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WGU C839 FLASH CARDS FOR OA 2024 QUESTIONS AND ANSWERS $14.49   Add to cart

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WGU C839 FLASH CARDS FOR OA 2024 QUESTIONS AND ANSWERS

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WGU C839 FLASH CARDS FOR OA 2024 QUESTIONS AND ANSWERS

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  • September 1, 2024
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WGU C839 FLASH CARDS FOR OA

which two symmetric block encryption modes turn block ciphers into stream
ciphers? - ANSWERS-OFB - CTR



Ciphertext Only Attack - ANSWERS-an attack in which the attacker only has access
to the ciphertext of a message?



Co-Prime - ANSWERS-a number that only shares the number 1 as a common
factor with another?



Differential cryptanalysis - ANSWERS-involves the examination of differences in
an input and how that affects the resultant difference in output



Mono-Alphabetic Ciphers - ANSWERS-Atbash - Scytale - ROT-13



Playfair - ANSWERS-Cipher makes use of a 5x5 table containing a keyword or key
phrase and encrypts pairs of letters or digraphs



Cryptosystem - ANSWERS-represents the entire cryptographic operation i.e. the
algorithm, key, and key management functions



Prime - ANSWERS-number whose factors are 1 and itself?

, Pseudo-random number generator - ANSWERS-a mechanism used to create
number streams with random properties. Examples include Lagged Fibonacci and
Mersenne Twister



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



Kerberos TGS - ANSWERS-Issues tickets



Kerberos KDC - ANSWERS-Server that provides the initial ticket



Kerberos TGT - ANSWERS-The ticket that is granted during the authentication
process



Kerberos AS - ANSWERS-Server that authorizes the principal and connects them
to the ticket granting server




DES - ANSWERS-64 Bit Block - 56 Bit Key - 16 Rounds



AES - ANSWERS-128 Bit Block - 128, 192, 256 Bit Key - 10, 12, 14 Rounds

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