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WGU C839 Objective Assessment Study Review (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) £8.97   Add to cart

Exam (elaborations)

WGU C839 Objective Assessment Study Review (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers)

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  • WGU C839
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  • WGU C839

WGU C839 Objective Assessment Study Review (Latest 2024/ 2025 Update) Introduction to Cryptography| Qs & As| Grade A| 100% Correct (Verified Answers) Q: A _____ is a function that takes a variable-size input m and returns a fixed-size string. A Symmetric cipher B Hash C Asymmetric cipher ...

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  • October 13, 2024
  • 77
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • WGU C839
  • WGU C839
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WGUIC839IObjectiveIAssessmentIStudyI
ReviewI(LatestI2024/I2025IUpdate)I
IntroductionItoICryptography|IQsI&IAs|I
GradeIA|I100%ICorrectI(VerifiedIAnswers)

Q:IAI_____IisIaIfunctionIthatItakesIaIvariable-sizeIinputImIandIreturnsIaIfixed-sizeIstring.
AISymmetricIcipher
BIHash
CIAsymmetricIcipher
DIFeistel


Answer:
B




Q:IWhichIofItheIfollowingIisIaIcryptographicIprotocolIthatIallowsItwoIpartiesItoIestablishIaI
sharedIkeyIoverIanIinsecureIchannel?

AIEllipticICurve
BIRSA
CIMD5
DIDiffie-Hellman


Answer:
D




Q:IAI_________IisIaIdigitalIrepresentationIofIinformationIthatIidentifiesIyouIasIaIrelevantIen
tityIbyIaItrustedIthirdIparty?

AIDigitalISignature
BIHash

,CIOwnershipIstamp
DIDigest


Answer:
A




Q:IWhatIisItheIstandardIusedIbyImostIdigitalIcertificates?
AIX.509
BICRL
CIRFCI2298
DIOCSP


Answer:
A




Q:IDESIusesIkeysIofIwhatIsize?
AI56Ibits
BI192Ibits
CI128Ibits
DI64Ibits


Answer:
A




Q:IWhichIofItheIfollowingIisINOTIaIkeyIsizeIusedIbyIAES?
AI512Ibits
BI128Ibits
CI192Ibits
DI256Ibits

,Answer:
A




Q:IWhichIofItheIfollowingIwasIaImultiIalphabetIcipherIwidelyIusedIfromItheI16thIcenturyI(1
553)ItoItheIearlyI20thIcenturyI(1900s)?

AIVigenere
BICaesar
CIAtbash
DIScytale


Answer:
A




Q:IWhichIofItheIfollowingIisIaIsubstitutionIcipherIusedIbyIancientIHebrewIscholars?
AICaesar
BIVigenere
CIScytale
DIAtbash


Answer:
D




Q:IShiftingIeachIletterIinItheIalphabetIaIfixedInumberIofIspacesItoItheIrightIorIleftIisIanIexa
mpleIofIwhat?

AIBitIshifting
BIConfusion
CIMultiIsubstitution
DISingleIsubstitution

, Answer:
D




Q:IWhichIofItheIfollowingImostIaccuratelyIdefinesIencryption?
AIchangingIaImessageIsoIitIcanIonlyIbeIeasilyIreadIbyItheIintendedIrecipient

BIMakingIbinaryIchangesItoIaImessageItoIconcealIit

CIchangingIaImessageIusingIcomplexImathematics

DIApplyingIkeysItoIplainItext


Answer:
A




Q:IIfIyouIuseIsubstitutionIalone,IwhatIweaknessIisIpresentIinItheIresultingIcipherItext?
AIItIisItheIsameIlengthIasItheIoriginalItext
BIItIisIeasilyIbrokenIwithImodernIcomputers.
CIItIisItooIsimple.
DIBecauseIitImaintainsIletterIandIwordIfrequency.


Answer:
D




Q:I_____IusesIatIleastItwoIdifferentIshifts,IchangingItheIshiftIwithIdifferentIlettersIinItheIplai
nItext.

AIAtbash
BImulti-alphabetIencryption
CIScytale
DICaesarIcipher

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