Free CompTIA DY0-001 Exam Dumps Questions & Answers

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?

• A.  Lagged observations
• B.  Multivariate outliers
• C.  Granularity misalignment
• D.  Insufficient domain expertise

A data scientist wants to evaluate the performance of various nonlinear models. Which of the following is best suited for this task?

• A.  ANOVA
• B.  MCC
• C.  AIC
• D.  Chi-squared test

A data scientist trained a model for departments to share. The departments must access the model using HTTP requests. Which of the following approaches is appropriate?

• A.  Create an endpoint.
• B.  Utilize distributed computing.
• C.  Use the File Transfer Protocol.
• D.  Deploy containers.

A data analyst is analyzing data and would like to build conceptual associations. Which of the following is the best way to accomplish this task?

• A.  NER
• B.  TF-IDF
• C.  n-grams
• D.  POS

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?

• A.  Perform an INNER JOIN between Table 1 using column Movie, and Table 2 using column Acted_In.
• B.  Perform a LEFT JOIN on Table 1 using column Movie, with Table 2 using column Acted_In.
• C.  Perform an INTERSECT between Table 1 using column Movie, and Table 2 using column Acted_In.
• D.  Perform a UNION between Table 1 using column Movie, and Table 2 using column Acted_In.