Free USAII CAIE Exam Questions

Become USAII Certified with updated CAIE exam questions and correct answers

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Total 450 Questions | Updated On: Dec 19, 2024

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Question 1

In Keras, what does the tf.keras.Model.fit() method do during training?

A : It trains the model on the dataset

B : It compiles the model

C : It evaluates the model’s performance

D : It saves the model to a file

Answer: A

Question 2

In Multi-Armed Bandit problems, which strategy is known for being effective in scenarios where the rewards are subject to sudden changes or shifts?

A : Thompson Sampling with a low variance prior

B : Sliding Window with a short time frame

C : UCB1 with frequent updates

D : Epsilon-Greedy with a high epsilon

Answer: B

Question 3

Which Monte Carlo method is particularly useful when dealing with episodic tasks where the environment is non-stationary?

A : Every-Visit MC

B : On-Policy MC

C : Off-Policy MC

D : First-Visit MC

Answer: C

Question 4

What is a common strategy to handle a model that is suffering from underfitting?

A : Increase model complexity by adding more layers or neurons

B : Simplify the model architecture

C : Apply data augmentation

D : Reduce the training dataset size

Answer: A

Question 5

In a multi-class classification problem, how can you compute the overall accuracy from a confusion matrix?

A : Sum the true positives and true negatives, and divide by the total number of samples

B : Average the recall across all classes

C : Average the precision across all classes

D : Compute the F1 score for each class and average them

Answer: A

Page: 1 / 90

Total 450 Questions | Updated On: Dec 19, 2024

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