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CompTIA DY0-001 Exam - Topic 5 Question 15 Discussion

A data scientist built several models that perform about the same but vary in the number of features. Which of the following models should the data scientist recommend for production according to Occam's razor?
A) The model with the fewest features and highest performance
B) The model with the fewest features and the lowest performance
C) The model with the most features and the lowest performance
D) The model with the most features and the highest performance

CompTIA DY0-001 Exam - Topic 5 Question 15 Discussion

Actual exam question for CompTIA's DY0-001 exam
Question #: 15
Topic #: 5
[All DY0-001 Questions]

A data scientist built several models that perform about the same but vary in the number of features. Which of the following models should the data scientist recommend for production according to Occam's razor?

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Suggested Answer: A

According to Occam's razor, when models perform equivalently, you choose the simplest one - in this case, the model that achieves the needed performance with the fewest features.


by Rolf at Mar 08, 2026, 08:01 PM

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Leeann
4 hours ago
Agreed! Fewer features mean less complexity.
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Janna
5 days ago
I think A is the best choice. Simplicity is key!
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Walton
10 days ago
B) is a no-go, why would you pick low performance?
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Arlyne
16 days ago
Wait, so we're just ignoring performance for simplicity? That seems off.
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Marva
2 months ago
I don't know, sometimes more features can capture complexity better.
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Rosendo
2 months ago
Totally agree, simplicity is key!
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Terrilyn
2 months ago
A) is the best choice! Fewer features = simpler model.
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Franklyn
3 months ago
Definitely A! Occam's razor for the win!
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Corrie
3 months ago
I thought more features always meant better performance?
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Joni
3 months ago
Wait, why would we pick a lower performance model?
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Casandra
3 months ago
Totally agree, simplicity is key!
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Milly
3 months ago
A) is the best choice! Fewer features = simpler model.
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Deeanna
3 months ago
I’m confused about whether performance trumps simplicity in this case. I guess I’d lean towards A, but I’m not 100% confident.
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Eden
4 months ago
I practiced a question like this, and I feel like the answer has to be the simplest model that still performs well. So, A seems right?
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Dorothy
4 months ago
I'm not entirely sure, but I remember something about balancing performance and complexity. Could it be the one with the fewest features, even if it's not the best performer?
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Virgina
4 months ago
I think Occam's razor suggests we should go for simplicity, so maybe the model with the fewest features and highest performance?
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