Selected MCQ

Current Question
What technique helps mitigate overfitting by adding a penalty on large weights?
  • A. Regularization (like L2)
  • B. Data augmentation
  • C. Increasing learning rate
  • D. Batch normalization
Correct Answer: A
Explanation:
Regularization adds a cost for large weights to prevent overfitting.
Related Question 1
What is a major challenge in large-scale quantum computing today?
  • A. Lack of electricity
  • B. Qubit decoherence and error rates
  • C. Too much classical memory
  • D. No known algorithms
Correct Answer: B
Explanation:
Keeping qubits coherent and reducing errors are key challenges in building large quantum computers.
Related Question 2
Which technology helps secure communications using quantum mechanics?
  • A. Quantum key distribution (QKD)
  • B. Standard VPN
  • C. Hashing
  • D. WPA2
Correct Answer: A
Explanation:
QKD uses quantum particles to securely share encryption keys, with eavesdropping detectable.
Related Question 3
What is the main goal of 'dimensionality reduction' techniques like PCA?
  • A. Increase the number of features
  • B. Decrease model accuracy
  • C. Remove irrelevant or correlated features
  • D. Encrypt data
Correct Answer: C
Explanation:
Dimensionality reduction techniques reduce feature count by eliminating redundancy or irrelevance.
Related Question 4
Which algorithm allows quantum computers to factor large numbers efficiently, threatening RSA encryption?
  • A. Shor's algorithm
  • B. Dijkstra's algorithm
  • C. FFT algorithm
  • D. Quicksort
Correct Answer: A
Explanation:
Shor's algorithm can factor integers in polynomial time, which could break RSA keys.
Related Question 5
Which of these is NOT a common technique for securing wireless networks?
  • A. WPA3 encryption
  • B. SSID broadcast
  • C. MAC address filtering
  • D. Disabling SSID broadcast
Correct Answer: B
Explanation:
Broadcasting the SSID is not a security measure; enabling WPA3 or hiding the SSID (though weak) are security techniques.