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Information Security and Cryptography

Quiz covering basic security principles, attacks, and fundamental cryptography concepts including ciphers, encryption, and security mechanisms

7 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following principles ensures that only the sender and the intended recipient(s) has/have access to the content of the message?

  1. Confidentiality
  2. Authentication
  3. Integrity
  4. Access control
  5. None of these
Question 2 Multiple Choice (Single Answer)

Which of the following are the basic security principles related to a message?
i. Integrity
ii. Confidentiality
iii. Authentication
iv. Non-repudiation
v. Availability
vi. Fabrication

  1. i, ii and iii
  2. ii, iii and iv
  3. ii, iii, iv and v
  4. i, ii, iii and iv
  5. all are principles of security
Question 3 Multiple Choice (Single Answer)

A person who attempts to break a cipher text message to obtain the original plain text message is called

  1. cryptographer
  2. cryptanalyst
  3. cryptanalysis
  4. cryptography
  5. none of these
Question 4 Multiple Choice (Single Answer)

An attack on cipher text in which the attacker attempts to use all possible permutations and combinations is called

  1. Cryptanalysis
  2. Rain Fence Technique
  3. Man in Middle Attack
  4. Brute-force attack
  5. Steganography
Question 5 Multiple Choice (Single Answer)

In a certain encoding technique HELLO is replaced by JGNNQ and HELL is replaced by IFMM. Which type of substitution cipher has been used here?

  1. Polygram Substitution Cipher
  2. Caesar cipher
  3. Mono-alphabetic Cipher
  4. Homophonic Substitution Cipher
  5. None of these
Question 6 Multiple Choice (Single Answer)

Match the following tables
Table A Table B
1. Interception A. Authentication
2. Fabrication B. Integrity
3. Modification C. Availability
4. Interruption D. Confidentiality
  1. 1 - A, 2 - D, 3 - B, 4 - C
  2. 1 - D, 2 - A, 3 - B, 4 - C
  3. 1 - A, 2 - B, 3 - C, 4 - D
  4. 1 - D, 2 - C, 3 - B, 4 - A
  5. 1 - D, 2 - A, 3 - C, 4 - B
Question 7 Multiple Choice (Single Answer)

Which of the following principles of security has been used in this case?

Let us assume a person A wants to send a check of $100 to B. A writes a check of $100 and deposited in B's account, the money is transferred from A's account to B's account, and then A refuses having sent the check. The court of law will use A's signature to disallow A to refuse the claim and settle the dispute.

  1. Confidentiality
  2. Integrity
  3. Non-repudiation
  4. Authentication
  5. None of these
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