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 the purpose of a primary key?
- A. To eliminate the need to join tables
- B. To provide a helper index that allows the database to find subsets of data easily
- C. To create a unique way to identify each row in a table
- D. To organize data so that the database has an efficient way to find data in a table
Correct Answer: C 🗳️
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A data analyst is designing a report for the business review team. The team lists the following requirements for the report:
- Specific data points
- Color branding
- Labels and terminology
- Suggested charts and tables
Which of the following components is missing from the requirements?
- A. Delivery method
- B. Source validation
- C. Report type
- D. Design elements
Correct Answer: A 🗳️
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Which of the following situations best describes an unclear and inconsistent column definition that can lead to an enabled analysis process?
- A. Undefined field
- B. Out-of-date dashboard
- C. Duplicated data
- D. Transpose
Correct Answer: A 🗳️
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Which of the following data repositories stores unstructured and structured data?
- A. Data silo
- B. Data lake
- C. Data store
- D. Data mart
Correct Answer: B 🗳️
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A data analyst is creating a report that provides information to parents and residents about the school distinct and its individual schools. Which of the following statistical methods is best suited for reporting this information?
- A. Predictive
- B. Prescriptive
- C. Descriptive
- D. Inferential
Correct Answer: C 🗳️
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