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D334 / D 334 Pre-Assessment (Latest Update 2026 / 2027) 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
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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
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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
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