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

[Data Analysis]

A marketing firm wants to find the average age of its consumers to better promote its products. Given the following dataset:

Name

Date of birth

Age

Jane

March 24

34

John

July 17

11

Joe

November 29

29

Ann

December 13

14

Robert

December 14

63

Which of the following is the mean of the consumer ages?

[Data Acquisition and Preparation]

Which of the following is the most efficient to use when programming repeatable tasks?

[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?

[Data Concepts and Environments]

Which of the following best describes the reason an analyst would reference a data dictionary versus a source's metadata?

[Visualization and Reporting]

A data analyst is generating a custom report for a Chief Executive Officer's executive meeting. Later, the analyst learns that other custom reports will be required for future executive meetings. Which of the following delivery methods should the analyst use?

[Data Concepts and Environments]

Which of the following best represents a type of infrastructure that requires a company to purchase and maintain all of its own servers?

[Visualization and Reporting]

An analyst must use the same data to create reports for police patrol supervisors, the city council, and a public website. Which of the following is the best way to differentiate the reports?