WGU C839 Practice
Western Governors University
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WGU C839-Practice test Questions and Answers Already Passed
- Exam (elaborations) • 20 pages • 2022
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What term from the list below best describes a data concealment for covert communication that 
makes use of LSB replacement? 
-Crypanalysis 
-Stegnalysis 
-Steganography 
-Whitening Steganography 
Which block cipher below uses a block size of 128 bits and key sizes up to 256 bits? 
-DES 
-Blowfish 
-TwoFish 
-Tiger TwoFish 
Symmetric encryptionm is expressed mathematically as : 
- C=E(k,p) 
- P= E(k,c) 
- Me % n 
- y^2 = x^3 + Ax +B C = E (k,p) 
Name all the Hashing algorithms - Tiger 
- SHA256 ...
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