CDO Study Guide 2026
Everything you need to pass the CDO exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CDO Exam Format at a Glance
📚 CDO Topics to Study (21)
✍️ Sample CDO Questions & Answers
1. Which metric measures the percentage of data records that pass all defined quality rules?
The Data Quality Pass Rate (also called conformity rate) measures the percentage of records that conform to all defined quality rules and standards.
2. A CDO discovers that 15% of customer records have duplicate entries. Which data quality dimension is most directly affected?
Uniqueness measures whether each entity is recorded only once; duplicate records directly violate this dimension.
3. A CDO is evaluating whether to build a centralized data team or adopt a hub-and-spoke model. The hub-and-spoke model PRIMARILY offers:
Hub-and-spoke combines central expertise and standards with embedded domain knowledge in each business unit.
4. Which communication approach BEST helps a CDO convey the value of digital transformation to frontline employees?
Frontline employees engage with transformation when they see direct relevance to their own tasks and daily efficiency.
5. Which of the following is NOT typically considered one of the core dimensions of data quality?
Scalability is a system architecture concept, not a data quality dimension; the core dimensions include accuracy, completeness, consistency, timeliness, validity, and uniqueness.
6. A CDO wants to accelerate cultural adoption of data-driven practices. Which initiative has the HIGHEST long-term impact?
Data champions embedded in business units sustain cultural change by providing ongoing peer-level support and advocacy.