D334 / D 334 Pre-Assessment (Latest Update 2026 / 2027) Introduction to Cryptography | Questions and Answers | Grade A | 100% Correct (Verified Answers) - WGU

D334 / D 334 Pre-Assessment (Latest
Update ) Introduction to
Cryptography | Questions and
Answers | Grade A | 100% Correct
(Verified Answers) - WGU


Question:
What mechanism mitigates a copy-and-paste attack when using AES
Answer:
OFB loop




Question:
The most simplistic encryption, in which each plaintext block is encrypted
with the same key
Answer:
ECB/Electronic Code Book

, Question:
Encryption technique where each plaintext block is XORed with the previous
cipher text block
Answer:
CBC/Cipher Block Chaining




Question:
-Converts the block cipher to a synchronous stream output
-Current block takes output from the XOR stage
Answer:
CFB/Cipher Feedback




Question:
-Converts the block cipher to a synchronous stream output
-Current block takes output from the cipher stage
Answer:
OFB/Output Feedback