Question 1

Decryption is the process of creating ciphertext from plaintext.

Accepted Answer

A) True 
 B)False

Question 2

The Vigenère cipher is a polyalphabetic substitution cipher.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is NOT a hashing algorithm

Accepted Answer

A)  SHA1
B)  MD2
C)  SHA3
D)  MD5E) None of the above
F) B) and D)

Question 4

A collision attack is type of denial-of-service flooding attack that causes the number of collisions on the network to increase and thus bring down the network.

Accepted Answer

A) True 
 B)False

Question 5

The art of secret writing that enables an individual to hide the contents of a message from all but the intended recipient is called

Accepted Answer

A)  Steganography
B)  Cryptanalysis
C)  Cryptography
D)  Key managementE) All of the above
F) B) and D)

Question 6

_______________ is a form of cryptography technology that can detect the interception of transmitted key bits.

Accepted Answer

Quantum Cr...

Question 7

Encrypting a message by simply rearranging the order of the letters is a function of the

Accepted Answer

A)  Shift cipher
B)  Substitution cipher
C)  Transposition cipher
D)  Vigenère cipherE) A) and D)
F) C) and D) C

Question 8

All of the following are symmetric encryption algorithms EXCEPT:

Accepted Answer

A)  ECC
B)  Blowfish
C)  AES
D)  DESE) A) and C)
F) B) and C)

Question 9

Hiding a text file in a jpg file is an example of steganography.

Accepted Answer

A) True 
 B)False

Question 10

All of the following are asymmetric encryption algorithms EXCEPT:

Accepted Answer

A)  RSA
B)  3DES
C)  ECC
D)  ElGamalE) A) and C)
F) A) and B)

Question 11

All of the following are cryptographic applications EXCEPT:

Accepted Answer

A)  PGP
B)  FreeOTFE
C)  StegDetect
D)  GnuPGE) C) and D)
F) None of the above

Question 12

Bob connects to a company web site.His browser indicates that the digital certificate of the web site is valid.This application of encryption is an example of

Accepted Answer

A)  Authentication
B)  Nonrepudiation
C)  Integrity
D)  ConfidentialityE) A) and B)
F) A) and C)

Question 13

_______________ puts the plaintext through a simplified cipher to try to deduce what the key is likely to be in a full version of the cipher.

Accepted Answer

Linear cry...

Question 14

Hashing functions are special mathematical functions that performs a two-way encryption.

Accepted Answer

A) True 
 B)False

Question 15

The process for protecting intellectual property from unauthorized use is called _______________

Accepted Answer

digital rights management

Question 16

DES,AES,RSA,and ECC are all examples of symmetric encryption.

Accepted Answer

A) True 
 B)False

Question 17

The Vigenère cipher works as a

Accepted Answer

A)  Asymmetric encryption cipher
B)  Transposition and substitution cipher
C)  Polyalphabetic transposition cipher
D)  Polyalphabetic substitution cipherE) A) and C)
F) None of the above

Question 18

Explain two ways encryption was done in ancient times without computers.

Accepted Answer

The Spartans used a ribbon and cylinder and did a transposition cipher.The Romans used a shift cipher.

Question 19

When a message sent by a user is digitally signed with a private key,the person will not be able to deny sending the message.This application of encryption is an example of

Accepted Answer

A)  Authentication
B)  Nonrepudiation
C)  Confidentiality
D)  AuditingE) A) and B)
F) C) and D)

Question 20

_______________ are functions that difficult to process without the key but easy to process when you have the key.

Accepted Answer

The answer of _______________ are functions that difficult to process...

Exam 5: Cryptography

Decryption is the process of creating ciphertext from plaintext.

Correct AnswerverifiedShow Answer

The Vigenère cipher is a polyalphabetic substitution cipher.

Correct AnswerverifiedShow Answer

Which of the following is NOT a hashing algorithm

Correct AnswerverifiedShow Answer

A collision attack is type of denial-of-service flooding attack that causes the number of collisions on the network to increase and thus bring down the network.

Correct AnswerverifiedShow Answer

The art of secret writing that enables an individual to hide the contents of a message from all but the intended recipient is called

Correct AnswerverifiedShow Answer

_______________ is a form of cryptography technology that can detect the interception of transmitted key bits.

Correct AnswerverifiedQuantum Cr...View AnswerShow Answer

Encrypting a message by simply rearranging the order of the letters is a function of the

Correct AnswerverifiedC

All of the following are symmetric encryption algorithms EXCEPT:

Correct AnswerverifiedShow Answer

Hiding a text file in a jpg file is an example of steganography.

Correct AnswerverifiedShow Answer

All of the following are asymmetric encryption algorithms EXCEPT:

Correct AnswerverifiedShow Answer

All of the following are cryptographic applications EXCEPT:

Correct AnswerverifiedShow Answer

Bob connects to a company web site.His browser indicates that the digital certificate of the web site is valid.This application of encryption is an example of

Correct AnswerverifiedShow Answer

_______________ puts the plaintext through a simplified cipher to try to deduce what the key is likely to be in a full version of the cipher.

Correct AnswerverifiedLinear cry...View AnswerShow Answer

Hashing functions are special mathematical functions that performs a two-way encryption.

Correct AnswerverifiedShow Answer

The process for protecting intellectual property from unauthorized use is called _______________

Correct Answerverifieddigital rights management

DES,AES,RSA,and ECC are all examples of symmetric encryption.

Correct AnswerverifiedShow Answer

The Vigenère cipher works as a

Correct AnswerverifiedShow Answer

Explain two ways encryption was done in ancient times without computers.

Correct AnswerverifiedThe Spartans used a ribbon and cylinder and did a transposition cipher.The Romans used a shift cipher.

When a message sent by a user is digitally signed with a private key,the person will not be able to deny sending the message.This application of encryption is an example of

Correct AnswerverifiedShow Answer

_______________ are functions that difficult to process without the key but easy to process when you have the key.

Correct AnswerverifiedShow Answer

Correct Answer
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Quantum Cr...
View Answer

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C

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Linear cry...
View Answer

Correct Answer
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digital rights management

Correct Answer
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Correct Answer
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The Spartans used a ribbon and cylinder and did a transposition cipher.The Romans used a shift cipher.

Correct Answer
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Correct Answer
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