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Free Dell-EMC D-DS-FN-23 Actual Exam Questions

The questions for this exam were last updated on January 7, 2026

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Question No. 1
Which R function plots a distribution of a single variable along two different axes?
Select one option, then reveal solution.
Question No. 2
What are three built-in data types in the R programming language?
Select one option, then reveal solution.
Question No. 3
Consider this SQL statement: SELECT product, avg(prod_cost) FROM product_detail GROUP BY
product. The GROUP BY clause implies what type of function?
Select one option, then reveal solution.
Question No. 4
When building a K-means clustering model, you notice that the clusters did not segment on variables
that you expected. What should you do?
Select one option, then reveal solution.
Question No. 5
MapReduce is designed to process data in which way?
Select one option, then reveal solution.
Question No. 6
What are categorized as cluster and workflow management tools for Hadoop?
Select one option, then reveal solution.
Question No. 7
What is a business driver for Big Data analytics adoption?
Select one option, then reveal solution.
Question No. 8
Refer to Exhibit.
D-DS-FN-23 practice exam questions
Refer to the exhibit.
To predict whether or not a customer will renew their annual property insurance policy, an insurance
company built and operationalized a naïve Bayes classification model. In the model, there are two
class labels, renewal and non-renewal, that are assigned to each customer based on their attributes.
A subset of the key attributes, their values, and corresponding conditional probabilities are provided
in the exhibit.
A customer has the following attributes:
● Age is greater than 65 years
● Owns their own home
● Renewal month is August
If 20% of customers do not renew the police every year, what is the score for a renewal in the naïve
Bayesian model for the customer described above?
Select one option, then reveal solution.
Question No. 9Drag & Drop

DRAG DROP Match each task to its description. D-DS-FN-23 practice exam questions

Options
AText Mining
BParsing
CSpam filtering
DSearch/Retrieval
Drag an item to a target. Click × to remove.
Answer Area
Process of taking unstructured documents and applying a structure
Drop item here
Finding documents about a specific topic
Drop item here
Derive meaningful insights from the data
Drop item here
Question No. 10
In which programming language is Hadoop written?
Select one option, then reveal solution.
Question No. 11
What is a key consideration when preparing a presentation intended for analysts?
Select one option, then reveal solution.
Question No. 12
A logistic regression model is built to determine the probability of a credit card borrower defaulting
on a credit loan. A threshold value of 0.3 is selected. Which statement can be used to predict a
borrower will default?
Select one option, then reveal solution.
Question No. 13
Which chart type is intended to display time series data?
Select one option, then reveal solution.
Question No. 14
Refer to Exhibit.
D-DS-FN-23 practice exam questions
Refer to the exhibit, which shows pairwise counts for items purchased together.
Consider the following association rule: Milk -> Eggs
What is value of the lift?
Select one option, then reveal solution.
Question No. 15
On which type of data should you run K-means clustering?
Select one option, then reveal solution.