Cybersecurity Chapter 4

A warning banner that lists the negative outcomes of breaking company policy is displayed each time a computer user logs in to the mac type of access control is implemented?

• detective

• preventive

• masking

• deterrent

What encryption algorithm uses the same pre-shared key to encrypt and decrypt data?

• one-time pad

• symmetric

• asymmetric

• hash

Which 128-bit block cipher encryption algorithm does the US government use to protect classified information?

• Caesar

• AES

• 3DES

• Vignere

What is the term used to describe the science of making and breaking secret codes?

• spoofing

• impersonation

• cryptology

• jamming

Which type of cipher is able to encrypt a fixed-length block of plaintext into a 128-bit block of ciphertext at any one time?

• block

• transform

• hash

• symmetric

What encryption algorithm uses one key to encrypt data and a different key to decrypt data?

• transposition

• one-time pad

• asymmetric

• symmetric

Which term describes the technology that protects software from unauthorized access or modification?

• copyright

• trademark

• access control

• watermarking

What type of cipher encrypts plaintext one byte or one bit at a time?

• stream

• block

• enigma

• hash

Which asymmetric algorithm provides an electronic key exchange method to share the secret key?

• Diffie-Hellman

• RSA

• WEP

• DES