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