Question 1

Describe some of the common protocols used to secure e-mail.

Accepted Answer

Mail Extensions (MIME) that encode forma

Question 2

____ attacks can be successful when the ciphertext consists of relatively few characters.

Accepted Answer

A)  Correlation 
B)  Man-in-the-middle 
C)  Dictionary 
D)  Timing 
A)  Correlation 
B)  Man-in-the-middle 
C)  Dictionary 
D)  Timing

Question 3

Firewalls have always performed encryption-related functions.

Accepted Answer

A) True 
 B)False

Question 4

Text that has been encrypted is called ____.

Accepted Answer

A)  ciphertext 
B)  plaintext 
C)  cryptotext 
D)  cryptography 
A)  ciphertext 
B)  plaintext 
C)  cryptotext 
D)  cryptography

Question 5

Session ____________________ are attacks involving a communication session that has already been established between a server and a client.

Accepted Answer

The answer of Session ____________________ are attacks involving a communication...

Question 6

Pure asymmetric key encryption is widely used except in the area of certificates.

Accepted Answer

A) True 
 B)False

Question 7

What are common implementations of PKI?

Accepted Answer

Systems to issue digital certificates to

Question 8

In ____________________ cipher conversion, the bit stream is subjected to a Boolean XOR function against some other data stream, typically a key stream.

Accepted Answer

The answer of In ____________________ cipher conversion, the bit stream...

Question 9

Describe some of the challenges that organizations face when it comes to cryptographic controls.

Accepted Answer

Cryptographic controls are often misunde

Question 10

Match each item with a statement below.
-The information used in conjunction with the algorithm to create the ciphertext from the plaintext.

Accepted Answer

A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable 
A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable

Question 11

Match each item with a statement below.
-The amount of effort (usually expressed in units of time) required to perform cryptanalysis on an encoded message.

Accepted Answer

A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable 
A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable

Question 12

Describe symmetric encryption.What is the weakness of this type of encryption?

Accepted Answer

Each of the aforementioned encryption an

Question 13

According to the computer insurance agency Safeware, Inc.(www.safeware.com), a laptop is stolen every ____.

Accepted Answer

A)  second 
B)  12 seconds 
C)  5 minutes 
D)  2 hours 
A)  second 
B)  12 seconds 
C)  5 minutes 
D)  2 hours

Question 14

Match each item with a statement below.
-To decrypt or convert ciphertext to plaintext.

Accepted Answer

A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable 
A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable

Question 15

In e-commerce, some cryptographic tools can be used to assure that parties to the transaction are authentic, so that they cannot later deny having participated in a transaction, a feature often called ____________________.

Accepted Answer

The answer of In e-commerce, some cryptographic tools can be...

Question 16

Match each item with a statement below.
-To encrypt or convert plaintext to ciphertext.

Accepted Answer

A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable 
A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable

Question 17

The replacement of one alphabet character with another from more than one alphabets is known as

Accepted Answer

A)  polyalphabetic substitution 
B)  transposition cipher 
C)  Caesar cipher 
D)  monoaphabetic substitution 
A)  polyalphabetic substitution 
B)  transposition cipher 
C)  Caesar cipher 
D)  monoaphabetic substitution

Question 18

____ was developed by Netscape in 1994 to provide security for online electronic commerce transactions.

Accepted Answer

A)  Secure Hypertext Transfer Protocol (SHTTP) 
B)  Secure Shell (SSH) 
C)  Secure Sockets Layer (SSL) 
D)  Secure Electronic Transactions (SET) 
A)  Secure Hypertext Transfer Protocol (SHTTP) 
B)  Secure Shell (SSH) 
C)  Secure Sockets Layer (SSL) 
D)  Secure Electronic Transactions (SET)

Question 19

____ is a Kerberos service that generates and issues session keys.

Accepted Answer

A)  IP Security (IPSec) 
B)  Kerberos Ticket Granting Service (TGS) 
C)  Key Distribution Center (KD
C)  
D)  Authentication Server (AS) 
A)  IP Security (IPSec) 
B)  Kerberos Ticket Granting Service (TGS) 
C)  Key Distribution Center (KD
C)  
D)  Authentication Server (AS)

Question 20

Match each item with a statement below.
-The transformation of the individual components (characters, bytes, or bits) of an unencrypted message into encrypted components.

