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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 basic unit of quantum information.
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) Classical superposition is more stable.
B) Quantum superposition only applies to photon states.
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) SHA-256
B) Diffie-Hellman
C) AES
D) RSA
  • 4. What is post-quantum cryptography?
A) Cryptography that runs on quantum networks.
B) Cryptography used after a successful quantum encryption.
C) Cryptography designed to be secure against quantum attacks.
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) Better at solving purely mathematical problems.
B) Exponential speedup for some algorithms.
C) Linear speedup for all algorithms.
D) Faster at processing large datasets.
  • 6. Which quantum algorithm is used for searching unsorted databases faster than classical algorithms?
A) Grover's algorithm
B) Deutsch's algorithm
C) Bernstein-Vazirani algorithm
D) Shor's 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 relying on hardware-based encryption solutions.
B) By leveraging the principles of quantum mechanics for key exchange.
C) By continuously changing encryption keys at a fast pace.
D) By using classical encryption algorithms with quantum networks.
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