Which approach can be taken to meet this requirement?

Universal Containers wants to ensure that when an opportunity stage is Closed Lost the reason is captured in a custom Reason Lost field before the record can be saved.

Which approach can be taken to meet this requirement?
A . Create a workflow rule that fires on the Closed Lost stage and populates the Reason Lost field.
B . Create a validation rule that requires Reason Lost to be populated once the opportunity stage is Closed Lost.
C . Create a trigger that requires Reason Lost to be populated once the opportunity stage is Closed Lost.
D . Create a page layout for Closed Lost opportunities and make Reason Lost a required field.

View Answer

Answer: B