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Exam overview

CompTIA DY0-001 Exam Dumps

Vendor

CompTIA

Exam Code

DY0-001

Actual Exam Duration

 165 Minutes

TOTAL QUESTIONS

165

Exam Name

CompTIA DataX Certification

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Exam practice

Exam Q&A

Select an option, then click Show Answer.

Q1: Which of the following does k represent in the k-means model?

A: Number of model tests

B: Number of data splits

C: Number of clusters

D: Distance between features

Correct Answer: C

Q2: A data scientist is standardizing a large data set that contains website addresses. A specific string inside some of the web addresses needs to be extracted. Which of the following is the best method for extracting the desired string from the text data?

A: Regular expressions

B: Named-entity recognition

C: Large language model

D: Find and replace

Correct Answer: A

Q3: Which of the following JOINS would generate the largest amount of data?

A: RIGHT JOIN

B: LEFT JOIN

C: CROSS JOIN

D: INNER JOIN

Correct Answer: C

Q4: Given these business requirements: Which of the following is the most likely optimization technique a data scientist would apply?

A: Constrained

B: Unconstrained

C: Non-iterative

D: Iterative

Correct Answer: A

Q5: A data scientist is presenting the recommendations from a monthslong modeling and experiment process to the company's Chief Executive Officer. Which of the following is the best set of artifacts to include in the presentation?

A: Methods, data overview, results, recommendations, and charts

B: Results, recommendations, justifications, and clear charts

C: Recommendation charts justifications code reviews and results

D: Methodology, code snippets, findings, data tables, and p values

Correct Answer: B

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