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DY0-001 Exam Questions & Answers

CompTIA DataAI Certification Exam  •  CompTIA

85 Questions 165 min Updated Sep 2026 99% Pass Rate
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Sample DY0-001 Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

A data scientist is presenting the recommendations from a monthslong modeling and experiment process to the company's Chief Executive Officer. Which of the following is the best set of artifacts to include in the presentation?

Correct Answer: B
Explanation:

Executive audiences need concise, high-level insights: what you found (results), what you suggest (recommendations), why it matters (justifications), and visual summaries (clear charts). Detailed methods, code, or raw data aren't appropriate at the C-suite level.

Q2 MultipleChoice

A data scientist is standardizing a large data set that contains website addresses. A specific string inside some of the web addresses needs to be extracted. Which of the following is the best method for extracting the desired string from the text data?

Correct Answer: A
Q3 MultipleChoice

A data scientist wants to digitize historical hard copies of documents. Which of the following is the best method for this task?

Correct Answer: B
Explanation:

OCR converts scanned images of text into machinereadable characters, making it the appropriate tool for digitizing printed or handwritten historical documents.

Q4 MultipleChoice

Which of the following types of machine learning is a GPU most commonly used for?

Correct Answer: A
Explanation:

GPUs excel at the massive parallelism required for the matrix and tensor operations at the heart of deep neural network training and inference, making them the go-to hardware for deep learning workloads.

Q5 MultipleChoice

A data scientist is creating a responsive model that will update a product's daily pricing based on the previous day's sales volume. Which of the following resource constraints is the data scientist's greatest concern?

Correct Answer: B
Explanation:

Because the model must be retrained every day on yesterday's sales data to set today's prices, the time it takes to train the model becomes the critical bottleneck in a responsive, dailyupdate workflow.

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Frequently Asked Questions

The DY0-001 is CompTIA's entry-level certification exam designed to validate foundational knowledge in data and artificial intelligence concepts. This certification demonstrates competency in data fundamentals, AI basics, machine learning principles, and practical applications of data and AI technologies in business environments.

CompTIA recommends that candidates have basic IT knowledge and familiarity with general computing concepts before attempting the DY0-001 exam. However, there are no strict formal prerequisites required to register for and take the exam.

The DY0-001 exam typically consists of approximately 90 minutes of testing time with around 60-70 questions. The passing score is generally set at 720 out of 900 points, though candidates should verify the current requirements on CompTIA's official website.

The exam covers data fundamentals, data analysis techniques, machine learning concepts, AI applications, data governance, ethics, and real-world business use cases. It also includes practical knowledge about tools, methodologies, and best practices used in data and AI initiatives.

The DY0-001 exam typically costs between $300-$350 USD, though pricing may vary by region and testing center. The certification is valuable for those entering data and AI fields as it demonstrates foundational competency and can enhance career prospects in growing technology sectors.
Exam Details
  • Exam CodeDY0-001
  • VendorCompTIA
  • Total Questions85
  • Duration165 min
  • LanguageEnglish
  • Versionv1
  • Last UpdatedSep 3, 2026
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