Free CompTIA DA0-001 Exam Dumps Questions & Answers

Which of the following types of dashboards should a business intelligence engineer develop in order to provide information about failed data pipelines?

• A.  Operational
• B.  Technical
• C.  Referencing
• D.  Strategic

A data analyst received a large amount of third-party data that needs to be joined with in-house data files.
After the data is joined, the analyst notices three columns all contain dates. Which of the following should the analyst do to maintain data consistency?

• A.  Impute all three date columns and then merge.
• B.  Separate the columns into a table and merge.
• C.  Merge all date columns and unify the format.
• D.  Append all date columns and parse the strings.

Which of the following is the first step an analyst should perform upon receiving a business request for analysis?

• A.  Finalize the methodology to solve the problem.
• B.  Determine the data needs and sources for analysis.
• C.  Initiate the analysis for exploratory data analysis.
• D.  Review the business questions to understand the scope.

Which of the following describes the use of a representative amount of data from a main repository?

• A.  Web scraping
• B.  Observation
• C.  Sampling
• D.  Delta load

Given the following data:

Which of the following BEST describes the data set?

• A.  The data is outliers.
• B.  The data is inconsistent.
• C.  There is data bias.
• D.  The data is incomplete.