WGU D334 Updated Questions and Answers (2026/2027) | Practice Review | A+ Verified

WGU D334 Updated Questions and Answers
(2026/2027) | Practice Review | A+ Verified
• DES . Answer: Symmetric Block Cipher
Key: 56 bits
Block: 64 bits
Rounds 16


• 3DES . Answer: Symmetric Block Cipher
Key: 56 bits
Block: 64 bits
Rounds 16


Runs DES 3 times


• AES . Answer: Symmetric Block Cipher
Key: 128, 192, & 256 bits
Block: 128 bits
Rounds: 10, 12, 14


• TwoFish . Answer: Symmetric Block Cipher
Key: Up to 256 bits
Block: 80 bits
Rounds 16


• Blowfish . Answer: Symmetric Block Cipher

,Key: 32-448 bits
Block: 64 bits
Rounds 16


• Skipjack . Answer: Symmetric Block Cipher
Key: 80 bits
Block: 64 bits
Rounds: 32


• IDEA . Answer: Symmetric Block Cipher
Key: 128 bits
Block: 64 bits
Rounds: 8


• RC5 & RC6 . Answer: Symmetric Block Cipher
Key: Up to 2048 bits
Block: 32, 64, 128 bits
Rounds: Up to 255


• RCA . Answer: Symmetric Stream Cipher
Key: 1-256 bits
Rounds: Up to 255


• RC4 . Answer: Symmetric Stream Cipher
Key: 1-2048 bits (40 bit minimum)

, Rounds: 1


• RSA . Answer: Asymmetric Cipher
Key: 1024-4096 bits
Rounds: 1


- Leverages prime number characteristics
- most popular
- provides auth and encryption
- auth through digital signatures


• ECC . Answer: Asymmetric Cipher


- Leverages discrete logarithm characteristics
- provides auth and encryption
- faster than RSA (less resources)
- used in small devices (smartphone)
- auth through digital signatures


• Diffie-Hellman . Answer: Asymmetric cipher


A cryptographic algorithm that allows two users to share a secret key securely over
a public network.


• Initialization Vector (IV) . Answer: A non-secret binary vector used as the
initializing input algorithm for the encryption of a plaintext block sequence to