Exam (elaborations)
WGU C839- TEST 2024 QUESTIONS AND ANSWERS
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WGU C839- TEST 2024 QUESTIONS AND ANSWERS
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WGU C839- TESTWhich 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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