Question 1

What cryptographic method,first proposed in the mid-1980s,makes use of sloping curves instead of large prime numbers?

Accepted Answer

A)  FCC
B)  RSA
C)  ECC
D)  IKEE) A) and B)
F) B) and C)

Question 2

If Bob receives an encrypted reply message from Alice,whose private key is used to decrypt the received message?

Accepted Answer

A)  Bob's private key.
B)  Alice's private key.
C)  Bob and Alice's keys.
D)  Bob's private key and Alice's public key.E) A) and B)
F) A) and C)

Question 3

What is the difference between a stream cipher and a block cipher?

Accepted Answer

When comparing the amount of d...

Question 4

What alternative term can be used to describe asymmetric cryptographic algorithms?

Accepted Answer

A)  user key cryptography
B)  public key cryptography
C)  private key cryptography
D)  cipher-text cryptographyE) A) and B)
F) All of the above

Question 5

After the DES cipher was broken and no longer considered secure,what encryption algorithm was made as its successor?

Accepted Answer

A)  AES
B)  Twofish
C)  3DES
D)  RSAE) B) and D)
F) A) and D)

Question 6

How does asymmetric encryption work?

Accepted Answer

Asymmetric encryption uses two keys inst...

Question 7

How does a downgrade attack work?

Accepted Answer

In a downgrade attack a threat actor for...

Question 8

What type of cryptographic algorithm creates a unique digital fingerprint of a set of data?

Accepted Answer

A)  hash
B)  key
C)  digest
D)  blockE) B) and C)
F) All of the above

Question 9

What is a pseudorandom number generator?

Accepted Answer

A pseudorandom number generato...

Question 10

Asymmetric cryptographic algorithms are also known as private key cryptography.

Accepted Answer

A) True 
 B)False

Question 11

What four basic protections can cryptography support?

Accepted Answer

Cryptography can sup...

Question 12

What term describes data actions being performed by endpoint devices,such as printing a report from a desktop computer?

Accepted Answer

A)  data-in-transit
B)  data-in-play
C)  data-at-rest
D)  data-in-useE) B) and D)
F) C) and D)

Question 13

What is meant by the phrase "security through obscurity," and why is this concept not accurate?

Accepted Answer

Security through obscurity,or the notion...

Question 14

GNU Privacy Guard a proprietary software that runs on different operating systems.

Accepted Answer

A) True 
 B)False

Question 15

Explain how a hash algorithm works and how it is primarily used.

Accepted Answer

A hash algorithm creates a unique "digit...

Question 16

What type of cipher takes one character and replaces it with one character,working one character at a time?

Accepted Answer

A)  block cipher
B)  single cipher
C)  unit cipher
D)  stream cipherE) B) and C)
F) A) and B)

Question 17

Wireless data networks are particularly susceptible to known ciphertext attacks.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following are considered to be common asymmetric cryptographic algorithms? (Choose all that apply. )

Accepted Answer

A)  Data Encryption Standard
B)  Elliptic Curve Cryptography
C)  Advanced Encryption Standard
D)  Digital Signature AlgorithmE) B) and C)
F) None of the above

Question 19

Data that is in an unencrypted form is referred to as which of the following?

Accepted Answer

A)  crypttext
B)  plain text
C)  simpletext
D)  cleartextE) B) and D)
F) A) and B)

Question 20

When Bob needs to send Alice a message with a digital signature,whose private key is used to encrypt the hash?

Accepted Answer

A)  Bob's private key
B)  Alice's private key
C)  Bob and Alice's keys.
D)  Bob's private key and Alice's public key.E) A) and B)
F) A) and C)

Exam 3: Basic Cryptography

What is the difference between a stream cipher and a block cipher?

Correct AnswerverifiedWhen comparing the amount of d...View AnswerShow Answer

What is meant by the phrase "security through obscurity," and why is this concept not accurate?

Correct AnswerverifiedSecurity through obscurity,or the notion...View AnswerShow Answer

After the DES cipher was broken and no longer considered secure,what encryption algorithm was made as its successor?

Correct AnswerverifiedShow Answer

What type of cipher takes one character and replaces it with one character,working one character at a time?

Correct AnswerverifiedShow Answer

Explain how a hash algorithm works and how it is primarily used.

Correct AnswerverifiedA hash algorithm creates a unique "digit...View AnswerShow Answer

When Bob needs to send Alice a message with a digital signature,whose private key is used to encrypt the hash?

Correct AnswerverifiedShow Answer

How does a downgrade attack work?

Correct AnswerverifiedIn a downgrade attack a threat actor for...View AnswerShow Answer

What term describes data actions being performed by endpoint devices,such as printing a report from a desktop computer?

Correct AnswerverifiedShow Answer

What type of cryptographic algorithm creates a unique digital fingerprint of a set of data?

Correct AnswerverifiedShow Answer

What cryptographic method,first proposed in the mid-1980s,makes use of sloping curves instead of large prime numbers?

Correct AnswerverifiedShow Answer

Data that is in an unencrypted form is referred to as which of the following?

Correct AnswerverifiedShow Answer

How does asymmetric encryption work?

Correct AnswerverifiedAsymmetric encryption uses two keys inst...View AnswerShow Answer

Asymmetric cryptographic algorithms are also known as private key cryptography.

Correct AnswerverifiedShow Answer

What four basic protections can cryptography support?

Correct AnswerverifiedCryptography can sup...View AnswerShow Answer

If Bob receives an encrypted reply message from Alice,whose private key is used to decrypt the received message?

Correct AnswerverifiedShow Answer

Wireless data networks are particularly susceptible to known ciphertext attacks.

Correct AnswerverifiedShow Answer

GNU Privacy Guard a proprietary software that runs on different operating systems.

Correct AnswerverifiedShow Answer

What alternative term can be used to describe asymmetric cryptographic algorithms?

Correct AnswerverifiedShow Answer

Which of the following are considered to be common asymmetric cryptographic algorithms? (Choose all that apply. )

Correct AnswerverifiedShow Answer

What is a pseudorandom number generator?

Correct AnswerverifiedA pseudorandom number generato...View AnswerShow Answer

Correct Answer
verified
When comparing the amount of d...
View Answer

Correct Answer
verified
Security through obscurity,or the notion...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A hash algorithm creates a unique "digit...
View Answer

Correct Answer
verified

Correct Answer
verified
In a downgrade attack a threat actor for...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Asymmetric encryption uses two keys inst...
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Correct Answer
verified

Correct Answer
verified
Cryptography can sup...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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A pseudorandom number generato...
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