CompTIA DataAI Certification - DY0-001 FREE EXAM DUMPS QUESTIONS & ANSWERS
A data scientist is designing a real-time machine-learning model that classifies a user based on initial behavior. The run times of these models are provided in the following table:
Which of the following models should the data scientist recommend for deployment?
Which of the following models should the data scientist recommend for deployment?
Correct Answer: D
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
Which of the following environmental changes is most likely to resolve a memory constraint error when running a complex model using distributed computing?
Correct Answer: B
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
A data scientist is developing a model to predict the outcome of a vote for a national mascot. The choice is between tigers and lions. The full data set represents feedback from individuals representing 17 professions and 12 different locations. The following rank aggregation represents 80% of the data set:
Which of the following is the most likely concern about the model's ability to predict the outcome of the vote?
Which of the following is the most likely concern about the model's ability to predict the outcome of the vote?
Correct Answer: B
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
A data scientist needs to:
Build a predictive model that gives the likelihood that a car will get a flat tire.
Provide a data set of cars that had flat tires and cars that did not.
All the cars in the data set had sensors taking weekly measurements of tire pressure similar to the sensors that will be installed in the cars consumers drive. Which of the following is the most immediate data concern?
Build a predictive model that gives the likelihood that a car will get a flat tire.
Provide a data set of cars that had flat tires and cars that did not.
All the cars in the data set had sensors taking weekly measurements of tire pressure similar to the sensors that will be installed in the cars consumers drive. Which of the following is the most immediate data concern?
Correct Answer: D
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
Which of the following problem-solving approaches is a set of guidelines to handle highly variable and not fully apparent situations?
Correct Answer: A
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
Which of the following best describes the minimization of the residual term in a ridge linear regression?
Correct Answer: B
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
A data scientist is building a forecasting model for the price of copper. The only input in this model is the daily price of copper for the last ten years. Which of the following forecasting techniques is the most appropriate for the data scientist to use?
Correct Answer: D
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
Which of the following belong in a presentation to the senior management team and/or C-suite executives? (Choose two.)
Correct Answer: A
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).
A movie production company would like to find the actors appearing in its top movies using data from the tables below. The resulting data must show all movies in Table 1, enriched with actors listed in Table 2.
Which of the following query operations achieves the desired data set?
Which of the following query operations achieves the desired data set?
Correct Answer: B
Vote an answer
Explanation: Only visible for FreeCram members. You can sign-up / login (it's free).