Data Quality Quiz

What you'll be asked

1. Which of the following dimensions of data quality refers to whether the data represents the real-world value correctly?
2. You are implementing a data validation rule to ensure that a 'Date of Birth' field does not contain future dates. Which data quality dimension are you primarily addressing?
3. An organization discovers that customer addresses are formatted differently across three different legacy systems (e.g., 'St.' vs 'Street'). Which data quality activity is most appropriate to resolve this?
4. When performing data profiling, what is the primary goal of calculating the 'null value percentage' for a specific column?
5. In a distributed architecture, you notice that a customer's 'Preferred Language' attribute is updated in the CRM but remains unchanged in the Billing system, leading to conflicting records. Which data quality strategy is most effective here?

Answers and explanations come after you submit.