going out of a stream.

Accepted Answer

A) True 
 B)False

Question 9

For variables of reference types,you must check the class declaration to ensure that the type is serializable.

Accepted Answer

A) True 
 B)False

Question 10

A serialized object is an object that includes ________.

Accepted Answer

A) a sequence of bytes about the object's data 
B) information about the object's type 
C) information about the types of data stored in the object 
D) All of the above 
A) a sequence of bytes about the object's data 
B) information about the object's type 
C) information about the types of data stored in the object 
D) All of the above

Question 11

Characters in Visual Basic are Unicode characters,each represented by one byte.

Accepted Answer

A) True 
 B)False

Question 12

A FileStream object can throw a(n)________ if an attempt is made to open a file that does not exist.

Accepted Answer

A) NoFileException 
B) FileNotFoundException 
C) OpenErrorException 
D) FileStreamException. 
A) NoFileException 
B) FileNotFoundException 
C) OpenErrorException 
D) FileStreamException.

Question 13

To access a file,you must instantiate an object of type File.

Accepted Answer

A) True 
 B)False

Exam 18: Files and Streams

Class File can only create new files.

When a file is opened,a stream object is created and associated with the file.

Files can be stored in:

All primitive-type variables and strings are serializable.

Directory method GetDirectories returns _______.

The Console.Error property returns:

An OpenFileDialog allows a user to select a file to open.

BinaryFormatters can be used to serialize and deserialize objects coming in and going out of a stream.

For variables of reference types,you must check the class declaration to ensure that the type is serializable.

A serialized object is an object that includes ________.

Characters in Visual Basic are Unicode characters,each represented by one byte.

A FileStream object can throw a(n)________ if an attempt is made to open a file that does not exist.

To access a file,you must instantiate an object of type File.

Introduction to Computers, the Internet and Visual Basic

Dive Into Visual Basic Express 2012 Express

Introduction to Visual Basic Programming

Introduction to Problem Solving and Control Statements

Problem Solving and Control Statements

Methods

Arrays

Files and Streams

Object-Oriented Programming: Classes and Objects

Object-Oriented Programming: Inheritance

Introduction to Linq

Databases and LINQ to SQL

Web App Developing in Aspnet With Vb

Windows Forms Gui: a Deeper Look

Graphics and Multimedia

Exception Handling

Strings and Characters: a Deeper Look

Xml and Linq to Xml

Windows 8 Ui Xaml

Windows 8 Graphics and Multimedia

Windows Phone 8 Case Study

Asynchronous Programming With Async and Await

Web App Development With Aspnet: a Deeper Look

Web Services

Windows Azure Cloud Computing Case Study

Visual Basic 2012 How to Program

Visual Basic 2012 How to Program

Data Structures and Generic Collections

Filters