Back Propagation Through Time Quiz
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Questions and Answers

What is the main limitation of the Back Propagation through Time (BPTT) training algorithm?

  • Overfitting issue
  • Exploding gradient problem
  • Vanishing gradient problem (correct)
  • Underfitting issue

What is the consequence of back propagating too far in the Back Propagation through Time (BPTT) algorithm?

  • Network convergence
  • Exploding gradient problem
  • Better weight optimization
  • Vanishing gradient problem (correct)

Which problem arises if the number of time steps in Back Propagation through Time (BPTT) is greater than 10?

  • Exploding gradient problem
  • Stable network performance
  • Vanishing gradient problem (correct)
  • Faster training convergence

What technique is commonly used to address the vanishing gradient problem in sequential models like RNNs?

<p>Long Short-Term Memory (LSTM) cells (D)</p> Signup and view all the answers

In the context of sequential models, what is the 'exploding gradient problem' referring to?

<p>Uncontrollably large gradient growth (A)</p> Signup and view all the answers

What method can be used to prevent the exploding gradient problem in deep learning models?

<p>Gradient clipping (D)</p> Signup and view all the answers

Which type of neural network model is known to suffer from the vanishing gradient problem?

<p>RNN (C)</p> Signup and view all the answers

What is the main purpose of an output gate in Long Short-Term Memory (LSTM) cells?

<p>Selective write (D)</p> Signup and view all the answers

What issue arises when the gradient becomes too small, making it hard for the model to learn long-range dependencies?

<p>Vanishing gradient problem (B)</p> Signup and view all the answers

Which neural network component is responsible for dealing with longer sequences and selective information processing?

<p>Output gate (A)</p> Signup and view all the answers

How does a Long Short-Term Memory (LSTM) cell differ from a traditional Recurrent Neural Network (RNN) cell?

<p>LSTMs have an output gate for selective write operations. (C)</p> Signup and view all the answers

Which problem is commonly associated with training deep neural networks, where gradients become too small to update the weights effectively?

<p>Vanishing gradient problem (A)</p> Signup and view all the answers

What is the main issue addressed by the Back Propagation through Time (BPTT) algorithm?

<p>Vanishing gradient problem (B)</p> Signup and view all the answers

What type of cells are specifically designed to tackle the vanishing gradient problem in RNNs by maintaining long-term dependencies?

<p>LSTM cells (C)</p> Signup and view all the answers

Which issue arises when the gradients in a neural network become too large, causing numerical instability during training?

<p>Exploding gradient problem (B)</p> Signup and view all the answers

In the context of Sequential Models, what problem can occur when the weights in a neural network grow at an exponential rate during training?

<p>Exploding gradient problem (D)</p> Signup and view all the answers

What method is used to convert input data into numerical form to be processed by neural networks in Sequential Models?

<p><strong>1 hot encoding</strong> (D)</p> Signup and view all the answers
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