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WGU C839 Objective Assessment Study (New 2024/ 2025 Update) Introduction to Cryptography| Review with Qs & As| Grade A| 100% Correct (Verified Answers) $11.49   Add to cart

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

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  • October 17, 2024
  • 84
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • c839
  • WGU C839
  • WGU C839
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ace_it
WGUIC839IObjectiveIAssessmentIStudyI
(NewI2024/I2025IUpdate)IIntroductionItoI
Cryptography|IReviewIwithIQsI&IAs|IGrade
IA|I100%ICorrectI(VerifiedIAnswers)

QUESTION
WhatIisIaITGS?

AITheIserverIthatIgrantsIKerberosItickets
BIprotocolIforIencryption
CIprotocolIforIkeyIexchange
DITheIserverIthatIescrowsIkeys


Answer:
A




QUESTION
WhatIisIKerchoff'sIprinciple?

AIAIminimumIkeyIsizeIofI256IbitsIisInecessaryIforIsecurity.
BIBothIalgorithmIandIkeyIshouldIbeIkeptIsecret.
CIAIminimumIofI15IroundsIisIneededIforIaIFeistelIcipherItoIbeIsecure.
DIOnlyItheIkeyIneedsItoIbeIsecret,InotItheIactualIalgorithm.


Answer:
D




QUESTION
WhichIofItheIfollowingIisIaIfundamentalIprincipleIofIcryptographyIthatIholdsIthatItheIalgorith
mIcanIbeIpublicallyIdisclosedIwithoutIdamagingIsecurity?

,AIBabbage'sIprinciple
BIKerkchoff'sIprinciple
CIVigenere'sIprinciple
DIShamir'sIprinciple


Answer:
B




QUESTION
AIprocessIthatIputsIaImessageIintoItheIleastIsignificantIbitsIofIaIbinaryIfileIisIcalledIwhat?

AISymmetricIcryptography
BIMasking
CISteganography
DIAsymmetricIcryptography


Answer:
C




QUESTION
IfIyouIwishedItoIseeIaIlistIofIrevokedIcertificatesIfromIaICA,IwhereIwouldIyouIlook?

AICRL
BICA
CIRFC
DIRA


Answer:
A




QUESTION
WhichIofItheIfollowingIisIgenerallyItrueIaboutIblockIciphers?

,AISecretIblockIciphersIshouldIbeItrusted.
BIBlockIciphersIpermuteItheIbitsIofItheIinputIplaintext.
CITheIplaintextIandIciphertextIareIalwaysItheIsameIsize.
DIAIblockIcipherIisIanIencryptionIfunctionIforIvariable-sizeIblocksIofIdata.


Answer:
C




QUESTION
WhatIdoesItheIOCSPIprotocolIprovide?

AIencryption
BIVPNIconnectivity
CIhashing
DIaIrealItimeIprotocolIforIverifyingIcertificates


Answer:
D




QUESTION
U.S.IencryptionIstandardIthatIreplacedIDES.IBlockIsymmetricIcipherIthatIusesI128-
bitIblockIsizesIandIvariousIkeyIlengthsI(128,I192,I256).


Answer:
AES




QUESTION
DES,I3DES,ISHA,IAESI(someIAESIimplementationsIareITypeII)


Answer:
ClassI3IAlgorithms

, QUESTION
EncryptionImethodIwhereItheIsenderIandIreceiverIuseIanIinstanceIofItheIsameIkeyIforIencrypti
onIandIdecryptionIpurposes.


Answer:
Symmetric




QUESTION
BlockIsymmetricIalgorithmIchosenIbyINISTIasIanIencryptionIstandardIinI1976.IItIusesIaI56-
bitItrueIkeyIbitIsize,I64-bitIblockIsize,IandI16IroundsIofIcomputation.


Answer:
DataIEncryptionIStandardI(DES)




QUESTION
technicalIspecificationIindicatingIhowImultimediaIdataIandIe-
mailIbinaryIattachmentsIareItoIbeItransferred.


Answer:
MultipurposeIInternetIMailIExtensionsI(MIME)




QUESTION
ValidIdataItransmissionIisImaliciouslyIorIfraudulentlyIrepeatedItoIallowIanIentityIgainIunautho
rizedIaccess.


Answer:
ReplayIAttack

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