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CompTIA DataAI v1 Exam (DY0-001) - CompTIA Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
85 Total Questions
1
Question
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 Baves
D Linear regression
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2
Question
A data scientist wants to evaluate the performance of various nonlinear models. Which of the following is best suited for this task?
Options
A AIC
B Chi-squared test
C MCC
D ANOVA
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3
Question
Which of the following explains back propagation?
Options
A The passage of convolutions backward through a neural network to update weights and biases
B The passage of nodes backward through a neural network to update weights and biases
C The passage of accuracy backward through a neural network to update weights and biases
D The passage of errors backward through a neural network to update weights and biases
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4
Question
Which of the following best describes the minimization of the residual term in a ridge linear regression?
Options
A |e|
B e
C e2
D 0
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5
Question
Which of the following techniques enables automation and iteration of code releases?
Options
A Virtualization
B Markdown
C Code isolation
D CI/CD
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