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:
Which of the following best describes an assessment a data analyst would use to validate that the number of records in a dataset matches the expected results?
- A. Health check
- B. Source control
- C. Unit test
- D. Stress test
Correct Answer: C 🗳️
Which of the following tables holds relational keys and numeric values?
- A. Fact
- B. Transactional
- C. Dimensional
- D. Graph
Correct Answer: A 🗳️
Which of the following is a reason for sampling?
- A. Data needs to be collected without interference.
- B. Conclusions need to be drawn from a large population.
- C. Many individuals need to be asked a series of questions.
- D. The data extraction process needs to be automated.
Correct Answer: B 🗳️
Explanation: Only visible for TrainingDumps members. You can sign-up / login (it's free).
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?
- A. Recurring
- B. Real-time
- C. Ad hoc
- D. Self-service
Correct Answer: A 🗳️
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?
- A. INNER JOIN
- B. FULL OUTER JOIN
- C. RIGHT OUTER JOIN
- D. CROSS JOIN
Correct Answer: C 🗳️
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