CompTIA Data+ - DA0-002 Exam Questions [2026]

QUESTION NO: 1
A data analyst is cleaning up a data set that contains images. The analysts wants to keep everything that was produced within the last 12 months. Which of the following best describes where the analyst should check for the date of creation on these products?

A. The metadata of each item in the data set B. The data dictionary of the data set C. The folder creation date on the filesystem D. The data set creation date on the database

Correct Answer: A

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QUESTION NO: 2
A data analyst is helping a company achieve its strategic goals. Which of the following types of analytics should the analyst incorporate into the dashboards and tools delivered to the company?

A. Descriptive B. Diagnostic C. Prescriptive D. Predictive

Correct Answer: C

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QUESTION NO: 3
A data analyst created a dashboard to illustrate the traffic volume and mean response time for a call center. The traffic data is current, but the mean response time has not updated for more than an hour. Which of the following is the best way to verify the data's freshness?

A. Checking the last time the calculation script ran B. Refactoring the code base C. Determining the number of calls with no timestamps D. Testing for network connectivity issues

Correct Answer: A

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QUESTION NO: 4
Which of the following best describes the purpose of a primary key?

A. To organize data so that the database has an efficient way to find data in a table B. To create a unique way to identify each row in a table C. To eliminate the need to join tables D. To provide a helper index that allows the database to find subsets of data easily

Correct Answer: B

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QUESTION NO: 5
A database administrator is investigating the reason a reporting job failed. The target-layer schema remained unchanged from the last run, and the database server is scalable. All of the users have default execute privileges on the report. Which of the following attribute changes most likely caused this incident?

A. Data lineage B. Data access C. Data type D. Data volume

Correct Answer: D

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QUESTION NO: 6
A data analyst is compiling a report called "Product Category Sales Performance Summary Report" based on the following table:

Which of the following charts is the most appropriate?

A. Waterfall B. Gantt C. Column D. Area

Correct Answer: C

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QUESTION NO: 7
An analyst is building a reporting deck. The deck must include tracking and visualizing metrics and row-level security. Which of the following actions should the analyst take after meeting all of the requirements?

A. Explain the desired level of reporting detail. B. Show a mock-up to the team. C. Find out the project due date. D. Present an analysis of the data.

Correct Answer: B

QUESTION NO: 8
Which of the following pieces of information, if made public, results in a data privacy violation?

A. Gender B. Age C. Driver's license D. Employment status

Correct Answer: C

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QUESTION NO: 9
Which of the following is the best tool for database management?

A. RStudio B. Anaconda C. VS Code D. Toad

Correct Answer: D

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QUESTION NO: 10
A data analyst needs to create a combined report that includes information from the following two tables:

Which of the following query methods should the analyst use for this task?

A. Union B. Group C. Nested D. Join

Correct Answer: A

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QUESTION NO: 11
A data analyst needs to modify a dashboard that was created by another employee. Upon opening the dashboard, the analyst notices that the information is not loading properly. Which of the following should the analyst do to troubleshoot this error?

A. Check that the program is updated to the latest version. B. Ensure the correct filters are displaying on the dashboard. C. Review the data layer and data source. D. Validate that the database is up-to-date.

Correct Answer: C

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