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