Keras quiz

Test your Keras knowledge with a free interactive quiz — 50 questions with answers and explanations. No signup needed to play.

What is the role of the optimizer in model.compile()?

1. What is the role of the optimizer in model.compile()?
2. What is a common sign of overfitting when looking at training curves?
3. What does the validation_split argument to model.fit() do?
4. What does keras.Input(shape=(784,)) define?
5. What kind of model architecture is the Sequential API best suited for?
6. What is the difference between categorical_crossentropy and sparse_categorical_crossentropy?
7. What is the purpose of the training argument seen in some Keras layers' call signatures (e.g. Dropout, BatchNormalization)?
8. Why is softmax commonly used as the activation on a multi-class classification model's final layer?
9. What does layers.Embedding do?
10. What does the Dense layer represent?
11. What happens when you call model(x, training=False) directly instead of using model.predict(x)?
12. What is Keras?

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