Expert Answers to CompTIA Exam DA0-002 Questions

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CompTIA Data+ CompTIA Data+ Exam (2025)

CompTIA Data+ Exam (2025)

Last Update Jul 18, 2026
Total Questions : 121

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Questions 2

A sales manager wants to understand how sales are trending year over year. Which of the following chart types is the most appropriate to display the information?

Options:

Line

Donut

Bubble

Hierarchy

Discussion 0

Questions 3

A data analyst needs to create a report that anticipates the number of calls received daily. Which of the following is the best statistical method to use?

Options:

Predictive

Diagnostic

Inferential

Descriptive

Discussion 0

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Questions 4

A data analyst receives a request for the current employee head count and runs the following SQL statement:

SELECT COUNT(EMPLOYEE_ID) FROM JOBS

The returned head count is higher than expected because employees can have multiple jobs. Which of the following should return an accurate employee head count?

Options:

SELECT JOB_TYPE, COUNT DISTINCT(EMPLOYEE_ID) FROM JOBS

SELECT DISTINCT COUNT(EMPLOYEE_ID) FROM JOBS

SELECT JOB_TYPE, COUNT(DISTINCT EMPLOYEE_ID) FROM JOBS

SELECT COUNT(DISTINCT EMPLOYEE_ID) FROM JOBS

Discussion 0

Questions 5

Which of the following is a NoSQL database?

Options:

PostgreSQL

MySQL

Oracle