Correct Answer : trainOnDataset()
Explanation : The trainOnDataset() method can be used to train a neural network using backpropagation in PyBrain.
Correct Answer : _backwardImplementation()
Explanation : The _backwardImplementation() function computes the derivative of the output with regard to the input.
Correct Answer : 2
Explanation : The _forwardImplementation() function accepts two parameters, inbuf, and outbuf.
Correct Answer : ConvolutionalNetwork()
Explanation : The ConvolutionalNetwork() class can be used to create a Convolutional Neural Network in PyBrain.