CISSP Mod 3-B

What do cryptosystems use for the encryption and decryption of messages?

• Visual algorithms

• Mathematical equations

• Cryptographic algorithms or ciphers

• Physical locks

What type of cipher is the Caesar cipher?

• Transposition cipher

• Substitution cipher

• Hieroglyphic cipher

• Modern encryption algorithm

Which type of cryptography is mentioned as being able to provide non-repudiation?

• Symmetric cryptography

• Asymmetric cryptography

• Hashing

• Key Management

What is a characteristic of strong cryptographic keys?

• They are short and easy to remember

• They must produce a predictable output

• They are long and must not produce a predictable output

• They are based on user passwords

Which organization tests and approves cryptographic algorithms for US government use?

• Federal Bureau of Investigation (FBI)

• National Institute of Standards and Technology (NIST)

• Computer Information Security Agency (CISA)

• Department of Homeland Security (DHS)

What is a cryptographic algorithm?

• A mathematical function used to encrypt and decrypt data

• A method to compress data

• A technique to store data

• A process to analyze data

Which of the following is NOT a group of cryptographic algorithms?

• Symmetric

• Asymmetric

• Hash functions

• Quantum functions

What are keys used in asymmetric cryptography normally referred to as?

• Private and Public keys

• Secret keys and Shared Secret Keys

• Encryption and Decryption keys

• Primary and Secondary keys

What are keys used in symmetric cryptography referred to as?

• Secret keys or Shared Secret Keys

• Private and Public keys

• Encryption and Decryption keys

• Primary and Secondary keys

What is the result of the XOR (⊕) operation when X is 1 and Y is 0?

• 0

• 1

• 2

• -1