Practice Test: Module 06 Basic
Cryptography Exam Questions With All
Correct Answers.
Which method combines plaintext with a random key to produce the ciphertext? - Answer OTP
Which of the following processes can conceal a file, message, image, or a video within another file,
message, image, or a video? - Answer Steganography
Alice is looking for means of generating random public keys that are different for each session and
ensuring that even if the secret key is compromised, it cannot reveal the contents of more than one
message. Which of the following is the appropriate solution for Alice? - Answer Perfect forward secrecy
John needs to identify public key systems that generate different, random public keys for each session
and, even if a key gets stolen, should not reveal more than one message.
Which public key system should John suggest? - Answer Perfect forward secrecy
What is the attack by which attackers use strong algorithms and capture large sets of ciphertexts to
analyze and then inject their own frames? - Answer Ciphertext attack
Which of the following encryption methods is external to the device and provides cryptographic
services? - Answer HSM
Wilson is consulting with Abram to buy a new external storage device for Wilson's enterprise. Wilson
gives Abram the following requirements for the device:
Allows administrators to remotely prohibit accessing the data on a device if the user is not verified
Locks the user out completely the next time the device connects
Cryptography Exam Questions With All
Correct Answers.
Which method combines plaintext with a random key to produce the ciphertext? - Answer OTP
Which of the following processes can conceal a file, message, image, or a video within another file,
message, image, or a video? - Answer Steganography
Alice is looking for means of generating random public keys that are different for each session and
ensuring that even if the secret key is compromised, it cannot reveal the contents of more than one
message. Which of the following is the appropriate solution for Alice? - Answer Perfect forward secrecy
John needs to identify public key systems that generate different, random public keys for each session
and, even if a key gets stolen, should not reveal more than one message.
Which public key system should John suggest? - Answer Perfect forward secrecy
What is the attack by which attackers use strong algorithms and capture large sets of ciphertexts to
analyze and then inject their own frames? - Answer Ciphertext attack
Which of the following encryption methods is external to the device and provides cryptographic
services? - Answer HSM
Wilson is consulting with Abram to buy a new external storage device for Wilson's enterprise. Wilson
gives Abram the following requirements for the device:
Allows administrators to remotely prohibit accessing the data on a device if the user is not verified
Locks the user out completely the next time the device connects
