PDII Exam Dumps | A developer is tasked with ensuring that email addresses entered into the system for Contacts and for

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Question 23/90

A developer is tasked with ensuring that email addresses entered into the system for Contacts and for a custom object called survey Response c do not belong to a list of blocked domains.
The list of blocked domains is stored in a custom object for ease of maintenance by users. The survey Response c object is populated via a custom Visualforce page.
What is the optimal way to implement this?

A. Implement the logic in validation rules on the Contact and the Burvey Response_c Objects.

B. Implement the logic in a helper class that is called by an Apex trigger on Contact and from the custom Visualforce page controller.

C. Implement the logic in an Apex trigger on Contact and also implement the logic within the custom Visualforce page controller.

D. Implement the logic in the custom Visualforce page controller and call "that method from an Apex trigger on Contact.

Question 23/90

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