Dama CDMP-RMD Exam - Topic 5 Question 30 Discussion

Actual exam question for Dama's CDMP-RMD exam

Question #: 30
Topic #: 5

[All CDMP-RMD Questions]

Which of the following is NOT a possible outcome of a probabilistic matching algorithm?

ALikely Match

BNon- match

CNone of answers are correct (

DUnderminable match

EMatch

Show Suggested Answer

Suggested Answer: D

Understanding Probabilistic Matching: Probabilistic matching algorithms are used in data matching processes to compare records and determine if they refer to the same entity. These algorithms use statistical techniques to calculate the likelihood of matches.

Possible Outcomes of Probabilistic Matching:

Likely Match: The algorithm determines that the records are probably referring to the same entity based on calculated probabilities.

Non-match: The algorithm determines that the records do not refer to the same entity.

Match: The algorithm determines with high confidence that the records refer to the same entity.

Non-Standard Outcome (D): The term 'Underminable match' is not a standard term used in probabilistic matching outcomes. Typically, if the algorithm cannot determine a match or non-match, it might categorize it as 'possible match' or leave it undecided but not as 'underminable.'

Conclusion: The term 'Underminable match' does not fit into the standard categories of probabilistic matching outcomes.

DMBOK Guide, specifically the sections on Data Quality and Data Matching Techniques.

Industry standards and documentation on probabilistic data matching algorithms.

by Jina at Jul 10, 2025, 09:48 AM

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Tiara

8 months ago

Wait, "none of the answers are correct"? Really?

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Graham

8 months ago

I think "underminable match" sounds weird.

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Geoffrey

8 months ago

A likely match is definitely a possible outcome.

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Owen

8 months ago

Non-match is a valid outcome too!

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Julieta

9 months ago

Totally agree, A, B, and E are all possible!

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Ma

9 months ago

I’m leaning towards "Underminable match" as the answer, but I’m not completely confident. It just seems off compared to the others.

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Avery

9 months ago

I feel like I've seen a question similar to this before, and I think "None of the answers are correct" could be a tricky option.

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Lenora

9 months ago

I think "Likely Match" and "Non-match" are definitely outcomes, but I can't recall if "Underminable match" is a standard term used in this context.

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Roselle

9 months ago

I remember studying the possible outcomes of probabilistic matching algorithms, but I'm not sure about "Underminable match." That doesn't sound right.

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Vi

10 months ago

Alright, I've got this. The key is understanding the nature of probabilistic matching. A non-match is definitely a possible outcome, but "None of the answers are correct" doesn't seem like a valid choice here.

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Bronwyn

10 months ago

I'm a bit confused by this question. Are "None of the answers are correct" and "Undermindable match" even valid outcomes for a probabilistic matching algorithm? I'll have to think this through step-by-step.

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Rory

10 months ago

I'm pretty confident I know the answer to this one. Probabilistic matching algorithms can't produce an "undermindable match" - that doesn't make sense. I'll go with that.

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Paola

10 months ago

Okay, let's see. I know that a likely match and a match are both possible outcomes, but what about the other options? I'll have to review my notes on this.

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Yesenia

10 months ago

Hmm, this seems like a tricky one. I'll need to think through the possible outcomes of a probabilistic matching algorithm carefully.

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Mignon

12 months ago

Is this a trick question? I'm going to go with C. None of the answers are correct. Seriously, who comes up with these options?

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Veronica

11 months ago

I agree, I think it's C. None of the answers are correct.

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Elmira

1 year ago

I agree with Laura, D) Underminable match doesn't seem like a possible outcome to me.

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Rolland

1 year ago

This question is making my head spin. Maybe the algorithm is so advanced it can produce a 'Likely Match' or an 'Underminable Match'. I'll go with A just to be different.

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Tawny

1 year ago

I'm not sure, but I think E) Match is also a possible outcome.

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Dick

1 year ago

D. Underminable match? What kind of answer is that? Sounds like something a quantum physicist would come up with. I'm going with B. Non-match.

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Hubert

1 year ago

I disagree, I believe the correct answer is C) None of answers are correct.

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Laura

1 year ago

I think the answer is D) Underminable match.

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Nieves

1 year ago

Hmm, I think the answer is E. Match. It's a basic probabilistic matching algorithm, so a match or non-match should be the only possible outcomes, right?

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Claudia

12 months ago

Yeah, A) Likely Match and B) Non-match are the possible outcomes in a probabilistic matching algorithm.

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Soledad

1 year ago

I agree, E) Match seems like the correct answer.

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Lezlie

1 year ago

I'm pretty sure the correct answer is C. None of the answers are correct. How can a 'Underminable match' be a possible outcome? That just sounds made up.

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Tracey

1 year ago

Yeah, it must be a mistake in the answer options. None of the answers seem right.

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Lindsey

1 year ago

I agree, 'Underminable match' doesn't sound like a real outcome.

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