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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 classical bit used in regular computing.
C) A type of encryption algorithm.
D) A software language for quantum programming.
  • 2. How does quantum superposition differ from classical superposition?
A) Classical superposition involves physical waves.
B) Quantum superposition only applies to photon states.
C) Quantum superposition allows qubits to be in multiple states simultaneously.
D) Classical superposition is more stable.
  • 3. Which classical public-key encryption algorithm is vulnerable to quantum attacks?
A) RSA
B) AES
C) SHA-256
D) Diffie-Hellman
  • 4. What is post-quantum cryptography?
A) Cryptography used after a successful quantum encryption.
B) Cryptography that runs on quantum networks.
C) Cryptography that only quantum computers can decrypt.
D) Cryptography designed to be secure against quantum attacks.
  • 5. What is the theoretical advantage of quantum computers over classical ones in terms of solving certain problems?
A) Linear speedup for all algorithms.
B) Exponential speedup for some algorithms.
C) Faster at processing large datasets.
D) Better at solving purely mathematical problems.
  • 6. Which quantum algorithm is used for searching unsorted databases faster than classical algorithms?
A) Grover's algorithm
B) Deutsch'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 entanglement
B) Quantum interference
C) Quantum superposition
D) Quantum parallelism
  • 8. 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 relying on hardware-based encryption solutions.
D) By using classical encryption algorithms with quantum networks.
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