Exam Name: CompTIA Data+ Exam
Certification Provider: CompTIA
Corresponding Certification: CompTIA Data+
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Updated: Nov 01, 2026
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CompTIA DA0-002 Exam Syllabus Topics:
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Reference: https://www.comptia.org/en-us/certifications/data/v2/
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CompTIA Data+ Sample Questions:
A company reports on seven years of data in a sales dashboard. The dashboard pulls from a sales database that has 30 years of data. The dashboard performance is slow. Which of the following is the best way to improve the dashboard's performance?
- A. Filtering to include only relevant data
- B. Checking network connectivity
- C. Adding more RAM and rerunning
- D. Performing a code review
Correct Answer: A 🗳️
A data analyst wants to use the following tables to find all the customers who have not placed an order:
Which of the following SQL statements is the best way to accomplish this task?
- A. SELECT * FROM CUSTOMERS AS C INNER JOIN PRODUCTS AS P ON C.ID = C.IDWHERE COUNT(P.) =
- B. SELECT * FROM PRODUCTS AS P INNER JOIN CUSTOMERS AS C ON P.Customer_ID =C.ID WHERE (SELECT COUNT(P.) = 0)
- C. A SELECT * FROM CUSTOMERS AS C LEFT JOIN PRODUCTS AS P ON C.ID = P.Customer_ID WHERE P.Customer_ID IS NULL
- D. SELECT * FROM PRODUCTS AS P LEFT JOIN CUSTOMERS AS C ON P.Customer_ID = C.ID WHERE P.Customer_ID IS NOT NULL
Correct Answer: C 🗳️
A database administrator needs to implement security triggers for an organization's user information database. Which of the following data classifications is the administrator most likely using? (Select two).
- A. Non-Sensitive
- B. Encrypted
- C. Sensitive
- D. Private
- E. Open
- F. Public
Correct Answer: C,D 🗳️
Which of the following data repositories stores unformatted data in its original, raw form?
- A. Data lake
- B. Data warehouse
- C. Data mart
- D. Data silo
Correct Answer: A 🗳️
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Which of the following best enables the retrieval and manipulation of data that is stored in a relational database?
- A. XML
- B. JavaScript
- C. SQL
- D. Excel
Correct Answer: C 🗳️
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