DAMA DQ-1220 : Data Quality

  • Exam Code: DQ-1220
  • Exam Name: Data Quality
  • Updated: Oct 10, 2026
  • Q & A: 123 Questions and Answers

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DAMA DQ-1220 Exam Syllabus Topics:

SectionObjectives
Data Quality Fundamentals- Data Quality Dimensions (Accuracy, Completeness, Consistency, Timeliness, Validity, Uniqueness)
- Definition of Data Quality
Data Quality Assessment- Data Profiling Techniques
- Data Quality Metrics and KPIs
Data Quality Management- Data Quality Governance
- Roles and Responsibilities (Data Stewardship)
Data Quality Improvement- Data Cleansing Methods
- Root Cause Analysis
Data Quality Operations- Data Quality Tools and Technologies
- Monitoring and Reporting

DAMA Data Quality Sample Questions:

Question #1

A DMZ is bordered by 2 firewalls. These are between the DMZ and the:

  • A. Internet and extranet
  • B. Internet and internal systems
  • C. Internet, for added security
  • D. Korean peninsula
  • E. Internet and intranet
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

A Data Quality score is calculated from Completeness, Accuracy, and Timeliness. Why might the dimensions be weighted differently?

  • A. To avoid defining thresholds
  • B. To eliminate Data Governance
  • C. Because business impact and importance can differ by dimension
  • D. Because all Data Quality dimensions always have equal importance
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #3

What is the purpose of Data Governance?

  • A. Establish processes and functions through which data can be enabled for use and also maintained
  • B. Encompass the entire lifecycle of a data asset
  • C. To ensure that data is managed properly, according to policies and best practices
  • D. Ensure that financial performance of the company is improved
  • E. Ensure an organization gets value out of its data
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #4

A control chart shows a stable defect rate for several weeks, followed by one point far outside the established control limits. This most strongly indicates:

  • A. Normal random variation only
  • B. A metadata definition
  • C. A guaranteed improvement
  • D. A special cause requiring investigation
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #5

An address-validation service reports that 96% of customer addresses conform to an approved postal format.
What does this metric demonstrate most directly?

  • A. Uniqueness
  • B. Integrity
  • C. Validity
  • D. Accuracy
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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