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CompTIA Updated DY0-001 Exam Questions and Answers by livia

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CompTIA DY0-001 Exam Overview :

Exam Name: CompTIA DataX Exam
Exam Code: DY0-001 Dumps
Vendor: CompTIA Certification: CompTIA Data+
Questions: 85 Q&A's Shared By: livia
Question 20

A team is building a spam detection system. The team wants a probability-based identification method without complex, in-depth training from the historical data set. Which of the following methods would best serve this purpose?

Options:

A.

Logistic regression

B.

Random forest

C.

Naive Bayes

D.

Linear regression

Discussion
Question 21

A data scientist is working with a data set that covers a two-year period for a large number of machines. The data set contains:

    Machine system ID numbers

    Sensor measurement values

    Daily timestamps for each machine

The data scientist needs to plot the total measurements from all the machines over the entire time period. Which of the following is the best way to present this data?

Options:

A.

Scatter plot

B.

Line plot

C.

Histogram

D.

Box-and-whisker plot

Discussion
Question 22

Which of the following issues should a data scientist be most concerned about when generating a synthetic data set?

Options:

A.

The data set consuming too many resources

B.

The data set having insufficient features

C.

The data set having insufficient row observations

D.

The data set not being representative of the population

Discussion
Question 23

The most likely concern with a one-feature, machine-learning model is high error due to:

Options:

A.

bias

B.

dimensionality

C.

variance

D.

probability

Discussion
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