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QUESTION: 111

A developer creates an Apex helper class to handle complex trigger logic. How can the helper class warn users when the trigger exceeds DML governor limits?

By using PageReference.setRedirect() to redirect the user to a custom Visualforce page before the number of DML statements is exceeded.
By using Messaging.sendEmail() to continue toe transaction and send an alert to the user after the number of DML statements is exceeded.
By using AmexMessage.Messages() to display an error message after the number of DML statements is exceeded.
By using Limits.getDMLRows() and then displaying an error message before the number of DML statements is exceeded.

Answer(s): D

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QUESTION: 112

How can a developer avoid exceeding governor limits when using Apex Triggers? (Choose 2)

By using a helper class that can be invoked from multiple triggers
By using Maps to hold data from query results
By using the Database class to handle DML transactions
By performing DML transactions on a list of sObjects.

Answer(s): B,D

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A Hierarchy Custom Setting stores a specific URL for each profile in Salesforce. Which statement can a developer use to retrieve the correct URL for the current user'sprofile and display this on a Visualforce Page?