Question 1

__________ is an integrated system of software, encryption methodologies, protocols, legal agreements, and third-party services that enables users to communicate securely.

Accepted Answer

A)  MAC 
B)  PKI 
C)  DES 
D)  AES

Question 2

To encipher means to decrypt, decode, or convert ciphertext into the equivalent plaintext. _________________________

Accepted Answer

A) True 
 B)False

Question 3

Hashing functions do not require the use of keys, but it is possible to attach a ____________________ code to allow only specified recipients to access the message digest.

Accepted Answer

The answer of Hashing functions do not require the use...

Question 4

__________ is the entire range of values that can possibly be used to construct an individual key.

Accepted Answer

A)  Code 
B)  Keyspace 
C)  An algorithm 
D)  A cryptogram

Question 5

A(n) distinguished name uniquely identifies a certificate entity to a user's public key. _________________________

Accepted Answer

A) True 
 B)False

Question 6

Internet Protocol Security (IPSec) is an open-source protocol framework for security development within the TCP/IP family of protocols.

Accepted Answer

A) True 
 B)False

Question 7

In IPSec ____________________ mode, only the IP data is encrypted, not the IP headers.

Accepted Answer

The answer of In IPSec ____________________ mode, only the IP...

Question 8

To use a(n) ____________________ cipher, you substitute one value for another.

Accepted Answer

The answer of To use a(n) ____________________ cipher, you substitute...

Question 9

Ciphertext or a cryptogram is an encoded message, or a message that has been successfully encrypted. _________________________

Accepted Answer

A) True 
 B)False

Question 10

Steganography is a data hiding method that involves embedding information within other files, such as digital pictures or other images.

Accepted Answer

A) True 
 B)False

Question 11

Describe symmetric and asymmetric encryption.

Accepted Answer

The answer of Describe symmetric and asymmetric encryption....

Question 12

Pretty Good Privacy (PGP) uses the freeware ZIP algorithm to compress the message after it has been digitally signed but before it is encrypted. _________________________

Accepted Answer

A) True 
 B)False

Question 13

The __________ algorithm, developed in 1977, was the first public-key encryption algorithm published for commercial use.

Accepted Answer

A)  DES 
B)  RSA 
C)  MAC 
D)  AES

Question 14

The most popular modern version of steganography involves hiding information within files that contain digital pictures or other images. _________________________

Accepted Answer

A) True 
 B)False

Question 15

The successor to 3DES is the ____________________ Encryption Standard.

Accepted Answer

The answer of The successor to 3DES is the ____________________...

Question 16

A mathematical ____________________ is a secret mechanism that enables you to easily accomplish the reverse function in a one-way function.

Accepted Answer

The answer of A mathematical ____________________ is a secret mechanism...

Question 17

At the World Championships in Athletics in Helsinki in August 2005, a virus called Cabir infected dozens of __________, the first time this occurred in a public setting.

Accepted Answer

A)  iPad tablets 
B)  Bluetooth mobile phones 
C)  WiFi routers 
D)  laptop Macintosh computers

Question 18

In the context of a PKI, a(n) ____________________ authority operates under the trusted collaboration of the certificate authority and can be delegated day-to-day certification functions, such as verifying registration information about new registrants, generating end-user keys, revoking certificates, and validating that users possess a valid certificate.

Accepted Answer

The answer of In the context of a PKI, a(n)...

Question 19

The process of obtaining the plaintext message from a ciphertext message without knowing the keys used to perform the encryption is called ___________.

Accepted Answer

The answer of The process of obtaining the plaintext message...

Question 20

UltraViolet wireless (UVW) is a de facto industry standard for short-range wireless communications between devices. _________________________

Accepted Answer

A) True 
 B)False

Exam 8: Cryptography

__________ is an integrated system of software, encryption methodologies, protocols, legal agreements, and third-party services that enables users to communicate securely.

To encipher means to decrypt, decode, or convert ciphertext into the equivalent plaintext. _________________________

Hashing functions do not require the use of keys, but it is possible to attach a ____________________ code to allow only specified recipients to access the message digest.

__________ is the entire range of values that can possibly be used to construct an individual key.

A(n) distinguished name uniquely identifies a certificate entity to a user's public key. _________________________

Internet Protocol Security (IPSec) is an open-source protocol framework for security development within the TCP/IP family of protocols.

In IPSec ____________________ mode, only the IP data is encrypted, not the IP headers.

To use a(n) ____________________ cipher, you substitute one value for another.

Ciphertext or a cryptogram is an encoded message, or a message that has been successfully encrypted. _________________________

Steganography is a data hiding method that involves embedding information within other files, such as digital pictures or other images.

Describe symmetric and asymmetric encryption.

Pretty Good Privacy (PGP) uses the freeware ZIP algorithm to compress the message after it has been digitally signed but before it is encrypted. _________________________

The __________ algorithm, developed in 1977, was the first public-key encryption algorithm published for commercial use.

The most popular modern version of steganography involves hiding information within files that contain digital pictures or other images. _________________________

The successor to 3DES is the ____________________ Encryption Standard.

A mathematical ____________________ is a secret mechanism that enables you to easily accomplish the reverse function in a one-way function.

At the World Championships in Athletics in Helsinki in August 2005, a virus called Cabir infected dozens of __________, the first time this occurred in a public setting.

The process of obtaining the plaintext message from a ciphertext message without knowing the keys used to perform the encryption is called ___________.

UltraViolet wireless (UVW) is a de facto industry standard for short-range wireless communications between devices. _________________________