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CompTIA DA0-001 Exam
Data+ (Page 7 )

Updated On: 12-Feb-2026
Page 7 of 41
PDF with 429 Questions

Which of the following is an example of a at flat file?

  1. CSV file
  2. PDF file
  3. JSON file
  4. JPEG file

Answer(s): A



Given the following graph:



Which of the following summary statements upholds integrity in data reporting?

  1. Sales are approximately equal for Product A and Product B across all strategies.
  2. Strategy 4 provides the best sales in comparison to other strategies.
  3. While Strategy 2 does not result in the highest sales of Product D, over all products it appears to be the most effective.
  4. Product D should be promoted more than the other products in all strategies.

Answer(s): C



An analyst is required to run a text analysis of data that is found in articles from a digital news outlet. Which of the following would be the BEST technique for the analyst to apply to acquire the data?

  1. Web scraping
  2. Sampling
  3. Data wrangling
  4. ETL

Answer(s): A



An analyst runs a report on a daily basis, and the number of datapoints must be validated before the data can be analyzed. The number of datapoints increases each day by approximately 20% of the total number from the day before. On a given day, the number of datapoints was 8,798. Which of the following should be the total number of datapoints on the next day?

  1. 7,038
  2. 9,600
  3. 10,600
  4. 10,800

Answer(s): C



An analyst has been tracking company intranet usage and has been asked to create a chat to show the most-used/most-clicked portions of a homepage that contains more than 30 links. Which of the following visualizations would BEST illustrate this information?

  1. Scatter plot
  2. Heat map
  3. Pie chart
  4. Infographic

Answer(s): B






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