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WGU C838 PRE ASSESSMENT EXAM EXAM 60 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+|| Which encryption standard uses the same key to encrypt and decrypt messages? $24.49   Add to cart

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WGU C838 PRE ASSESSMENT EXAM EXAM 60 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+|| Which encryption standard uses the same key to encrypt and decrypt messages?

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WGU C838 PRE ASSESSMENT EXAM EXAM 60 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+|| Which encryption standard uses the same key to encrypt and decrypt messages? WGU C838 PRE ASSESSMENT EXAM EXAM 60 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+|| Which encryption ...

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  • November 19, 2024
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  • 2024/2025
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  • Questions & answers
  • WGU C838 PRE ASSESSMENT
  • WGU C838 PRE ASSESSMENT
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WGU C838 PRE ASSESSMENT EXAM 2024-2025
EXAM 60 QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A+||
Which encryption standard uses the same key to encrypt and decrypt messages?

A) Asymmetric Key Encryption

B) Symmetric Key Encryption

C) Public Certificate

D) CRL - ANSWER-Symmetric Key Encryption



Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)?

A) DES

B) AES

C) SKIPJACK

D) WEP - ANSWER-SKIPJACK



What is the most commonly used format for certificates?

A) X.509 v3

B) X.509 v2

C) X.509 v1

D) DES - ANSWER-X.509 v3 *Version 3*



What is referenced to determine if a certificate has been revoked?

A) Certificate Revocation List

B) Certificate Revocation Authority

C) Certificate Approver

D) Revocation List - ANSWER-Certificate Revocation List



What needs to be installed on *end users' computers* to allow them to *trust* applications that
have been *digitally signed* by the developer?

A) Sender's public key

B) Sender's private key

, C) Receiver's public key

D) Receiver's private key - ANSWER-Sender's public key *(DEVELOPER's)*



Which type of certificate *must be certified by an authority* to verify it with other participants?

A) Public Certificate

B) Private Certificate

C) Certificate Provider

D) Revocation Authority - ANSWER-Public Certificate



What is an attribute of the Rivest Cipher 4 (RC4) algorithm?

A) It performs CRC after every iteration

B) Salting is performed.

C) It requires a unique nonce.

D) It does not require a unique nonce. - ANSWER-It requires a unique nonce. *(# used ONCE)*



Which mode generates the key stream with a nonce and incrementing value?

A) Certificate Revocation List (CRL)

B) Nonce mode

C) Rivest Cipher 4 (RC4)

D) Counter (CTR) - ANSWER-Counter (CTR)

*Generates the next keystream block* by encrypting successive *values* of a "counter"



Which mode is a stream algorithm that concatenates an incrementing value with a nonce?

A) CAT

B) Nonce

C) Counter (CTR)

D) RC4 - ANSWER-Counter (CTR)



Which key would an administrator use to encrypt data so *only the CEO can decrypt it?*

A) CEO's public key

B) CEO's private key

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