DataSys+ Practice Test: Can You Pass DS0-001?

Reviewed by Editorial Team
The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Learn about Our Editorial Process
| By Thames
T
Thames
Community Contributor
Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 20 | Updated: Jul 1, 2026
Quiz
Please wait...
Question 1 / 21
🏆 Rank #--
0 %
0/100
Score 0/100

1. Which of the following is a NoSQL database model?

Submit
Please wait...
About This Quiz
Datasys+ Practice Test: Can You Pass Ds0-001? - Quiz

Test your knowledge of data systems fundamentals with this CompTIA DataSys+ (DS0-001) practice quiz. Designed for college-level learners, this assessment covers core concepts in database design, data governance, SQL operations, and system architecture. Prepare effectively for the official certification exam by evaluating your understanding of key topics and identifying areas... see morefor deeper study. see less

2.

What first name or nickname would you like us to use?

You may optionally provide this to label your report, leaderboard, or certificate.

2. What is the primary role of a database administrator in a data systems environment?

Submit

3. Which SQL aggregate function returns the number of rows that meet a condition?

Submit

4. In database systems, what does sharding accomplish?

Submit

5. What is a transaction log used for in database management?

Submit

6. Which of the following best describes data quality in the context of data governance?

Submit

7. What is the primary advantage of using views in a database?

Submit

8. Which backup strategy involves copying only data that has changed since the last backup?

Submit

9. In SQL, what does the DISTINCT keyword accomplish?

Submit

10. What does CAP theorem state about distributed databases?

Submit

11. Which of the following best describes the purpose of data normalization in relational databases?

Submit

12. What is the primary purpose of a data warehouse?

Submit

13. Which normalization form eliminates partial dependencies?

Submit

14. In database design, what does a foreign key establish?

Submit

15. Which join type returns only rows that have matching values in both tables?

Submit

16. What is a primary key in a relational database?

Submit

17. Which of the following is a characteristic of ACID properties in database transactions?

Submit

18. In the context of data governance, what does data lineage refer to?

Submit

19. Which SQL clause is used to filter rows after the GROUP BY operation has been applied?

Submit

20. What is the primary function of an index in a database?

Submit
×
Saved
Thank you for your feedback!
View My Results
Cancel
  • All
    All (20)
  • Unanswered
    Unanswered ()
  • Answered
    Answered ()
Which of the following is a NoSQL database model?
What is the primary role of a database administrator in a data systems...
Which SQL aggregate function returns the number of rows that meet a...
In database systems, what does sharding accomplish?
What is a transaction log used for in database management?
Which of the following best describes data quality in the context of...
What is the primary advantage of using views in a database?
Which backup strategy involves copying only data that has changed...
In SQL, what does the DISTINCT keyword accomplish?
What does CAP theorem state about distributed databases?
Which of the following best describes the purpose of data...
What is the primary purpose of a data warehouse?
Which normalization form eliminates partial dependencies?
In database design, what does a foreign key establish?
Which join type returns only rows that have matching values in both...
What is a primary key in a relational database?
Which of the following is a characteristic of ACID properties in...
In the context of data governance, what does data lineage refer to?
Which SQL clause is used to filter rows after the GROUP BY operation...
What is the primary function of an index in a database?
play-Mute sad happy unanswered_answer up-hover down-hover success oval cancel Check box square blue
Alert!