CompTIA DataX (DY0-001) Free Practice Exam Questions

73 real CompTIA DataX (DY0-001) exam questions with answers and AI explanations. CompTIA certification prep — page 3 of 8.

1. Question 21: Which of the following distance metrics for KNN is best described as a straight line?
2. Question 22: A data scientist is building a forecasting model for the price of copper. The only input in this model is the daily price of copper for the last ten years. Whi…
3. Question 23: An analyst wants to show how the component pieces of a company's business units contribute to the company's overall revenue. Which of the following should the…
4. Question 24: Which of the following does k represent in the k-means model?
5. Question 25: Which of the following techniques enables automation and iteration of code releases?
6. Question 26: In a modeling project, people evaluate phrases and provide reactions as the target variable for the model. Which of the following best describes what this mode…
7. Question 27: A computer vision model is trained to identify cats on a training set that is composed of both cat and dog images. The model predicts a picture of a cat is a d…
8. Question 28: Which of the following JOINS would generate the largest amount of data?
9. Question 29: A data scientist built several models that perform about the same but vary in the number of features. Which of the following models should the data scientist r…
10. Question 30: A data analyst wants to use compression on an analyzed data set and send it to a new destination for further processing. Which of the following issues will mos…