Data Governance and Quality Flashcards
6 cards from real Data and Analytics practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Data Governance and Quality flashcards as text
What is a master data management (MDM) system?
Answer: A technology for creating a single, authoritative source of truth for critical business data
MDM creates and maintains a single, consistent, and accurate record of critical business entities like customers, products, and suppliers across the organization.
What is data deduplication?
Answer: The process of identifying and removing duplicate records from datasets
Data deduplication identifies and eliminates duplicate records in datasets to ensure each entity appears only once, improving data quality.
What is a data quality rule?
Answer: A condition or constraint that data must satisfy to be considered fit for use
A data quality rule defines the criteria that data must meet to be considered accurate, complete, and valid for its intended business use.
What does 'data at rest' refer to in security?
Answer: Data stored in databases, file systems, or storage media that is not actively moving
Data at rest refers to inactive data stored persistently in databases, file systems, or storage media, as opposed to data in transit or in use.
What is the purpose of a data retention policy?
Answer: To define how long data should be kept before it is archived or deleted
A data retention policy specifies how long different categories of data are kept, balancing business needs, legal requirements, and storage costs.
What is role-based access control (RBAC) in data systems?
Answer: A security model granting data access based on a user's organizational role
RBAC assigns permissions to roles rather than individuals, granting users access to data based on their job function within the organization.