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Exam DMF topic 1 question 228 discussion

Actual exam question from CDMP's DMF
Question #: 228
Topic #: 1
[All DMF Questions]

What causes data redundancy or data ROT?

  • A. Poor assimilation of collected data
  • B. Poor data management practices
  • C. Server and human error
  • D. Dataset inaccuracies developed over time
  • E. All of these
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Suggested Answer: B 🗳️
by Anirbanhere4u at May 28, 2025, 8:50 p.m.

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Anirbanhere4u
3 weeks ago
Selected Answer: E
A. Poor assimilation of collected data: When data is ingested or collected without proper integration or consolidation, duplicate or outdated data can accumulate. B. Poor data management practices: Lack of data governance, data lifecycle management, or archival policies leads to unnecessary or outdated data being retained. C. Server and human error: Mistakes in data entry, duplication during backups, or misconfigured scripts can result in repeated or irrelevant data being stored. D. Dataset inaccuracies developed over time: Without regular cleaning and validation, datasets may grow stale, with outdated or incorrect information that no longer serves a purpose.
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