Online Access Free DA0-001 Practice Test

Joe. an analyst. tests the loading time on a dashboard he is preparing to go live and finds it is slower than he would like. Which of the following must occur to decrease the loading time?

• A.Change the field definitions.
• B.Deploy the dashboard to production.
• C.Optimize the dashboard.
• D.Update the dashboard subscribers.

A data analyst has received a data set that contains actual and projected sales for the fourth quarter of 2019.
Which of the following statistical methods should the analyst use to find the measure of dispersion?

• A.Mean
• B.Confidence interval
• C.Correlation
• D.Variance

Which of the following can be used to translate data into another form so it can only be read by a user who has a key or a password?

• A.Data protection.
• B.Data transmission.
• C.Data encryption.
• D.Data masking.

Given the following table:

Which of the following methods is the best way to describe the changes in the values in the table?

• A.Average
• B.Range
• C.Median
• D.Standard deviation

A data analyst needs to create a master file that includes customer information from the tables below:

Given the three tables above, the analyst wants to filter down the information prior to joining it together. In which of the following orders should this data manipulation bo approached for the most efficient result?

• A.Append, deduplicate, merge
• B.Merge, deduplicate, append
• C.Merge, append, deduplicate
• D.Deduplicate, append, merge