Exam DMF topic 1 question 26 discussion

Actual exam question from CDMP's DMF

Question #: 26
Topic #: 1

[All DMF Questions]

A report displaying birth date contains possible, but incorrect values. What is a possible explanation?

A. Birth date is populated from a single source system, which contains missing values
B. Birth date is populated from two source systems, both of which record the birth date in the birth date field
C. Birth date is populated from a single source system, which does not contain birth date
D. Birth date is populated from two source systems, one of which stores marriage date in the birth date field
E. Birth date is populated from a single source system, where the date field is an offset value of 1601

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Suggested Answer: D 🗳️

by GenoKiller777_ at July 3, 2025, 6:50 p.m.

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GenoKiller777_

1 week, 5 days ago

Selected Answer: D

This scenario illustrates a data quality issue related to data accuracy and consistency. In the DAMA framework, one of the key dimensions of data quality is accuracy, which refers to whether data correctly describes the "real-world" object or event it represents. Even if a value is syntactically valid (e.g., a properly formatted date), it can still be semantically incorrect. In this case, pulling data from multiple sources without proper mapping or validation can lead to misplaced attributes, such as a marriage date being stored or interpreted as a birth date. This type of issue typically occurs during data integration or ETL (Extract, Transform, Load) processes, especially in Master Data Management (MDM), where data conflicts between systems of record and reference need to be resolved carefully.

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