Which expression correctly completes the blank to compute the numerical gradient using the central difference method?

Which activation function should replace the blank to activate outputs of the first convolution layer in a UNet block?

Which code snippet should replace ______ to correct the dataset imbalance?

Which value should be used in the Dropout layer to drop 50% of the neurons?

What is the output of the sigmoid activation function for the input value z = 0?

Which function completes the autoencoder training?

You load a pre-trained VGG16 model with include_top=False. What is the output shape of the base model?

What is the purpose of the following code?

Which value of the scaling factor is most likely to lead to exploding gradients?

You're building a CNN to classify handwritten digits (MNIST). You extract activations from two convolutional layers:

What difference do you expect between activation_1 and activation_2?