In the full course
What you get
- 360 exam-style questions, each with a full explanation
- 20 performance-based tasks, marked with partial credit
- 200 flashcards, filtered by domain
- The full study guide, 6 chapters
- Timed mock exams matched to the real exam length
- A readiness score weighted by the official exam blueprint
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CompTIA Data+ v2 is a vendor-neutral certification that validates core data analytics skills, including data concepts, analysis techniques, visualization, governance, and quality control. It focuses on interpreting data, applying basic statistics, and communicating insights effectively in business environments.
Practice content last updated · Independently written and aligned to CompTIA’s published exam objectives.
About the CompTIA Data+ V2 Exam
CertCrush helps you prepare with free Data+ practice questions, timed practice tests and full mock exams with a clear explanation for every answer.
Exam Domains Covered
- Data Concepts and Environments20%
- Data Acquisition and Preparation22%
- Data Analysis24%
- Visualization and Reporting20%
- Data Governance14%
Try 2 performance tasks free
Drag-and-drop, sequencing and configuration tasks that mirror the interactive questions on the real CompTIA Data+ V2 exam, marked with partial credit.
Sample Practice Questions
The following questions are a preview of the type of syllabus-aligned questions you will practise in CertCrush. They reflect the format and reasoning style of the CompTIA Data+ V2 exam, not actual exam content.
Q1.A company's legal department informs the data team that all emails, database records, and documents related to a specific contract dispute must be preserved even if those records would normally be deleted under the standard 90-day retention policy. What is this legal obligation called?
- A.Data retention policy
- B.Data archival requirement
- C.Legal hold
- D.Audit trail requirement
Domain: Data Governance
Q2.A dataset of survey responses shows that respondents with very low incomes are less likely to report their income, meaning the probability of a value being missing depends on the unobserved missing value itself. What category of missingness is this?
- A.MCAR (Missing Completely at Random)
- B.MAR (Missing at Random)
- C.Structurally missing
- D.MNAR (Missing Not at Random)
Domain: Data Acquisition and Preparation
Q3.An organization restructures its data strategy so that each business domain such as marketing and supply chain is responsible for its own data pipelines, quality, and serving, treating data as a product for internal consumers. Which modern data architecture paradigm does this represent?
- A.Data fabric
- B.Data vault
- C.Lambda architecture
- D.Data mesh
Domain: Data Concepts and Environments
Q4.A dashboard shows total monthly revenue that appears unexpectedly high. Upon investigation, the analyst finds the data was aggregated at the transaction line-item level rather than the order level, causing each order to be counted multiple times. What is the root cause?
- A.A date filter was applied incorrectly
- B.The revenue column contains NULL values
- C.The data was aggregated at the wrong granularity (line-item vs order level)
- D.The dashboard is using cached data from a previous period
Domain: Data Analysis
Q5.A company wants to allow business analysts to build their own reports without involving IT, but needs to ensure analysts only access pre-approved data sources and cannot publish to external audiences. What BI approach does this describe?
- A.Ad hoc querying without any restrictions
- B.Fully managed BI where IT builds all reports
- C.Self-service BI with governance guardrails
- D.Open data publishing to all external stakeholders
Domain: Visualization and Reporting
Q6.A retail company has customer records in three systems: its e-commerce platform, its loyalty program, and its ERP system. The company implements a program to identify and merge duplicate customer records across all three systems into a single authoritative record for each customer. What practice is this?
- A.Data integration
- B.Data federation
- C.Data virtualization
- D.Master data management (MDM)
Domain: Data Governance
Q7.A data engineer writes a script to automatically extract product listings from a competitor's website. Before doing so, they check the site's robots.txt file, review its terms of service, and introduce delays between requests to avoid overloading the server. What considerations are these?
- A.Data normalization best practices
- B.API rate limit compliance only
- C.Ethical and legal web scraping considerations
- D.Database indexing strategies
Domain: Data Acquisition and Preparation
Q8.A dimension table for employees has columns named Current_Department and Previous_Department stored on the same row. When an employee transfers, the Current_Department value moves to Previous_Department and the new department is written to Current_Department. Which SCD type does this describe?
- A.SCD Type 1
- B.SCD Type 2
- C.SCD Type 3
- D.SCD Type 4
Domain: Data Concepts and Environments
Q9.An analyst notices that daily website traffic reports show zero visits on several days within a reporting period. Upon investigation, the date filter in the query uses strict less-than rather than less-than-or-equal-to for the end date. What is the root cause of the data gap?
- A.Missing data in the source system
- B.A timezone offset causing records to shift to the wrong day
- C.The date filter boundary excludes the last day of the reporting range
- D.The aggregation is at the wrong time granularity
Domain: Data Analysis
Q10.(Choose TWO) Which of the following techniques are used to protect sensitive data by removing or obscuring identifying information so that individuals cannot be re-identified?
- A.Anonymization
- B.Indexing
- C.De-identification
- D.Partitioning
Domain: Data Governance
CompTIA Data+ V2 guides & exam news
CompTIA Data+ DA0-002 in 2026: What Changed From DA0-001, Exam Cost and Is It Worth It?
DA0-001 retired on 14 April 2026, so CompTIA Data+ DA0-002 is now the only version you can sit. The format is identical, but two of the five domains were rebuilt. Here is what changed, what it costs, and who should take it.
CompTIA A+ Practice Questions: 25 Exam-Style Examples With Answers and Explanations (220-1201 and 220-1202, 2026)
25 free CompTIA A+ practice questions written to the current 220-1201 and 220-1202 objectives, weighted by domain, with the answer and the reasoning for every one. Includes pass marks, domain splits and a scoring guide.
CompTIA AI Essentials Explained: Cost, Format and Is It Worth It in 2026?
CompTIA AI Essentials is a 2 to 3 hour self-paced course ending in a competency assessment, not a proctored exam. Here is what the CompCert badge actually is, what it costs, how it differs from AI Prompting Essentials and SecAI+, and who should buy it.
Frequently Asked Questions
Does the CompTIA Data+ V2 course include performance-based questions?
Yes. The CompTIA Data+ V2 course includes 20 performance-based questions (PBQs): hands-on tasks that mirror the interactive questions on the real exam, including drag-and-drop matching, sequencing and configuration screens. Each one is marked with partial credit, so you can see exactly which placements were wrong, and every task includes a full explanation. The first two are free to try.
What is included in the free CompTIA Data+ V2 sample?
The free sample includes 10 syllabus-aligned practice questions, sample flashcards, and a preview chapter from the study guide. No account or payment is required to try the sample.
How many questions are in the full CompTIA Data+ V2 course?
The full CompTIA Data+ V2 course includes 360 practice questions and 20 performance-based tasks, covering all 5 exam domains. Every question carries a full explanation for the right answer and the wrong ones.
Are these official CompTIA exam questions?
No. CertCrush questions are independently written and syllabus-aligned. They mirror the format, difficulty, and reasoning style of the official exam. We are not affiliated with or endorsed by CompTIA.
Which domains does the CompTIA Data+ V2 course cover?
The course covers 5 exam domains: Data Concepts and Environments, Data Acquisition and Preparation, Data Analysis, Visualization and Reporting, Data Governance.
Can I study on mobile?
Yes. CertCrush is fully responsive and works on phones, tablets, and desktops. The timed exam, flashcards, and study guide all work on mobile without installing an app.
What happens when I create an account?
Creating a free account lets you access full courses, track your weak areas by domain, and resume practice sessions across devices. No credit card is required to register.
Start with 10 free questions
No account, no card. The full CompTIA Data+ V2 course is $9.99, once.