Question 1

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 2

Which Raspberry Pi accessory is commonly used to capture images and videos?

Options :

A : USB Keyboard

B : GPIO Expansion Board

C : External Hard Drive

D : Raspberry Pi Camera Module

Answer: D

Question 3

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

Options :

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 4

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 5

In multiclass classification, what does the term "class probability calibration" refer to?

Options :

A : Normalizing features to balance class distribution

B : Modifying class probabilities to better reflect true likelihoods

C : Adjusting class probabilities to ensure they sum to one

D : Standardizing class probabilities for numerical stability

Answer: B

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