CompTIA Data+ (DA0-001) Free Practice Exam Questions

302 real CompTIA Data+ (DA0-001) exam questions with answers and AI explanations. CompTIA certification prep — page 15 of 31.

1. Question 185: Which of the following descriptive statistical methods are measures of central tendency? (Choose two.)
2. Question 186: Which of the following is an example of PII?
3. Question 187: In comparison to other data types, which of the following can hold a mix of numbers and letters?
4. Question 188: Which of the following is a control measure for preventing a data breach?
5. Question 189: A data analyst needs to create a dashboard using the company’s yearly revenue data sets. Which of the following would be the best way to plot the information t…
6. Question 190: A human resources analyst needs to build a new visualization to highlight the company’s hierarchy. Which of the following would be the best way to do this?
7. Question 193: An organization would like to add a secondary email field to its customer database in order to enrich the customer profiles. Which of the following data manipu…
8. Question 194: Which of the following are reasons to conduct data cleansing? (Choose two).
9. Question 195: Which of the following query optimization techniques involves examining only the data that is needed for a particular task?
10. Question 196: Which of the following techniques is used to quantify data?