Selected MCQ

Current Question
What is the purpose of a 'validation set' during model training?
  • A. To train the model parameters
  • B. To evaluate the final model performance
  • C. To tune hyperparameters and avoid overfitting
  • D. To serve as training data
Correct Answer: C
Explanation:
The validation set is used to tune hyperparameters and detect overfitting during training.
Related Question 1
Which term describes training a model on multiple GPUs or servers simultaneously?
  • A. Distributed training
  • B. Batch processing
  • C. Layer-wise training
  • D. Fusion
Correct Answer: A
Explanation:
Distributed training spreads the training process across multiple devices or machines.
Related Question 2
What is the purpose of an epoch in machine learning training?
  • A. A type of activation function
  • B. A full pass through the entire training dataset
  • C. A regularization technique
  • D. A specific type of loss function
Correct Answer: B
Explanation:
One epoch means the learning algorithm has processed the entire training dataset once.
Related Question 3
Which concept involves using sensor data to create a 3D model of a city or facility?
  • A. Digital wallet
  • B. Digital twin
  • C. Virtual machine
  • D. Quantum replica
Correct Answer: B
Explanation:
Digital twins can model entire environments or systems in real-time using sensor data.
Related Question 4
What is the main purpose of penetration testing?
  • A. Certify devices
  • B. Find and exploit vulnerabilities in a system
  • C. Increase network speed
  • D. Encrypt data
Correct Answer: B
Explanation:
Penetration testing involves ethically attacking a system to find weaknesses.
Related Question 5
What is the purpose of a VPN?
  • A. To improve the Wi-Fi signal
  • B. To securely encrypt and route internet traffic
  • C. To store backup data online
  • D. To speed up downloads
Correct Answer: B
Explanation:
A VPN encrypts internet traffic and routes it through a secure server, protecting privacy.