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Dama Exam CDMP-RMD Topic 3 Question 1 Discussion

Actual exam question for Dama's CDMP-RMD exam
Question #: 1
Topic #: 3
[All CDMP-RMD Questions]

What characteristics does Reference data have that distinguish it from Master Data?

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Suggested Answer: C

Reference data and master data are distinct in several key characteristics. Here's a detailed explanation:

Reference Data Characteristics:

Stability: Reference data is generally less volatile and changes less frequently compared to master data.

Complexity: It is less complex, often consisting of simple lists or codes (e.g., country codes, currency codes).

Size: Reference data sets are typically smaller in size than master data sets.

Master Data Characteristics:

Volatility: Master data can be more volatile, with frequent updates (e.g., customer addresses, product details).

Complexity: More complex structures and relationships, involving multiple attributes and entities.

Size: Larger in size due to the detailed information and numerous entities it encompasses.


Data Management Body of Knowledge (DMBOK), Chapter 7: Master Data Management

DAMA International, 'The DAMA Guide to the Data Management Body of Knowledge (DMBOK)'

by Naomi at Jun 20, 2024, 08:55 AM

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Elsa
11 months ago
A) It is more volatile and needs to be highly structured. Hmm, I thought Reference data was supposed to be less volatile than Master data.
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Alica
11 months ago
C) It always has foreign database keys to link it to other data. I'm not sure that's always true for Reference data, seems a bit too specific.
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Terry
10 months ago
D) It is less volatile, less complex, and typically smaller than Master Data sets
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James
10 months ago
A) It is more volatile and needs to be highly structured
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Flo
11 months ago
E) It provides data for transactions. This is a key characteristic of Reference data that helps distinguish it from Master data.
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Brent
11 months ago
I think Reference data is less volatile, less complex, and typically smaller than Master Data sets. So, I would choose option D.
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Glory
11 months ago
D) It is less volatile, less complex, and typically smaller than Master Data sets. This sounds like the most accurate description of Reference data to me.
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Leota
9 months ago
E) It provides data for transactions
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Delmy
10 months ago
B) It is always data from an outside source such as a governing body
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Winfred
10 months ago
D) It is less volatile, less complex, and typically smaller than Master Data sets
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Samira
10 months ago
A) It is more volatile and needs to be highly structured
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Cassandra
10 months ago
D) It is less volatile, less complex, and typically smaller than Master Data sets
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Jacquelyne
11 months ago
A) It is more volatile and needs to be highly structured
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Leigha
11 months ago
That's a good point, Dallas. It does make sense that Reference data comes from an external source. Maybe I should reconsider my answer.
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Dallas
11 months ago
I disagree, I believe Reference data is always data from an outside source, like a governing body. Option B seems more fitting to me.
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Leigha
11 months ago
I think Reference data is more volatile and needs to be highly structured, so I would go with option A.
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