CompTIA DA0-001 CompTIA Data+ Exam Exam Practice Test Questions

• Question 1

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

  • CSV file
  • PDF file
  • JSON file
  • JPEG file

  Show Answer Answer: D Next

• Question 2

  An analyst needs to create an analytics dashboard for an employee intranet site to improve the search functionality, display relevant information, and maintain an updated FAQ page. Which of the following visualizations would best represent what employees are searching for?

  • A word cloud
  • A histogram
  • A pie chart
  • A scatter plot

  Show Answer Answer: A Next

• Question 3

  A gambler thinks that a coin is fair and is equally likely to turn up heads or tails when the coin is flipped. Which of the following tests should the gambler use to fest this hypothesis?

  • T-test
  • Chi-squared test
  • Rank sum test
  • Ratio test

  Show Answer Answer: B Next

• Question 4

  A sales team wants visibility of current sales numbers, pipeline, and team performance. The team would also like to see calculations of individuals' earned commissions and projected commissions based on sales, but they want that information to be kept confidential. Which of the following would be the BEST way to provide this visibility?

  • Create a dashboard displaying a data refresh date so users know the current sales numbers and configure permissions to control access.
  • Create a dashboard for sales numbers, pipeline, and team and individual performance for the management team.
  • Create a dashboard with filters for the overall team, individuals, and management. Users can filter to see the data they want.
  • Create a dashboard with views for team, individuals, and management. Configure permissions to control access.

  Show Answer Answer: D Next

• Question 5

  Which of the following would be used to store unstructured data from different sources?

  • A data lake
  • A database management system
  • A database
  • A data warehouse

  Show Answer Answer: A Next