Free Python Institute PCAD-31-02 Practice Test & Real Exam Questions
Which best practices help enhance database security when building Python data analysis pipelines?
(Choose two)
(Choose two)
Correct Answer: A,D
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What is one potential risk of dynamically constructing SQL queries using string concatenation in Python scripts?
Correct Answer: C
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Which of the following would most likely be classified as unstructured data?
Correct Answer: B
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Which technique would be most appropriate to handle missing numerical values in a dataset intended for machine learning?
Correct Answer: C
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What is the recommended Python library to connect and extract tabular data directly from an Excel file?
Correct Answer: C
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What is a best practice when organizing data in a spreadsheet for analysis?
Correct Answer: A
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What is the main purpose of validating a dataset before applying statistical analysis?
Correct Answer: A
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