WGU C839 Introduction to Cryptography (C839)
Western Governors University
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C839 - Pre-Assessment: Introduction to Cryptography. Exam Questions and answers, rated A+
- Exam (elaborations) • 8 pages • 2023
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C839 - Pre-Assessment: Introduction to Cryptography. Exam Questions and answers, rated A+ 
 
 
Which encryption standard uses the same key to encrypt and decrypt messages? - Symmetric Key Encryption 
 
Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? - SKIPJACK 
 
What is the most commonly used format for certificates? - X.509 v3 *Version 3* 
 
What is referenced to determine if a certificate has been revoked? - Certificate Revocation List *(CRL)* 
 
What ...
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Introduction to Cryptography - C839, Exam Questions and answers, rated A+
- Exam (elaborations) • 19 pages • 2023
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Introduction to Cryptography - C839, Exam Questions and answers, rated A+ 
 
 
Cryptography - -science of altering communication so that it cannot be understood without having the key 
 
Mono-Alphabet Substitution - -algorithms simply substitute one character of cipher text for each character of plain text. 
 
Caesar Cipher - -choose a number by which to shift each letter of a text. 
 
ATBASH Cipher - -Hebrew code substitutes first letter of alphabet for last, second letter for the second-to-the...
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WGU C839 Introduction to Cryptography: Exam Practice Questions With Correct Answers | Updated 2023-2024 Graded A+
- Exam (elaborations) • 14 pages • 2023
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Messages are encrypted using different secrets, and the analyst compares the messages to 
figure out how the algorithm works. - ANSWER Which technique does related-key 
cryptanalysis use to decipher a message? 
Steganography - ANSWER Which type of cryptography is being used when the author 
uses secret inks? 
Payload - ANSWER What is the hidden message in a steganographic communication? 
By substituting each letter for the letter from the opposite end of the alphabet (i.e. A 
becomes Z, B become...
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WGU C839 Introduction to Cryptography: Exam Questions With Answers 2023-2024 Graded A+ | 100% Correct
- Exam (elaborations) • 14 pages • 2023
- Available in package deal
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- $19.49
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WGU C839 Introduction to Cryptography: Exam Questions With Answers 2023-2024 Graded A+ | 100% Correct. What is the outcome when using the binary AND function on 11011 
and 10100? 
Counter (CTR) - ANSWER Which mode does the Fortuna algorithm use to generate 
random numbers? 
Same state used more than once - ANSWER What is a potential weakness of a 
pseudo-random number generator (PRNG)? 
Recipient's private key to decrypt and sender's public key to verify the signature - ANSWER 
Which key combi...
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