DA0-002 試験問題を無料オンラインアクセス

A data analyst receives the following sales data for a convenience store:

The analyst needs to provide information on the products that contain chocolate.
Which of the following RegEx should the analyst use to filter the chocolate products?

• A.%Chocolate&
• B.Chocolate!
• C.Chocolate$
• D.#Chocolate#$

A data analyst encounters an issue with new software and a code that they are using. The analyst includes print statements in the code to try to identify the issue, without success. An informal peer review of the code also produces the same result. The analyst confirms that the software is updated to the latest version and compatible with the code. Which of the following troubleshooting steps should the analyst take next?

• A.Escalate to the department manager and ask for assistance.
• B.Contact the IT department and inform them that the software has a bug.
• C.Use the old software and preexisting code, since both were functional.
• D.Research the issue online and see if a solution is available.

A data analyst is working on a three-year project to deliver sales reports on a monthly basis. The client wants a thorough analysis into customer profiles for a specific region and month. Which of the following delivery methods best fulfills this request?

• A.Dashboard
• B.Ad hoc
• C.Self-service
• D.Dynamic

Which of the following data integration concepts should be used if only new data is being added to a table since the previous load?

• A.Delta load
• B.Application programming interface
• C.Extract, transform, load
• D.Extract, load, transform

A data analyst notices that a certain field that stores customer IDs in a defined format has incorrect values. Which of the following could help the analyst identify the issue?

• A.Redundancy
• B.Validation
• C.Completeness
• D.Outliers