CDS Data Quality Management 2

Question 1

Which data quality dimension measures the degree to which data values fall within acceptable ranges or conform to defined domain rules?

Accepted Answer

Validity

Answer

Completeness

Answer

Timeliness

Answer

Uniqueness

Question 2

A data steward discovers that the same customer appears 47 times in the CRM with slight name variations. Which remediation technique best addresses this?

Accepted Answer

Entity resolution / record linkage

Answer

Data masking

Answer

Data tokenization

Answer

Schema normalization

Question 3

What is the primary purpose of a data quality scorecard?

Accepted Answer

To track and communicate data quality KPIs over time

Answer

To document data lineage from source to target

Answer

To define data ownership and stewardship roles

Answer

To enforce referential integrity in the database

Question 4

In the context of data quality, what does 'fitness for purpose' mean?

Accepted Answer

Data satisfies the specific needs of the intended use case

Answer

Data meets ISO 8000 international standards

Answer

Data has passed all automated validation rules

Answer

Data is stored in the correct physical format

Question 5

Which technique uses statistical process control (SPC) charts to monitor data quality metrics over time?

Accepted Answer

Control charting

Answer

Data profiling

Answer

Root cause analysis

Answer

Data cleansing

Question 6

A business rule states that every order must have a corresponding customer record. Which data quality dimension is violated when orphan orders exist?

Accepted Answer

Integrity

Answer

Accuracy

Answer

Consistency

Answer

Timeliness

Question 7

What is the role of a 'data quality issue log' in an ongoing DQ program?

Accepted Answer

It tracks identified issues, root causes, owners, and remediation status

Answer

It replaces the need for automated data profiling tools

Answer

It stores all rejected records from ETL pipelines permanently

Answer

It defines the business glossary and data definitions