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CompTIA DA0-002 Exam Questions
Exam Name: CompTIA Data+ Exam (2025)
Exam Code:
DA0-002
Related Certification(s): CompTIA Data+ Certification
Certification Provider: CompTIA
Actual Exam Duration: 90 Minutes
Number of DA0-002 practice questions in our database:
111 (updated: May. 20, 2025)
Expected DA0-002 Exam Topics, as suggested by CompTIA :
- Topic 1: Data Concepts and Environments: This section of the exam measures the skills of a Junior Data Analyst and focuses on understanding core data concepts such as database types, schema structures, and data formats. It highlights differences between structured and unstructured data, compares file types like CSV, JSON, and XML, and introduces key ideas about data dimensions and slowly changing dimensions. Knowing how data is stored and organized helps professionals better prepare for analysis and reporting tasks.
- Topic 2: 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 3: Data Analysis: This section of the exam measures skills of a Reporting Analyst and includes foundational knowledge of statistical methods such as averages, variances, and standard deviation. It covers how to use data to find patterns, track performance, and make predictions. This domain also introduces hypothesis testing, regression, correlation, and different types of analysis like exploratory and trend analysis. Candidates should also be aware of common tools used for analysis, including Excel, SQL, Python, R, and popular BI platforms like Tableau and Power BI.
- 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.
- Topic 5: 5.0 Data Governance, Quality, and Controls 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.
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Free CompTIA DA0-002 Exam Actual Questions
Note: Premium Questions for DA0-002 were last updated On May. 20, 2025 (see below)
Question #1
[Data Acquisition and Preparation]
A data analyst needs to create a combined report that includes information from the following two tables:
Managers table
ID
First_name
Last_name
Job_title
1001
John
Doe
Manager
1002
Jane
Roe
Director
Non-managers table
ID
First_name
Last_name
Job_title
1003
Robert
Roe
Business Analyst
1004
Jane
Doe
Sales Representative
1005
John
Roe
Operations Analyst
Which of the following query methods should the analyst use for this task?
Correct Answer:
C
Question #2
[Visualization and Reporting]
Which of the following elements is the most important to include in a dashboard for internal technical audiences?
Correct Answer:
C
Question #3
[Data Concepts and Environments]
Which of the following data repositories stores unaltered data?
Correct Answer:
A
Question #4
[Data Concepts and Environments]
Which of the following data repositories stores unformatted data in its original, raw form?
Correct Answer:
D
Question #5
[Data Concepts and Environments]
Which of the following is found in metadata?
Correct Answer:
D
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11 days ago