About This Domain
Domain 2 — Data Acquisition and Preparation — accounts for 22% of the DATAPLUS certification exam. This domain evaluates your understanding of data integration methods and queries, identifying missing values, duplicates, and outliers, data transformation (cleansing, merging, parsing, formatting), and related concepts. Gathering, integrating, and preparing data for analysis. To pass this section you need practical knowledge of how these technologies work together.
What You'll Be Tested On
- Data integration methods and queries
- Identifying missing values, duplicates, and outliers
- Data transformation (cleansing, merging, parsing, formatting)
- ETL/ELT processes
Key Technologies in This Domain
Study Strategy for Domain 2
While 22% might seem like a smaller portion, every point counts toward the passing score.
Exam Tips for Domain 2
Know the steps: Extract → Transform → Load. Understand common data quality issues.
Frequently Asked Questions
How many questions come from Domain 2?
Domain 2 (Data Acquisition and Preparation) makes up 22% of the DATAPLUS exam.
What should I focus on for Domain 2?
Key topics include Data Acquisition.
How should I prepare for Data Acquisition and Preparation questions?
Review key topics, then practice with domain-specific questions focusing on real-world scenarios.
What's the best order to study DATAPLUS domains?
Start with highest-weighted: Data Concepts and Environments (20%), Data Acquisition and Preparation (22%), Data Analysis (24%), Visualization and Reporting (20%), Data Governance (14%).
Practice Domain 2 Questions
Test your knowledge of Data Acquisition and Preparation with practice questions from our DATAPLUS question bank.
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