CompTIA Data+ (DA0-002) Free Practice Test
Question 1
A data analyst team needs to segment customers based on customer spending behavior. Given one million rows of data like the information in the following sales order table:
Which of the following techniques should the team use for this task?
Which of the following techniques should the team use for this task?
Correct Answer: A
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Question 2
Which of the following best describes the method used to combine files, software, and libraries for use on various operating systems and environments?
Correct Answer: A
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Question 3
A data analyst is preparing a report for external users. The analyst must ensure that visuals can be identified as belonging to the organization. Which of the following should the analyst add to the report to best meet this requirement?
Correct Answer: B
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Question 4
A teaching administrator wants to measure the distribution of student scores in a class. Which of the following statistical measures should the administrator use?
Correct Answer: B
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Question 5
Given the following tables:
Which of the following data privacy practices is being used to protect employees' email addresses when creating a report?
Which of the following data privacy practices is being used to protect employees' email addresses when creating a report?
Correct Answer: C
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Question 6
Which of the following is the best example of a slowly changing dimension for a data warehouse?
Correct Answer: A
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Question 7
Which of the following allows the transfer of isolated applications to multiple environments?
Correct Answer: A
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Question 8
A user needs a report that shows the main causes of customer churn rate in a three-year period.
Which of the following methods provides this information?
Which of the following methods provides this information?
Correct Answer: D
Question 9
A data analyst receives four files that need to be unified into a single spreadsheet for further analysis. All of the files have the same structure, number of columns, and field names, but each file contains different values. Which of the following methods will help the analyst convert the files into a single spreadsheet?
Correct Answer: A
Question 10
Which of the following best enables the retrieval and manipulation of data that is stored in a relational database?
Correct Answer: C
Question 11
A business intelligence analyst is creating an employee retention dashboard that looks at data from the last five years. The analyst is interested in identifying patterns that can be studied further. Which of the following is the best method to apply to the dashboard?
Correct Answer: D
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).