100% Free CAIE Practice Exam Questions and Answers

Stay Ahead with Latest CAIE USAII Certifications Practice Test Questions 2026

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Total 450 Questions | Updated On: Sep 23, 2026

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Question 1

Which of the following techniques is most suitable for reducing the dimensionality of a dataset with a high number of correlated features?

A : K-means clustering

B : Principal Component Analysis (PCA)

C : Decision Trees

D : Linear Regression

Answer: B

Question 2

What is the main challenge associated with the variance of Policy Gradient estimates?

A : It can lead to slow convergence and unstable learning

B : It complicates the implementation of target networks

C : It requires large experience replay buffers

D : It makes the reward signals less informative

Answer: A

Question 3

How does the Dueling DQN architecture enhance the learning of value functions?

A : By incorporating a second experience replay buffer for improved stability

B : By combining Q-values with advantage values to better separate value and advantage estimates

C : By adding a recurrent layer to capture temporal dependencies

D : By using a separate network to compute the discount factor for future rewards

Answer: B

Question 4

What is a primary advantage of using sentence embeddings over word embeddings?

A : More Detailed Word Representations

B : Contextual Understanding of Sentences

C : Simplified Tokenization

D : Better Handling of Synonyms

Answer: B

Question 5

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

Page: 1 / 90

Total 450 Questions | Updated On: Sep 23, 2026

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