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1. The cryptography classified into two types (a. Symmetric and Asymmetric. b. Block ciphers and stream cipher c. enciphers and decipher d. both and b.) 2. Which of the following aims to prevent unauthorized reading of information? (a. Confidentiality. b. Integrity. c. non-repudiation. d. Availability.) 3. Caesar cipher is an example of --------- (a. Substitution cipher b. Transposition cipher c. Substitution and transposition d. None of them) 4. For Caesar cipher, if the plaintext is "smart" and key= 7 cipher text is: (a- ZKRSY b- ZTHYA c- VPDUW d- VMAYZ) 5. Key used in the symmetric cryptography is: (a. public key b. Private key c. Permanent key d. Session key) 6. Each alphabetic character can be mapped to one of many possible alphabetic characters: (a. Transposition b. Monoalphabetic substitution c. Polyalphabetic substitution d. None of them)

1. The cryptography classified into two types (a. Symmetric and Asymmetric. b. Block ciphers and stream cipher c. enciphers and decipher d. both and b.) 2. Which of the following aims to prevent unauthorized reading of information? (a. Confidentiality. b. Integrity. c. non-repudiation. d. Availability.) 3. Caesar cipher is an example of --------- (a. Substitution cipher b. Transposition cipher c. Substitution and transposition d. None of them) 4. For Caesar cipher, if the plaintext is "smart" and key= 7 cipher text is: (a- ZKRSY b- ZTHYA c- VPDUW d- VMAYZ) 5. Key used in the symmetric cryptography is: (a. public key b. Private key c. Permanent key d. Session key) 6. Each alphabetic character can be mapped to one of many possible alphabetic characters: (a. Transposition b. Monoalphabetic substitution c. Polyalphabetic substitution d. None of them)

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1. The cryptography classified into two types (a. Symmetric and Asymmetric. b. Block ciphers and stream cipher c. enciphers and decipher d. both and b.) 2. Which of the following aims to prevent unauthorized reading of information? (a. Confidentiality. b. Integrity. c. non-repudiation. d. Availability.) 3. Caesar cipher is an example of - (a. Substitution cipher b. Transposition cipher c. Substitution and transposition d. None of them) 4. For Caesar cipher, if the plaintext is "smart" and key= 7 cipher text is: (a- ZKRSY b-ZTHYA c- VPDUW d- VMAYZ) 5. Key used in the symmetric cryptography is: (a. pub key b. Private key c. Permanent key d. Session key) 6. Each alphabetic character can be mapped to one of many possible alphabetic characters: (a. Transposition b. Monoalphabetic substitution c. Polyalphabetic substitution d. None of them)
Transcribed Image Text:1. The cryptography classified into two types (a. Symmetric and Asymmetric. b. Block ciphers and stream cipher c. enciphers and decipher d. both and b.) 2. Which of the following aims to prevent unauthorized reading of information? (a. Confidentiality. b. Integrity. c. non-repudiation. d. Availability.) 3. Caesar cipher is an example of - (a. Substitution cipher b. Transposition cipher c. Substitution and transposition d. None of them) 4. For Caesar cipher, if the plaintext is "smart" and key= 7 cipher text is: (a- ZKRSY b-ZTHYA c- VPDUW d- VMAYZ) 5. Key used in the symmetric cryptography is: (a. pub key b. Private key c. Permanent key d. Session key) 6. Each alphabetic character can be mapped to one of many possible alphabetic characters: (a. Transposition b. Monoalphabetic substitution c. Polyalphabetic substitution d. None of them)
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