Chapter 6 (Fundamentals of Cybersecurity

Cryptography is the art of transforming information called (a)   into an unreadable form (ciphertext) using a secret key

Which process involves transforming plaintext into ciphertext using a key

• encryption
• scrambling
• decryption
• encoding

Which process involves transforming ciphertext into plaintext using a key

• encryption
• scrambling
• decryption
• encoding

What term is used to verify the identity of an individual using digital signatures and public-key cryptography?

(a)  

Which of the following uses an immutable ledger that facilitates the process of recording transactions?

• Blockchain
• Decentralized Network
• Centralized Database
• Mutable Ledger

Which of the following are limitations to cryptography?

• Key management can be complex

• New vulnerabilities may emerge

• Quantum computing threatens existing algorithms

• Key length does not affect security.

Which of the following are common cryptographic algorithms?

• Ceasar Cipher

• OTP

• Hashing

• LTP

Which type of cryptographic algorithm uses public and private keys for encryption and authentication?

• Asymmetric encryption
• Symmetric encryption
• Digital signature
• Hashing algorithm

Which vulnerability is finding two different messages that produce the same hash value?

• Collision attack
• Message clash
• Duplicate hash
• Hash collision

Which command will generate an MD5 hash from a Linux prompt?

• md5gen
• md5sum
• md5check
• md5hash