Question 1

What does the Gensim library primarily offer for NLP tasks?

Options :

A : Named entity recognition

B : Sentiment analysis

C : Text preprocessing and vectorization

D : Topic modeling and document similarity

Answer: D

Question 2

Which method in spaCy is used to perform named entity recognition (NER) on a text?

Options :

A : doc.pos_

B : doc.dep_

C : doc.vector

D : doc.ents

Answer: D

Question 3

How can you handle missing values when importing a CSV file into pandas?

Options :

A : Use replace()

B : Use dropna()

C : Use convert_dtypes()

D : Use fillna()

Answer: D

Question 4

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

Options :

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 5

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

Options :

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