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

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


Question:
Which information protection method has an 80-bit key and operates on 64-
bit data blocks?
Answer:
Skipjack




Question:
How many transformation rounds does AES use with a 192-bit key?
Answer:
12

,Question:
How many transformation rounds does AES use with a 128-bit key?
Answer:
10




Question:
Which encryption algorithm did the National Institute of Standards and
Technology (NIST) designate as a specification for the encryption of
electronic information?
Answer:
Advanced Encryption Standard (AES)




Question:
Which attack tries every combination of letters, numbers, and special
characters?
Answer:
Brute-force

, Question:
How does a dictionary attack break a cipher?
Answer:
Takes a list of the most common words and tries each entry




Question:
A security analyst decrypted a data set with the same key that originally
encrypted the data set.


Which cryptographic operation did the analyst use?
Answer:
Symmetric




Question:
What should be used when large amounts of data need to be encrypted and
decrypted for secure storage based on groupings of 128, 192, or 256 bits?
Answer:
Symmetric block