Unit 4 Quiz - Lessons 1 - 7

What are the two forms of authenticated modes of operations?

• Single-sided and mutual
• Dual and unilateral
• Disconnected and mutual
• Single-sided and double-sided

What is a mode of operation?

• An algorithm used with a block cipher to make an encryption algorithm
• Determining whether the game difficulty is easy, medium, hard, or impossible
• Choosing whether to work with traditional medicine or black magic
• The choice on boot between running in BIOS or loading the OS

What is a stream cipher?

• A symmetric key cipher that encrypts plaintext one byte at a time
• An asymmetric key cipher that encrypts plaintext one stream at a time
• A symmetric key cipher that encrypts plaintext one block at a time
• An asymmetric key cipher that encrypts plaintext one hash at a time

What is a blockchain?

• a distributed and immutable public ledger
• A chain of block ciphers
• A series of encryption algorithms designed to secure governmental data
• None of the above

What is steganography?

• The practice of hiding information in ways to prevent the detection of hidden messages
• The practice and study of writing or solving codes
• The practice of graphing a Stegosaurus drinking eggnog, but only in September in Europe
• The process of assigning a code to something for the purposes of classification or identification

What is obfuscation?

• The art of making something obscure, unclear, or unintelligible
• The state of being unknown, inconspicuous, or unimportant
• An arrangement or rearrangement of the members of a set into a sequence or linear order
• A philosopher known for Obfuscationism

What is confidentiality?

• Secrecy
• Informant
• Smugness
• Blurriness

Until a key has been compromised, there is no need to update to a more secure one.

• False
• True

Which of the following is NOT a cryptography limitation hindered by being too large?

• Longevity
• Time
• Speed
• Size

A(n) ______ is a structured, organized storage and retrieval system for data

• database
• field
• array
• gate