NCA-GENM exam dumps

NCA-GENM practice question 170 of 228

NVIDIA-Certified Associate - Generative AI Multimodal. Associate level, NVIDIA. Free question with the correct answer and a full explanation.

NCA-GENM Question 170

Select 3

You are assisting in training a multimodal generative AI model that processes both text and images. Under the supervision of a senior team member, you are tasked with optimizing the training process to improve efficiency. Which of the following actions would be most appropriate?

  1. A

    Use mixed precision training to reduce memory usage and improve computation speed.

  2. B

    Ensure the dataset is balanced by having an equal number of text and image samples.

  3. C

    Adjust the learning rate dynamically using a learning rate scheduler.

  4. D

    Replace the convolutional layers in the model with fully connected layers to simplify computations.

  5. E

    Monitor model performance using validation data during training to detect overfitting.

Show answer and explanation

Correct answers: A, C, E

Explanation

Optimizing training for a multimodal generative AI model involves techniques like mixed precision training for efficiency, using a learning rate scheduler to improve convergence, and monitoring validation performance to detect overfitting. These approaches are effective under the supervision of a senior team member. Balancing datasets or altering the model's architecture without justification is not an appropriate optimization strategy.

  • A. Correct.

    Mixed precision training reduces memory usage and speeds up computation without significantly affecting model accuracy, making it an effective optimization strategy.

  • B. Incorrect.

    Balancing the dataset by having equal numbers of text and image samples may not be necessary, as multimodal models are designed to process imbalanced datasets effectively.

  • C. Correct.

    Dynamic learning rate adjustment helps optimize the training process by allowing the model to converge faster and avoid overshooting the minima.

  • D. Incorrect.

    Replacing convolutional layers with fully connected layers is not recommended because convolutional layers are specifically designed for image processing and are computationally more efficient for such tasks.

  • E. Correct.

    Monitoring model performance using validation data helps detect overfitting and ensures that the training process is producing a generalizable model.

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