CompTIA DA0-002 real exam prep : CompTIA Data+ Exam

  • Exam Code: DA0-002
  • Exam Name: CompTIA Data+ Exam
  • Updated: Nov 13, 2026
  • Q&As: 206 Questions and Answers

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CompTIA DA0-002 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Data Mining: This section of the exam measures skills of a Business Intelligence Analyst and covers how data is collected, cleaned, and prepared for analysis. It explains methods like ETL and ELT for data integration, as well as web scraping, API use, and survey data collection. Candidates are expected to identify issues like missing or duplicated data and apply techniques like filtering, sorting, merging, and normalizing. The section also touches on query optimization strategies to improve data handling efficiency.
Topic 2
  • This section of the exam measures skills of a Data Governance Associate and introduces principles for keeping data secure, accurate, and compliant. It covers access controls, encryption, classification of sensitive data like PII and PHI, and legal requirements tied to data use. Candidates must know how to apply quality checks, validate data, and manage master data effectively. It also addresses best practices for maintaining integrity through data dictionaries, audits, and standardisation processes.
Topic 3
  • 5.0 Data Governance, Quality, and Controls
Topic 4
  • Visualization: This section of the exam measures skills of a Data Visualisation Specialist and focuses on turning raw data into clear, visual insights. It teaches how to match visual formats like bar charts, heat maps, and line graphs to specific audiences and needs. Candidates must understand how to create dashboards and reports using proper design elements such as labels, layout, branding, and colour schemes. This section also includes best practices for dashboard development and delivery through various platforms and user access levels.

Reference: https://www.comptia.org/en-us/certifications/data/v2/

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CompTIA Data+ Sample Questions:

Question #1

A data analyst needs to create a report that anticipates the number of calls received daily. Which of the following is the best statistical method to use?

  • A. Diagnostic
  • B. Descriptive
  • C. Inferential
  • D. Predictive
Reveal Solution  Discussion  0

Correct Answer: D  πŸ—³οΈ

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Question #2

Due to new reporting requirements, a data analyst must add new classification codes to historical data. Which of the following is the best technique for this task?

  • A. Union
  • B. Binning
  • C. Append
  • D. Parsing
Reveal Solution  Discussion  0

Correct Answer: C  πŸ—³οΈ

Question #3

The human resources department wants to know the number of employees who earn $125,000 or more. However, the department is concerned about duplicates in the data set. Given the following table:

Which of the following SQL statements resolves this issue?

  • A. SELECT DISTINCT Employee_ID FROM Employee WHERE Salary >= 125000
  • B. SELECT DISTINCT Employee_ID FROM Employee WHERE Salary > 125000
  • C. SELECT COUNT(Employee_ID) FROM Employee WHERE Salary >= 125000
  • D. SELECT COUNT(DISTINCT Employee_ID) FROM Employee WHERE Salary >= 125000
Reveal Solution  Discussion  0

Correct Answer: D  πŸ—³οΈ

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Question #4

A data analyst is querying the Customers table, which contains a name column. Which of the following is the best way to return the customers who have the letters ANT at the beginning of their names?

  • A.
  • B.
  • C.
  • D.
Reveal Solution  Discussion  0

Correct Answer: D  πŸ—³οΈ

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Question #5

A database administrator needs to implement security triggers for an organization's user information database. Which of the following data classifications is the administrator most likely using? (Select two).

  • A. Public
  • B. Non-Sensitive
  • C. Private
  • D. Open
  • E. Sensitive
  • F. Encrypted
Reveal Solution  Discussion  0

Correct Answer: C,E  πŸ—³οΈ

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