Question 1

A ____ cipher is different from a substitution-based cipher in that the order of the plaintext is not preserved.

Accepted Answer

A)  transposition-based 
B)  monoalphabetic 
C)  polyalphabetic 
D)  multialphabetic 
A)  transposition-based 
B)  monoalphabetic 
C)  polyalphabetic 
D)  multialphabetic

Question 2

In ____,a Web user seeking to visit a particular company's Web site is unknowingly redirected to a bogus Web site that looks exactly like that company's official Web site.

Accepted Answer

A)  smurfing 
B)  pharming 
C)  worming 
D)  e-mail bombing 
A)  smurfing 
B)  pharming 
C)  worming 
D)  e-mail bombing

Question 3

All certificates are issued by a certificate authority.

Accepted Answer

A) True 
 B)False

Question 4

One popular application of IPsec is in the support of virtual private networks.

Accepted Answer

A) True 
 B)False

Question 5

A(n)____________________ is a system or combination of systems that supports an access control policy between two networks.

Accepted Answer

The answer of A(n)____________________ is a system or combination of...

Question 6

____________________ define the network resources that a user or set of users can access.

Accepted Answer

The answer of ____________________ define the network resources that a...

Question 7

The ____________________ cipher was devised by Blaise de Vigenére in 1586.

Accepted Answer

The answer of The ____________________ cipher was devised by Blaise...

Question 8

The concept of two keys,public and private,is called ____ cryptography.

Accepted Answer

A)  private key 
B)  public key 
C)  secret key 
D)  symmetric 
A)  private key 
B)  public key 
C)  secret key 
D)  symmetric

Question 9

The physical protection of a computer system or a computer network consists of protecting the equipment from physical damage.

Accepted Answer

A) True 
 B)False

Question 10

Perhaps the most common form of protection from unauthorized use of a computer system is the ____.

Accepted Answer

A)  password 
B)  certificate 
C)  PKI 
D)  digital signature 
A)  password 
B)  certificate 
C)  PKI 
D)  digital signature

Question 11

____ may be considered a form of physical protection.

Accepted Answer

A)  Router 
B)  Worms 
C)  Trojan horses 
D)  Surveillance 
A)  Router 
B)  Worms 
C)  Trojan horses 
D)  Surveillance

Question 12

____ is a set of protocols created to support the secure transfer of data at the IP layer.

Accepted Answer

A)  Transport Layer Security (TLS) 
B)  IPsec (IP security) 
C)  Date Encryption Standard (DES) 
D)  Advanced Encryption Standard (AES) 
A)  Transport Layer Security (TLS) 
B)  IPsec (IP security) 
C)  Date Encryption Standard (DES) 
D)  Advanced Encryption Standard (AES)

Question 13

____________________ is the art and science of hiding information inside other,seemingly ordinary messages or documents.

Accepted Answer

The answer of ____________________ is the art and science of...

Question 14

Antivirus software with ________________________________________ runs in the background while an application that the user is executing runs in the foreground.

Accepted Answer

terminate-

Question 15

WAP has been replaced by a new standard,Wired Equivalency Protocol (WEP).

Accepted Answer

A) True 
 B)False

Question 16

All system attacks need a user to open an e-mail or Web page.

Accepted Answer

A) True 
 B)False

Question 17

_________________________ bombard a computer site with so many messages that the site is incapable of performing its normal duties.

Accepted Answer

Denial of

Question 18

A ____ substitution-based cipher replaces a character or group of characters with a different character or group of characters.

Accepted Answer

A)  transposition 
B)  monoalphabetic 
C)  monotransposition 
D)  polytransposition 
A)  transposition 
B)  monoalphabetic 
C)  monotransposition 
D)  polytransposition

Question 19

SSL's successor is ____,which is based upon SSL version 3 and contains a few technical improvements over SSL.

Accepted Answer

A)  Transport Layer Security (TLS) 
B)  IPsec 
C)  Date Encryption Standard (DES) 
D)  Advanced Encryption Standard (AES) 
A)  Transport Layer Security (TLS) 
B)  IPsec 
C)  Date Encryption Standard (DES) 
D)  Advanced Encryption Standard (AES)

Question 20

Some common types of denial of service include e-mail bombing,____,and ping storm.

