Module 3 Fundamentals of Cryptography
Final Exam Questions And Correct
Answers.
Layla has encrypted a document so that it can only be viewed by those who have been provided the key.
What protection has she given to this document? - Answer Confidentiality
Which type of blockchain can anyone join? - Answer Public blackchain
Karyme needs to select a hash algorithm that will produce the longest and most secure digest. Which
would she choose? - Answer Whirlpool
Which type of encryption would protect all data on a hard drive, including the installed OS? - Answer
FDE
What is data called that is to be encrypted by inputting it into a cryptographic algorithm? - Answer
plaintext
Which of the following is NOT correct about a one-time pad (OTP)? - Answer it requires a cipher disk
Farah needs to encrypt only a few files and does not want the entire disk contents to be encrypted. What
type of encryption would she use? - Answer File-level encryption
Which of the following is NOT a form of obfuscation? - Answer Ciphering
Which algorithm uses the same key to both encrypt and decrypt data? - Answer Symmetric
cryptographic algorithm
If Bob wants to send a secure message to Alice using an asymmetric cryptographic algorithm, which key
does he use to encrypt the message? - Answer Alice's public key
Final Exam Questions And Correct
Answers.
Layla has encrypted a document so that it can only be viewed by those who have been provided the key.
What protection has she given to this document? - Answer Confidentiality
Which type of blockchain can anyone join? - Answer Public blackchain
Karyme needs to select a hash algorithm that will produce the longest and most secure digest. Which
would she choose? - Answer Whirlpool
Which type of encryption would protect all data on a hard drive, including the installed OS? - Answer
FDE
What is data called that is to be encrypted by inputting it into a cryptographic algorithm? - Answer
plaintext
Which of the following is NOT correct about a one-time pad (OTP)? - Answer it requires a cipher disk
Farah needs to encrypt only a few files and does not want the entire disk contents to be encrypted. What
type of encryption would she use? - Answer File-level encryption
Which of the following is NOT a form of obfuscation? - Answer Ciphering
Which algorithm uses the same key to both encrypt and decrypt data? - Answer Symmetric
cryptographic algorithm
If Bob wants to send a secure message to Alice using an asymmetric cryptographic algorithm, which key
does he use to encrypt the message? - Answer Alice's public key
