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