(A) Completing a transaction
(B) Performing a search query on Bing
(C) Purchasing a product or service
(D) Filling out a registration form
(E) Viewing an ad
A Conversion is defined as a completed activity that brings some kind of success to your business. So, according to this definition, the customer actions that can be defined as conversions are Completing a Transaction( you earn money), Purchasing a product or service( you make money), and Filling out a registration form(you get the email address).
This question is a part of the Microsoft Advertising Certified Professional exam. You can find all the answers with full explanation for this exam in our Microsoft Advertising Certified Professional Exam Answers page.