Question 1

Queue nodes are removed only from the __________ of the queue,and are inserted only at the __________ of the queue.

Accepted Answer

A) tail,tail 
B) tail,head 
C) head,tail 
D) head,head 
A) tail,tail 
B) tail,head 
C) head,tail 
D) head,head C

Question 2

Which statement is false?

Accepted Answer

A) Each type parameter list contains one or more type parameters,separated by commas. 
B) A type parameter name needs to be unique among different generic methods. 
C) The type parameters act as placeholders for the types of the arguments passed to a method. 
D) The type parameter names throughout the method declaration must match those declared in the type parameter list. 
A) Each type parameter list contains one or more type parameters,separated by commas. 
B) A type parameter name needs to be unique among different generic methods. 
C) The type parameters act as placeholders for the types of the arguments passed to a method. 
D) The type parameter names throughout the method declaration must match those declared in the type parameter list. B

Question 3

Prepackaged data-structure classes provided by the .NET Framework are called ___________.

Accepted Answer

A) DS classes 
B) data classes 
C) collection classes 
D) data structural classes 
A) DS classes 
B) data classes 
C) collection classes 
D) data structural classes C

Question 4

Stacks and queues can be implemented as constrained versions of linked lists.

Accepted Answer

A) True 
 B)False

Question 5

A generic method can be overloaded by ________ method.

Accepted Answer

A) a non-generic method 
B) generic method 
C) a and b 
D) None of the above 
A) a non-generic method 
B) generic method 
C) a and b 
D) None of the above

Question 6

Generics make writing a program more __________.

Accepted Answer

A) elegant 
B) cumbersome 
C) concise 
D) a and c 
A) elegant 
B) cumbersome 
C) concise 
D) a and c

Question 7

To place a new item in a List at a specific index use the method ________.

Accepted Answer

A) Add 
B) Insert 
C) IndexOf 
D) InsertAt 
A) Add 
B) Insert 
C) IndexOf 
D) InsertAt

Question 8

At compilation time,the runtime system replaces type parameters with the arguments' types.

Accepted Answer

A) True 
 B)False

Question 9

A doubly linked list allows traversals both forward and backward.

Accepted Answer

A) True 
 B)False

Question 10

Like linked lists,stacks,and queues,trees are also linear data structures.

Accepted Answer

A) True 
 B)False

Question 11

Once you have a generic class,you must use a hard,complex notation to indicate the actual type that should be used in place of the class's type parameter(s).

Accepted Answer

A) True 
 B)False

Question 12

Which of the following correctly describes a queue data structure?

Accepted Answer

A) first-in,last-out 
B) first-in,first-out 
C) last-in,first-out 
D) None of the above. 
A) first-in,last-out 
B) first-in,first-out 
C) last-in,first-out 
D) None of the above.

Question 13

To determine the number of elements in a List use the property ________.

Accepted Answer

A) Size 
B) Count 
C) Capacity 
D) Items 
A) Size 
B) Count 
C) Capacity 
D) Items

Question 14

A node can contain any data type.

Accepted Answer

A) True 
 B)False

Question 15

Compilers use stacks to evaluate arithmetic expressions and to generate machine language code to process the expressions.

Accepted Answer

A) True 
 B)False

Question 16

Which statement is false?

Accepted Answer

A) A linked list is a linear collection of self-referential class objects called nodes. 
B) A linked list is appropriate when the number of data elements to be represented in the data structure is unpredictable. 
C) The System.LL namespace contains class LinkedList. 
D) By convention,the link reference in the last node of a list is set to Nothing. 
A) A linked list is a linear collection of self-referential class objects called nodes. 
B) A linked list is appropriate when the number of data elements to be represented in the data structure is unpredictable. 
C) The System.LL namespace contains class LinkedList. 
D) By convention,the link reference in the last node of a list is set to Nothing.

Question 17

Any value can be stored as an Object.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is not a property of LinkedListNode?

Accepted Answer

A) Value 
B) Reference 
C) Previous 
D) Next 
A) Value 
B) Reference 
C) Previous 
D) Next

Question 19

Storing everything as Objects in a collection provides a performance boost.

Accepted Answer

A) True 
 B)False

Question 20

Most classes that are used as keys in a hash table should override the GetHashCode to provide one that performs efficient hash code calculations for a specific type.

Accepted Answer

A) True 
 B)False

Exam 29: Data Structures and Generic Collections

Queue nodes are removed only from the __________ of the queue,and are inserted only at the __________ of the queue.

Which statement is false?

Prepackaged data-structure classes provided by the .NET Framework are called ___________.

Stacks and queues can be implemented as constrained versions of linked lists.

A generic method can be overloaded by ________ method.

Generics make writing a program more __________.

To place a new item in a List at a specific index use the method ________.

At compilation time,the runtime system replaces type parameters with the arguments' types.

A doubly linked list allows traversals both forward and backward.

Like linked lists,stacks,and queues,trees are also linear data structures.

Once you have a generic class,you must use a hard,complex notation to indicate the actual type that should be used in place of the class's type parameter(s).

Which of the following correctly describes a queue data structure?

To determine the number of elements in a List use the property ________.

A node can contain any data type.

Compilers use stacks to evaluate arithmetic expressions and to generate machine language code to process the expressions.

Which statement is false?

Any value can be stored as an Object.

Which of the following is not a property of LinkedListNode?

Storing everything as Objects in a collection provides a performance boost.

Most classes that are used as keys in a hash table should override the GetHashCode to provide one that performs efficient hash code calculations for a specific type.

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Dive Into Visual Basic Express 2012 Express

Introduction to Visual Basic Programming

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Methods

Arrays

Files and Streams

Object-Oriented Programming: Classes and Objects

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Web App Developing in Aspnet With Vb

Windows Forms Gui: a Deeper Look

Graphics and Multimedia

Exception Handling

Strings and Characters: a Deeper Look

Files and Streams

Xml and Linq to Xml

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Windows Phone 8 Case Study

Asynchronous Programming With Async and Await

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Visual Basic 2012 How to Program

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