Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning
Updated: May 11, 2024
Q&As: 456
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What are two ways a developer can get the status of an enquered job for a class that queueable interface? Choose 2 answers
A. View the apex status Page
B. View the apex flex Queue
C. View the apex Jobs page (Missed)
D. Query the AsyncApexJobe object (Missed)
A developer created a helper class with a method that can be called from Visualforce pages, web services, triggers, and of even anonymous code. When the method is called from a trigger, the developer needs to execute logic that should not be executed If the method Is called from anywhere else. How can the developer determine if the code Is executed in a trigger context?
A. Check if System.executionContext =='Trigger'.
B. Use the executeOnTrigger annotation on the method definition.
C. Check if Trigger.isExecuting ==true
D. Check if Trigger.newMap !=null.
What is the result when a Visualforce page calls an Apex controller, which calls another Apex class, which then results in hitting a governor limit?
A. Any changes up to the error are saved.
B. Any changes up to the error are rolled back.
C. All changes before a savepoint are saved.
D. All changes are saved in the first Apex class.
What can a developer use to determine if the core Apex code exceeds any governor limits in a test class during bulk execution?
A. Limits, startTest, stopTest
B. Test.getDmlStatements()
C. @TestSetup.
D. @TestVisible
On a Visualforce page with a custom controller, how should a developer retrieve a record by using an ID that is passed on the URL?
A. Use the constructor method for the controller.
B. Use the $Action.View method in the Visualforce page.
C. Create a new PageReference object with the Id.
D. Use the tag in the Visualforce page.
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