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Exam (elaborations)

WGU C839- TEST 2024 QUESTIONS AND ANSWERS

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WGU C839- TEST 2024 QUESTIONS AND ANSWERS

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  • September 1, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • WGU C839-
  • WGU C839-
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Teacher101
WGU C839- TEST


Which term from the list below represents the total number of possible values of
keys in a cryptographic algorithm or other security measure? - ANSWERS-- Key
space



What term from the list below best describes a number whose factors are 1 and
itself? - ANSWERS-- Prime



From the list below, what term describes a mechanism used to create number
streams with random properties? Examples include Lagged Fibonacci and
Mersenne Twister. - ANSWERS-- Pseudo-random number generator



Ticket - ANSWERS-Used to authenticate. Contains the identity of the client, the
session key, timestamp, and checksum



Ticket Granting Server (TGS) - ANSWERS-Distributes service tickets to clients with
a valid TGT, guaranteeing the authenticity of the identity for obtaining the
requested resource on the application servers.



Key Distribution Center (KDC) - ANSWERS-Server that provides the initial ticket

, Authentication Server (AS) - ANSWERS-Server that authorizes the principal and
connects them to the ticket granting server



WEP - ANSWERS-Uses RC4, employs a 40-bit key with a 24-bit IV



WPA - ANSWERS-Replaces RC4 with TKIP



WPA-2 - ANSWERS-802.11i, uses AES with CCMP



WPA-2 Enterprise - ANSWERS-WPA-802.1x, requires RADUIS, employs EAP for
authentication



What term below best describes an attack in which the attacker obtains
ciphertext corresponding to a set of plaintexts to use in an attempt to derive the
key used? - ANSWERS-- Chosen Plaintext



What are the four general steps involved with AES? - ANSWERS-- Rounds

- Initial Round

- Final Round

- Key Expansion



To be suitable for cryptography, what German Federal Office for Information
Security (BSI) criteria level (s) should a PRNG meet? - ANSWERS-- K3

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