CompTIA DataX

Here you have the best CompTIA DY0-001 practice exam questions

You have 83 total questions across 17 pages (5 per page)
These questions were last updated on February 21, 2026
This site is not affiliated with or endorsed by CompTIA.

Question 1 of 83

Which of the following issues should a data scientist be most concerned about when generating a synthetic data set?

The data set consuming too many resources

The data set having insufficient features

The data set having insufficient row observations

The data set not being representative of the population

Question 2 of 83

A data scientist is performing a linear regression and wants to construct a model that explains the most variation in the data. Which of the following should the data scientist maximize when evaluating the regression performance metrics?

Accuracy

p value

AUC

Question 3 of 83

A data scientist is building an inferential model with a single predictor variable. A scatter plot of the independent variable against the real-number dependent variable shows a strong relationship between them. The predictor variable is normally distributed with very few outliers. Which of the following algorithms is the best fit for this model, given the data scientist wants the model to be easily interpreted?

A logistic regression

An exponential regression

A linear regression

A probit regression

Question 4 of 83

A data scientist wants to evaluate the performance of various nonlinear models. Which of the following is best suited for this task?

AIC

Chi-squared test

MCC

ANOVA

Question 5 of 83

Which of the following is the layer that is responsible for the depth in deep learning?

Convolution

Dropout

Pooling

Hidden

About the CompTIA DY0-001 Certification Exam

About the Exam

The CompTIA DY0-001 (CompTIA DataX) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 83 practice questions across 17 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our DY0-001 questions are regularly updated to reflect the latest exam objectives.