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 23 of 31.

Question 275: The total values in this month's revenue report are twice as much as last month's. Which of the following most likely occurred during the ETL process?
Question 276: A data engineer is creating a database field to capture whether a customer likes vanilla ice cream. Which of the following data types is the best to capture th…
Question 277: A data analyst has a set of data that shows the number of gallons of oil produced each day. The company would like to know the standard deviation for the data…
Question 279: An analyst wants to combine two data sets into a single spreadsheet. Column names from the first spreadsheet are listed in rows in the second spreadsheet. Whic…
Question 280: Which of the following programming languages are best suited for analysis and machine-learning applications? (Choose two.)
Question 281: A company notifies its employees that emails will be automatically moved to a cloud-based server in 180 days. Which of the following describes this concept?
Question 282: An analyst wants to check the progress and performance regarding the number of customers an organization served in the last six years. Which of the following r…
Question 283: A reporting analyst is creating a dashboard that shows the year-over-year performance for a sales organization. Which of the following is the best visual for t…
Question 284: Which of the following query statements would be used when filtering data in a relational database management system? (Choose two.)
Question 285: Which of the following is an object associated with a table that sorts and stores table row data in a key-value pair?