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D 334 / D334 Pre-Assessment (Latest Update 2026 / 2027) Introduction to Cryptography | Study Guide Questions & Answers | 100% Correct | Grade A - WGU
Question:
Windows credential format
Answer:
A Windows credential is identified as follows: user:hash:hash::.
Question:
Rainbow table
Answer:
A precompiled list of hash values.
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Question:
ECB mode
Answer:
Encrypts each group with the same key, leaving each group independent.
Question:
Electronic Code Book (ECB)
Answer:
Results in the same outcome for matching plaintext blocks.
Question:
CBC mode encryption
Answer:
Uses an initialization vector (IV) to encrypt the first block, then uses the result to encrypt the next block.
Question:
Encryption mode
Answer:
Always produces the same result for the same plaintext. 2 / 3
Question:
Skipjack
Answer:
An information protection method that has an 80-bit key and operates on 64- bit data blocks.
Question:
AES with a 192-bit key
Answer:
Uses 12 transformation rounds.
Question:
AES with a 128-bit key
Answer:
Uses 10 transformation rounds.
Question:
NIST encryption algorithm
Answer:
AES is designated for encryption of electronic information.
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