Accepted Answer

A)  firewalling 
B)  filtering 
C)  smurfing 
D)  routing 
A)  firewalling 
B)  filtering 
C)  smurfing 
D)  routing

A ____ cipher is different from a substitution-based cipher in that the order of the plaintext is not preserved.

In ____,a Web user seeking to visit a particular company's Web site is unknowingly redirected to a bogus Web site that looks exactly like that company's official Web site.

All certificates are issued by a certificate authority.

One popular application of IPsec is in the support of virtual private networks.

A(n)____________________ is a system or combination of systems that supports an access control policy between two networks.

____________________ define the network resources that a user or set of users can access.

The ____________________ cipher was devised by Blaise de Vigenére in 1586.

The concept of two keys,public and private,is called ____ cryptography.

The physical protection of a computer system or a computer network consists of protecting the equipment from physical damage.

Perhaps the most common form of protection from unauthorized use of a computer system is the ____.

____ may be considered a form of physical protection.

____ is a set of protocols created to support the secure transfer of data at the IP layer.

____________________ is the art and science of hiding information inside other,seemingly ordinary messages or documents.

Antivirus software with ________________________________________ runs in the background while an application that the user is executing runs in the foreground.

WAP has been replaced by a new standard,Wired Equivalency Protocol (WEP).

All system attacks need a user to open an e-mail or Web page.

_________________________ bombard a computer site with so many messages that the site is incapable of performing its normal duties.

A ____ substitution-based cipher replaces a character or group of characters with a different character or group of characters.

SSL's successor is ____,which is based upon SSL version 3 and contains a few technical improvements over SSL.

Some common types of denial of service include e-mail bombing,____,and ping storm.

Introduction to Computer Networks and Data Communications

Fundamentals of Data and Signals

Conducted and Wireless Media

Making Connections

Making Connections Efficient: Multiplexing and Compression

Errors, Error Detection, and Error Control

Local Area Networks: Part I

Local Area Networks: Part II

Introduction to Metropolitan Area Networks and Wide Area Networks

The Internet

Voice and Data Delivery Networks

Network Design and Management

Filters

Exam 12: Network Security

A ____ cipher is different from a substitution-based cipher in that the order of the plaintext is not preserved.

In ____,a Web user seeking to visit a particular company's Web site is unknowingly redirected to a bogus Web site that looks exactly like that company's official Web site.

All certificates are issued by a certificate authority.

One popular application of IPsec is in the support of virtual private networks.

A(n)____________________ is a system or combination of systems that supports an access control policy between two networks.

____________________ define the network resources that a user or set of users can access.

The ____________________ cipher was devised by Blaise de Vigenére in 1586.

The concept of two keys,public and private,is called ____ cryptography.

The physical protection of a computer system or a computer network consists of protecting the equipment from physical damage.

Perhaps the most common form of protection from unauthorized use of a computer system is the ____.

____ may be considered a form of physical protection.

____ is a set of protocols created to support the secure transfer of data at the IP layer.

____________________ is the art and science of hiding information inside other,seemingly ordinary messages or documents.

Antivirus software with ________________________________________ runs in the background while an application that the user is executing runs in the foreground.

WAP has been replaced by a new standard,Wired Equivalency Protocol (WEP).

All system attacks need a user to open an e-mail or Web page.

_________________________ bombard a computer site with so many messages that the site is incapable of performing its normal duties.

A ____ substitution-based cipher replaces a character or group of characters with a different character or group of characters.

SSL's successor is ____,which is based upon SSL version 3 and contains a few technical improvements over SSL.

Some common types of denial of service include e-mail bombing,____,and ping storm.

Introduction to Computer Networks and Data Communications

Fundamentals of Data and Signals

Conducted and Wireless Media

Making Connections

Making Connections Efficient: Multiplexing and Compression

Errors, Error Detection, and Error Control

Local Area Networks: Part I

Local Area Networks: Part II

Introduction to Metropolitan Area Networks and Wide Area Networks

The Internet

Voice and Data Delivery Networks

Network Design and Management

Filters