Documentation & Best Practices Flashcards

A regulator asks how a reported KPI was calculated. Which documentation answers this most directly?

Answer: Documented business rules and lineage from source fields to the KPI

Business rules plus lineage show exactly which data and logic produce a reported metric.

Which metadata type is described by column names, data types, lengths, and keys?

Answer: Technical metadata

Technical metadata describes the structure and physical characteristics of data assets.

What is the main benefit of a centralized enterprise data catalog?

Answer: It makes data assets discoverable with context such as definitions, owners, lineage, and quality

A catalog helps users find and understand data assets by consolidating their metadata.

A data quality rule is documented as 'email must be valid.' What is the best-practice improvement?

Answer: Specify a measurable criterion, threshold, owner, and remediation action

Quality rules should be measurable and actionable, with clear thresholds and accountable owners.

When should a Data Protection Impact Assessment (DPIA) be documented under GDPR?

Answer: Before processing that is likely to result in high risk to individuals' rights and freedoms

GDPR Article 35 requires a DPIA prior to high-risk processing such as large-scale profiling or sensitive data use.

Which practice best ensures documentation remains trustworthy over time?

Answer: Assigning owners, review dates, and version history to each document

Ownership, scheduled reviews, and versioning prevent documentation from going stale or conflicting.

A CDO wants to measure documentation maturity. Which metric is most meaningful?

Answer: Percentage of critical data elements with approved definitions, owners, and lineage

Coverage of critical data elements with complete metadata reflects real governance progress.