Accepted Answer

A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable 
A) cipher 
B) keyspace 
C) encipher 
D) cryptosystem 
E) ciphertext
F)work factor
G)decipher
H)algorithm
I)cryptovariable

Describe some of the common protocols used to secure e-mail.

____ attacks can be successful when the ciphertext consists of relatively few characters.

Firewalls have always performed encryption-related functions.

Text that has been encrypted is called ____.

Session ____________________ are attacks involving a communication session that has already been established between a server and a client.

Pure asymmetric key encryption is widely used except in the area of certificates.

What are common implementations of PKI?

In ____________________ cipher conversion, the bit stream is subjected to a Boolean XOR function against some other data stream, typically a key stream.

Describe some of the challenges that organizations face when it comes to cryptographic controls.

Match each item with a statement below. -The information used in conjunction with the algorithm to create the ciphertext from the plaintext.

Match each item with a statement below. -The amount of effort (usually expressed in units of time) required to perform cryptanalysis on an encoded message.

Describe symmetric encryption.What is the weakness of this type of encryption?

According to the computer insurance agency Safeware, Inc.(www.safeware.com), a laptop is stolen every ____.

Match each item with a statement below. -To decrypt or convert ciphertext to plaintext.

In e-commerce, some cryptographic tools can be used to assure that parties to the transaction are authentic, so that they cannot later deny having participated in a transaction, a feature often called ____________________.

Match each item with a statement below. -To encrypt or convert plaintext to ciphertext.

The replacement of one alphabet character with another from more than one alphabets is known as

____ was developed by Netscape in 1994 to provide security for online electronic commerce transactions.

____ is a Kerberos service that generates and issues session keys.

Match each item with a statement below. -The transformation of the individual components (characters, bytes, or bits) of an unencrypted message into encrypted components.

Introduction to Information Security

Security Policies and Standards

Authenticating Users

Introduction to Firewalls

Packet Filtering

Firewall Configuration and Administration

Working With Proxy Servers and Application-Level Firewalls

Implementing the Bastion Host

Setting up a Virtual Private Network

Filters

Exam 9: Encryption - The Foundation for the Virtual Private Network

Describe some of the common protocols used to secure e-mail.

____ attacks can be successful when the ciphertext consists of relatively few characters.

Firewalls have always performed encryption-related functions.

Text that has been encrypted is called ____.

Session ____________________ are attacks involving a communication session that has already been established between a server and a client.

Pure asymmetric key encryption is widely used except in the area of certificates.

What are common implementations of PKI?

In ____________________ cipher conversion, the bit stream is subjected to a Boolean XOR function against some other data stream, typically a key stream.

Describe some of the challenges that organizations face when it comes to cryptographic controls.

Match each item with a statement below. -The information used in conjunction with the algorithm to create the ciphertext from the plaintext.

Match each item with a statement below. -The amount of effort (usually expressed in units of time) required to perform cryptanalysis on an encoded message.

Describe symmetric encryption.What is the weakness of this type of encryption?

According to the computer insurance agency Safeware, Inc.(www.safeware.com), a laptop is stolen every ____.

Match each item with a statement below. -To decrypt or convert ciphertext to plaintext.

In e-commerce, some cryptographic tools can be used to assure that parties to the transaction are authentic, so that they cannot later deny having participated in a transaction, a feature often called ____________________.

Match each item with a statement below. -To encrypt or convert plaintext to ciphertext.

The replacement of one alphabet character with another from more than one alphabets is known as

____ was developed by Netscape in 1994 to provide security for online electronic commerce transactions.

____ is a Kerberos service that generates and issues session keys.

Match each item with a statement below. -The transformation of the individual components (characters, bytes, or bits) of an unencrypted message into encrypted components.

Introduction to Information Security

Security Policies and Standards

Authenticating Users

Introduction to Firewalls

Packet Filtering

Firewall Configuration and Administration

Working With Proxy Servers and Application-Level Firewalls

Implementing the Bastion Host

Setting up a Virtual Private Network

Filters