CompTIA Data+ DA0-002 validates the technical proficiency of entry-to-mid-level data analysts and business intelligence professionals in managing the complete data lifecycle. Candidates must demonstrate expertise in database querying via SQL, data cleansing methodologies, and statistical analysis techniques including hypothesis testing and regression modeling. Proficiency in data visualization platforms such as Tableau and Power BI remains critical for reporting results. Furthermore, the curriculum emphasizes data governance, security best practices, and ETL pipeline management. Practitioners must exhibit competence in extracting, transforming, and loading complex datasets while maintaining strict adherence to regulatory compliance, data privacy standards, and architectural integrity across enterprise data environments.