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Quantum Computing and Its Impact on Cryptography - Quiz
  • 1. What is a qubit?
A) A type of encryption algorithm.
B) A classical bit used in regular computing.
C) A software language for quantum programming.
D) A basic unit of quantum information.
  • 2. How does quantum superposition differ from classical superposition?
A) Classical superposition is more stable.
B) Quantum superposition allows qubits to be in multiple states simultaneously.
C) Classical superposition involves physical waves.
D) Quantum superposition only applies to photon states.
  • 3. Which classical public-key encryption algorithm is vulnerable to quantum attacks?
A) Diffie-Hellman
B) AES
C) RSA
D) SHA-256
  • 4. What is the theoretical advantage of quantum computers over classical ones in terms of solving certain problems?
A) Better at solving purely mathematical problems.
B) Exponential speedup for some algorithms.
C) Linear speedup for all algorithms.
D) Faster at processing large datasets.
  • 5. What is the term for a quantum computer's ability to perform many calculations simultaneously?
A) Quantum interference
B) Quantum parallelism
C) Quantum superposition
D) Quantum entanglement
  • 6. Which quantum algorithm is used for searching unsorted databases faster than classical algorithms?
A) Bernstein-Vazirani algorithm
B) Shor's algorithm
C) Grover's algorithm
D) Deutsch's algorithm
  • 7. How does quantum key distribution (QKD) ensure secure communication?
A) By using classical encryption algorithms with quantum networks.
B) By relying on hardware-based encryption solutions.
C) By leveraging the principles of quantum mechanics for key exchange.
D) By continuously changing encryption keys at a fast pace.
  • 8. What is post-quantum cryptography?
A) Cryptography used after a successful quantum encryption.
B) Cryptography designed to be secure against quantum attacks.
C) Cryptography that runs on quantum networks.
D) Cryptography that only quantum computers can decrypt.
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