Data and Analytics Data Governance and Quality 2

Question 1

What is a master data management (MDM) system?

Accepted Answer

A technology for creating a single, authoritative source of truth for critical business data

Answer

MDM creates and maintains a single, consistent, and accurate record of critical business entities like customers, products, and suppliers across the organization.

Question 2

What is data deduplication?

Accepted Answer

The process of identifying and removing duplicate records from datasets

Answer

Data deduplication identifies and eliminates duplicate records in datasets to ensure each entity appears only once, improving data quality.

Question 3

What is a data quality rule?

Accepted Answer

A condition or constraint that data must satisfy to be considered fit for use

Answer

A data quality rule defines the criteria that data must meet to be considered accurate, complete, and valid for its intended business use.

Question 4

What does 'data at rest' refer to in security?

Accepted Answer

Data stored in databases, file systems, or storage media that is not actively moving

Answer

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.

Question 5

What is the purpose of a data retention policy?

Accepted Answer

To define how long data should be kept before it is archived or deleted

Answer

A data retention policy specifies how long different categories of data are kept, balancing business needs, legal requirements, and storage costs.

Data and Analytics Practice Test

Data and Analytics Practice Test

Data and Analytics Data Governance and Quality 2