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1. Hiding messages inside another medium is referred to as ________. A. cryptography B. cryptology C. steganalysis D. steganography 2. In steganography, the ________ is

1. Hiding messages inside another medium is referred to as ________. A. cryptography B. cryptology C. steganalysis D. steganography 2. In steganography, the ________ is the data to be covertly communicated. In other words, it is the message you want to hide. A. payload B. carrier C. signal D. channel 3. In steganography, the ________ is the stream or file into which the data is hidden. A. payload B. carrier C. signal D. channel 4. The most common way steganography is accomplished is via ________. A. MSB B. ASB C. RSB D. LSB 5. Which of the following is an asymmetric cryptography algorithm invented by three mathematicians in the 1970s? A. PGP B. DES C. DSA D. RSA 6. Which of the following encryption algorithms uses three key ciphers in a block system and uses the Rijndael algorithm? A. DES B. RSA C. AES D. NS 7. What is the key length used for DES? A. 56 B. 64 C. 128 D. 256 8. Which of the following is an example of a multialphabet cipher? A. Caesar B. Vigenre C. Atbash D. ROT13 9. How many rounds does DES have? A. 64 B. 56 C. 16 D. 4

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