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

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?

A null reference exception
A compile time exception
A DML exception
A limit exception when doing a bulk update

Answer(s): C

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QUESTION: 55

How should a developer create a new custom exception class?

public class CustomException extends Exception{}
CustomException ex = new (CustomException)Exception();
public class CustomException implements Exception{}
(Exception)CustomException ex = new Exception();

Answer(s): A

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QUESTION: 56

Which two number expressions evaluate correctly? (Choose two.)

Double d = 3.14159;
Integer I = 3.14159;
Decimal d = 3.14159;
Long l = 3.14159;

Answer(s): A,C

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