CompTIA Data+ Exam (2025) DA0-002 Exam Practice Test

[Data Acquisition and Preparation]

A data analyst needs to remove all duplicate values between two tables, "Employees" and "Managers," using SQL SELECT statements. Which of the following should the analyst use for this task?

[Data Concepts and Environments]

Which of the following tables holds relational keys and numeric values?

[Data Concepts and Environments]

Which of the following data repositories stores unstructured and structured data?

[Data Concepts and Environments]

Which of the following is the best reason for a company to use a CSV file to share data instead of an Excel file?

[Data Analysis]

A data analyst team needs to segment customers based on customer spending behavior. Given one million rows of data like the information in the following sales order table:

Customer_ID

Region

Amount_spent

Product_category

Quantity_of_items

00123

East

20000

Baby

4

00124

West

30000

Home

6

00125

South

40000

Garden

7

00126

North

50000

Furniture

8

00127

East

60000

Baby

10

Which of the following techniques should the team use for this task?

[Visualization and Reporting]

A data company needs a visualization that shows the availability zones from the last ten years and any future availability zones that the company will be using in the next five years. Which of thefollowing is the most appropriate visualization to display this information?

[Visualization and Reporting]

A manager wants to use the information in a recurring report on incomplete timesheets for the prior month to guide employee outreach. Which of the following report types is the best for this task?