Cryptography MCQ

Below Cryptography quiz are Multiple Choice Questions (MCQs) type Quiz. These Cryptography MCQ Questions helps you to refresh your Cryptography, you can see the correct option by clicking on it. .
  • 1. Non-repudiation

    • Ensure message remains secret during transmission between parties
    • Ensure message is not altered while in transit between communicating partners
    • Verifies sender is who she says she is
    • Proves that nobody but on sender could have sent a particular message
  • 2. The relationship between a character in the plaintext to a character is

    • many-to-one relationship
    • one-to-many relationship
    • many-to-many relationship
    • one-to-many relationship
  • 3. When a user needs to provide message integrity, what options may be best?

    • Send a digital signature of the message to the recipient
    • Encrypt the message with a symmetric algorithm and send it
    • Encrypt the message with a private key so the recipient can decrypt withthe corresponding public key
    • Create a checksum, append it to the message, encrypt the message, thensend to recipient.
  • 4. In Cryptography, the original message, before being transformed, is called

    • Simple Text
    • Plain Text
    • Cipher Text
    • Filled Text
  • 5. Encrypt the word alphabet using a Caesar cipher with a shift of 3

    • DVSDULQV
    • DOOFOHDU
    • DOSKDEHW
    • DORQHBHV
  • 6. An encryption algorithm transforms plain text into:

    • Cipher text
    • Simple Text
    • Empty Text
    • Plain Text
  • 7. In Rotation Cipher, keyless rotation the number of rotations is

    • Jammed
    • Idle
    • Rotating
    • Fixed
  • 8. What is the term used to describe the science of making and breaking secret codes?

    • impersonation
    • factorization
    • jamming
    • cryptology
    • spoofing
  • 9. DES follows

    • Hash Algorithm
    • Caesars Cipher
    • Feistel Cipher Structure
    • SP Networks