Data Science Program Quiz 5

Data Science Quiz 5

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1. Which of the following best describes an artificial neural network (ANN)?

A rule-based system for decision-making

A model that mimics the human brain using interconnected layers of nodes

A statistical method for data clustering

A tree-based algorithm for supervised learning

2. In a deep neural network, what is the purpose of an activation function?

To introduce non-linearity into the model

To reduce the number of layers in the network

To normalize input data before training

To decrease model complexity

3. Which deep learning framework is best suited for production-level deployment?

Scikit-learn

TensorFlow

Matplotlib

Keras

4. Which type of neural network is commonly used in Natural Language Processing (NLP)?

Recurrent Neural Network (RNN)

Convolutional Neural Network (CNN)

Radial Basis Function Network (RBFN)

Self-Organizing Map (SOM)

5. Which of the following is a key advantage of PyTorch over TensorFlow?

Better support for reinforcement learning

More built-in pre-trained models

More intuitive dynamic computation graphs

Stronger production deployment capabilities

6. What is the main objective of word embedding techniques in NLP?

To transform words into numerical vectors that capture semantic meaning

To count word frequency in a document

To translate text into different languages

To remove stopwords from a text

7. Which evaluation metric is most appropriate for imbalanced sentiment analysis datasets?

Root Mean Squared Error (RMSE)

Mean Squared Error (MSE)

Accuracy

F1-score

8. Which NLP technique is used to classify text into predefined categories?

Named entity recognition

Topic modeling

Machine translation

Text classification

9. Which of the following optimizers is commonly used in deep learning for faster convergence?

Adam

Gradient Descent

Newton’s Method

K-Means

10. Which deep learning architecture is most effective for sequential text data processing?

Random Forest

Support Vector Machine (SVM)

Recurrent Neural Network (RNN)

Decision Tree

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Data Science Program Quiz 5

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