How can this be achieved?

Universal Containers has setup a picklist dependency between Region and Zone on the Account object. The sales manager has requested that when a user selects a region a zone must also be selected.

How can this be achieved?
A . Make the Zone field required on the page layout.
B . Create a validation rule using ISPICKVAL().
C . Set the default values for both picklist fields.
D . Make both picklist fields required on thefield level.

View Answer

Answer: B