WGU D334 Pre- Assessment (NEW 2026/ 2027 Update) Introduction to Cryptography | Questions & Answers | Grade A| 100% Correct (Verified Solutions)

WGUl D334l Pre-l Assessmentl (NEWl 2026/l
2027l Update)l Introductionl tol
Cryptographyl |Questions & Answers | Grade
A| 100% Correct (Verified Solutions)

QUESTION
Whatl isl thel lengthl (inl bits)l ofl anl MD5l hashl output?
A.l 32
B.l 64
C.l 128
D.l 256

Answer:
128



QUESTION
Howl manyl charactersl arel usedl inl anl LMl hashl password?

Answer:
14



QUESTION
Al Windowsl credentiall isl identifiedl asl follows:l
user:FDA95FBABC199D22LLD3B435B51876KK:199DDFD4EF0E9CD9KMNC6FE771IL124
B8:::l Whatl isl usedl tol storel thisl password?
A.l MD5
B.l Bcrypt
C.l SHA-512
D.l NTLM

Answer:

,NTLM



QUESTION
Whatl isl al rainbowl table?
A.l Listl ofl matchingl usernamesl andl passwords
B.l Precompiledl listl ofl commonl words
C.l Listl ofl commonlyl usedl passwords
D.l Precompiledl listl ofl hashl values

Answer:
Precompiledl listl ofl hashl values



QUESTION
Whichl model encryptsl eachl groupl withl thel samel key,l leavingl eachl groupl independentl
ofl thel others?
A.l ECB
B.l CBC
C.l CFB
D.l OFB

Answer:
ECB



QUESTION
Whichl model ofl blockl encryptionl resultsl inl thel samel outcomel forl matchingl blocksl ofl al
plaintextl message?
A.l Electronicl Codel Bookl (ECB)
B.l Outputl feedbackl (OFB)
C.l Cipherl blockl chainingl (CBC)
D.l Cipherl feedbackl (CFB)

Answer:
Electronicl Codel Bookl (ECB)

, QUESTION
Howl doesl CBCl model encryptionl function?

A.l Encryptsl eachl blockl withl thel samel key,l wherel eachl blockl isl independentl ofl thel
others
B.l Usesl anl initializationl vectorl (IV)l tol encryptl thel firstl block,l thenl usesl thel resultl ofl
thel encryptionl tol encryptl thel nextl block
C.l Usesl al self-synchronizingl streaml onl thel blocks,l wherel thel initializationl vectorl (IV)l
isl encryptedl andl XORedl withl thel datal stream
D.l Convertsl froml blockl intol stream,l thenl usesl al counterl valuel andl al noncel tol encryptl
thel data

Answer:
Usesl anl initializationl vectorl (IV)l tol encryptl thel firstl block,l thenl usesl thel resultl ofl thel
encryptionl tol encryptl thel nextl block



QUESTION
Whichl encryptionl model alwaysl producesl thel samel resultl forl thel samel plaintext?

A.l CBC
B.l ECB
C.l CFB
D.l CTR

Answer:
ECB



QUESTION
Whichl informationl protectionl methodl hasl anl 80-bitl keyl andl operatesl onl 64-bitl datal
blocks?

A.l Skipjack
B.l IDEA
C.l DES
D.l Twofish