Cybersecurity Essentials - Chapter 4

Question 1

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

Accepted Answer

watermarking

Question 2

Which block cipher encryption algorithm does the US Gov. use to protect classified information?

Accepted Answer

AES

Question 3

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

Accepted Answer

asymmetric

Question 4

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

Accepted Answer

asymmetric

Question 5

Which three protocols use asymmetric key algorithms?

Accepted Answer

PGP, SSH, SSL

Question 6

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

Accepted Answer

cryptology

Question 7

What term is used to describe concealing data in another file such as a graphic, other file?

Accepted Answer

obfuscation

Question 8

What is the name of the method in which letters are rearranged to create the ciphertext?

Accepted Answer

transposition

Question 9

What are three examples of administrative access controls?

Accepted Answer

policies and procedures, hiring practices, background checks

Question 10

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

Accepted Answer

stream

Questions 10