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CompTIA

DA0-001 Real Exam Questions

CompTIA Data+ Certification Exam. Everything you need to prepare, practice, and pass.

548

Questions

5

Exam Domains

Included

Explanations

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Certification Overview

This exam emphasizes practical data fundamentals: SQL querying and data manipulation, data quality assessment and remediation, statistical analysis for insights, and visualization design for non-technical audiences. You'll demonstrate ability to prepare messy data for analysis and communicate findings visually.

What This Certification Proves

CompTIA Data+ validates foundational skills in data analytics, visualization, and data quality management. This certification proves you can work with data in business environments, prepare datasets, create meaningful visualizations, and apply basic statistical concepts—making it an entry-point credential for data-focused career transitions.

Who Should Take This Exam

Career-changers and early-career professionals (0-3 years IT/business experience) targeting data analyst, business intelligence, or data specialist roles. Ideal for those with basic IT knowledge who want structured validation before data analytics positions. Also suitable for business analysts looking to formalize analytics capabilities.

Topic Breakdown

5 domains covering 547 questions

DomainQuestionsWeight
Data Analysis22842%
Data Concepts And Environments16029%
Data Governance, Quality, And Controls10219%
Visualization5210%
Data Mining51%

Study Plans

Choose a study plan that matches your schedule and experience level

30 Days

Intensive Sprint

Week 1-2

  • Master fundamentals: Data Analysis
  • Read CompTIA official documentation
  • Complete 19 questions daily

Week 3

  • Deep dive: Data Concepts And Environments
  • Review weak areas from results
  • Take 2 full-length exams

Week 4

  • Review all flagged questions
  • Timed exams to build stamina
  • Final revision of key concepts

60 Days

Balanced Approach

Week 1-2

  • Survey all exam domains
  • Set up study environment
  • Begin with foundational topics

Week 3-4

  • Focus: Data Analysis
  • Focus: Data Concepts And Environments
  • 10 questions daily

Week 5-6

  • Focus: Data Governance, Quality, And Controls
  • Hands-on labs if applicable
  • Review explanations for wrong answers

Week 7-8

  • Complete all 548 questions
  • Identify and eliminate weak areas
  • Take 3 full-length timed tests

90 Days

Comprehensive Study

Month 1

  • Learn all exam domains at a comfortable pace
  • Build strong foundational knowledge
  • 7 questions daily

Month 2

  • Deep dive into each domain
  • Hands-on practice and labs
  • Take weekly timed exams

Month 3

  • Work through all 548 questions
  • Identify and eliminate weak areas
  • Take 3 full-length timed exams

DA0-001-Specific Tips

  • Focus heavily on SQL fundamentals—this is practical and heavily tested; practice writing queries for data filtering and transformation
  • Master data quality concepts early (validation rules, anomaly detection, completeness checks) as they form the foundation for other domains
  • Get hands-on with at least one visualization tool (Tableau, Power BI, or similar); don't just study theory—create actual dashboards
  • Study descriptive statistics in depth: mean, median, standard deviation, quartiles, and distributions—these appear across multiple domains
  • Practice data type conversions and transformations; many real-world scenarios involve cleaning messy data into usable formats
  • Understand data governance basics—even at entry-level, roles require knowing privacy, compliance, and data classification fundamentals
  • Use the 555 practice questions strategically—focus on Data Analysis, Data Quality, and Visualization (highest weight in real exams), not equal time per domain

Relevant Career Roles

Junior Data AnalystBusiness Intelligence AnalystData Quality AnalystAnalytics SpecialistDatabase Administrator (transition path)

Sample Questions

Try 5 free questions from the DA0-001 question bank

Q1Data Concepts and Environments

A company derives proprietary leads from monthly sales calls and sends them to dealers through a connection that matches the correct leads to the correct dealers. Which of the following BEST describes this method?

Q2Data Analysis

A company's marketing department wants to do a promotional campaign next month. A data analyst on the team has been asked to perform customer segmentation, looking at how recently a customer bought product, at what frequency, and at what value. Which of the following types of analysis would this practice be considered?

Q3Data Governance, Quality, and Controls

A healthcare data analyst notices that one data set in the column for BloodPressure contains several outliers that need to be replaced with meaningful values. Which of the following data manipulation techniques should the analyst use?

Q4Data Concepts and Environments

A database consists of one fact table that is composed of multiple dimensions. Depending on the dimension, each one can be represented by a denormalized table or multiple normalized tables. This structure is an example of a:

Q5Data Concepts and Environments

A junior analyst with a relational database system needs to maintain the relations between the data using a schema of the relations. Which of the following best describes the data management process?

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