Free CompTIA DA0-001 Exam Dumps Questions & Answers

An analyst for a small business with multiple locations is using each location's quarterly sales reports from last year to create a single revenue report for the year. Which of the following data mining techniques should the analyst use to complete this task?

• A.  Data imputation
• B.  Data blending
• C.  Data merge
• D.  Data append

Consider this dataset showing the retirement age of 11 people, in whole years:
54, 54, 54, 55, 56, 57, 57, 58, 58, 60, 60
This tables show a simple frequency distribution of the retirement age data.

• A.  54
• B.  55
• C.  56
• D.  57

A data set has the following values:

Which of the following is the best reason for cleansing the data?

• A.  Data outliers
• B.  Invalid data
• C.  Missing data
• D.  Redundant data

Which of the following is the best description of the term "data governance"?

• A.  Data governance is the availability, usability, integrity, and security of data in an enterprise.
• B.  Data governance is the process of analyzing, manipulating, and reporting data in an organization.
• C.  Data governance governs the development of a data visualization dashboard in an organization.
• D.  Data governance is the policy that protects against data breaches by cybercriminals.

A data analyst is reviewing SQL code and sees a query that uses terms such as MIN, SUM, and COUNT.
Which of the following types of functions best describes these terms?

• A.  Aggregate
• B.  Logical
• C.  Filtering
• D.  System