Free DEX-450 Exam braindumps download (DEX-450 exam dumps Free)

QUESTION: 51

A developer is asked to set a picklist field to `Monitor' on any new Leads owned by a subnet of Users.
How should the developer implement this request?

Create an after insert Lead trigger.
Create a before insert Lead trigger.
Create a Lead Workflow Rule Field Update.
Create a Lead formula field.

Answer(s): C

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QUESTION: 52

Why would a developer consider using a custom controller over a controller extension?

To increase the SOQL query governor limits.
To implement all of the logic for a page and bypass default Salesforce functionality
To leverage built-in functionality of a standard controller
To enforce user sharing settings and permissions

Answer(s): B

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QUESTION: 53

A developer wants to override a button using Visualforce on an object.
What is the requirement?

The controller or extension must have a PageReference method.
The standardController attribute must be set to the object.
The action attribute must be set to a controller method.
The object record must be instantiated in a controller or extension.

Answer(s): B

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A lead object has a custom field Prior_Email__c. The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is changed:

Which type of exception will this trigger cause?