Drestein

What is the primary goal of cryptography?

• Data compression

• Data security

• Data transmission

• Data Facility

Which type of cryptography uses the same key for both encryption and decryption?

• Symmetric cryptography

• Asymmetric cryptography

• Hybrid cryptography

• One-time pad cryptography

What is the main objective of steganography?

• 5. To digitally sign a message

  
  

• To hide the existence of a message

• To encrypt a message

• To compress a message

Which of the following is not a cryptographic algorithm?

• CHZ

• Diffie-Helman

• RSA

• RC6

Which type of attack involves an attacker capturing encrypted data and attempting to decrypt it by trying all possible keys?

• Cryptanalysis

• Man-in-the-middle attack

• Brute force attack
  

• Dictionary attack

What is the most secure encryption method used currently?

• DES

• AES 256

• SHA

• MD5

What will be the decrypted message of the cipher text which is encrypted using ceasar cipher?

Encrypted text: "HUHQ"

(Shift Value = -6+9)

What is the time complexity of the famous algorithm of the Tower of Hanoi problem.

• O(N^2)

• O(2^N)

• O(N log N)

• O(X²)

What does encryption do to data?

• Makes it larger in size

• Makes it more visible to attackers

• Converts it into a different format to protect it

• Speeds up data transmission

Which of the following statements is correct regarding the object-oriented programming concept in Python?

• Objects are real-world entities while classes are not real

• Classes are real-world entities while objects are not real

• Both objects and classes are real-world entities

• All of the above