CompTIA Data+ - DA0-002 Free Exam Questions

QUESTION NO: 1
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?

Correct Answer: B Vote an answer
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QUESTION NO: 2
Which of the following best describes the storage type that provides a unique identifier and metadata information?

Correct Answer: D Vote an answer
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QUESTION NO: 3
An organization sees an increase in requests to view its online dashboard. Providing access is time-consuming. Which of the following actions should the data team take to provide access and ensure the security of the online portal?

Correct Answer: A Vote an answer
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QUESTION NO: 4
A data analyst receives four files that need to be unified into a single spreadsheet for further analysis. All of the files have the same structure, number of columns, and field names, but each file contains different values. Which of the following methods will help the analyst convert the files into a single spreadsheet?

Correct Answer: D Vote an answer
QUESTION NO: 5
A company has a document that includes the names of key metrics and the standard for how those metrics are calculated company-wide. Which of the following describes this documentation?

Correct Answer: A Vote an answer
QUESTION NO: 6
Which of the following explains the purpose of UAT?

Correct Answer: B Vote an answer
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QUESTION NO: 7
An analyst needs to combine the following two tables. The analyst needs to keep all the records in the Medals table and only the records that match from the Country table.

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

Correct Answer: A Vote an answer
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QUESTION NO: 8
While interacting with a data set. a data analyst learns that copies of the data are distributed across several data repositories around the globe. Which of the following concepts best describes this practice?

Correct Answer: D Vote an answer
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QUESTION NO: 9
A data analyst needs to join data from two tables in a way that all data from one table is shown even if a matching row is not in the other table. Which of the following should the analyst use to achieve the desired output?

Correct Answer: C Vote an answer
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QUESTION NO: 10
A marketing firm wants to find the average age of its consumers to better promote its products.
Given the following dataset:

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

Correct Answer: D Vote an answer
QUESTION NO: 11
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?

Correct Answer: A Vote an answer
QUESTION NO: 12
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?

Correct Answer: B Vote an answer
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QUESTION NO: 13
Which of the following data repositories stores unstructured and structured data?

Correct Answer: B Vote an answer
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