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IBM Data and AI: Data and AI C1000-059 Exam Questions and Answers PDF

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Total 62 questions
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IBM AI Enterprise Workflow V1 Data Science Specialist Questions and Answers

Question 5

What statement is true about UTF-8?

Options:

A.

It is encoding for Latin script.

B.

It is rarely used today.

C.

It is encoding for Unicode characters.

D.

It is equal to ASCII.

Question 6

Which test is applied to determine the relationship between two categorical variables?

Options:

A.

paired t-test

B.

chi squared test

C.

z test

D.

t-test

Question 7

A neural network is trained for a classification task. During training, you monitor the loss function for the train dataset and the validation dataset, along with the accuracy for the validation dataset. The goal is to get an accuracy of 95%.

From the graph, what modification would be appropriate to improve the performance of the model?

Options:

A.

increase the depth of the neural network

B.

insert a dropout layer in the neural network architecture

C.

increase the proportion of the train dataset by moving examples from the validation dataset to the train dataset

D.

restart the training with a higher learning rate

Question 8

What is the technique called for vectorizing text data which matches the words in different sentences to determine if the sentences are similar?

Options:

A.

Cup of Vectors

B.

Box of Lexicon

C.

Sack of Sentences

D.

Bag of Words

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Total 62 questions
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