Free D-DS-FN-23 Practice Test Questions and Answers (2026)

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Q: 1
After which phase of the data analytics lifecycle should you determine if the model needs any recalibration?
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Q: 2
What does a branch represent in a decision tree?
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Q: 3
Which SQL OLAP grouping extension returns a result for each output row with 1 identifying a summary row and 0 identifying grouped rows?
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Q: 4
In time series analysis, what statement describes a MA(q) process?
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Q: 5
What is the purpose of applying the naïve Bayes conditional independence assumption?
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Q: 6
What is the similarity between the matrix and array data structures in R?
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Q: 7
What type of variable is the dependent variable from a logistic regression?
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Q: 8
Which visualization technique should be avoided?
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Q: 9

DRAG DROP Match each task to its description. Dell EMC D DS FN 23 question

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Q: 10
What are three built-in data types in the R programming language?
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Q: 11
What is part of the model output for a linear regression?
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Q: 12
Which R function plots a distribution of a single variable along two different axes?
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Q: 13
When using association rules, what is an itemset?
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Q: 14
Which Hadoop service responds to requests for compute and memory resources?
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Q: 15
In the data preparation phase of the data analytics lifecycle, what does the term “data conditioning” refer to?
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