Certified Platform Developer Exam Questions PDF download

QUESTION: 56 Topic: 1, Exam Pool A

When is an Apex Trigger required instead of a Process Builder Process?

When a record needs to be created
When multiple records related to the triggering record need to be updated
When a post to Chatter needs to be created
When an action needs to be taken on a delete or undelete, or before a DML operation is executed.

Answer(s): D

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QUESTION: 57 Topic: 1, Exam Pool A

How should a developer avoid hitting the governor limits in test methods?

Use @TestVisible on methods that create records.
Use Test.loadData() to load data from a static resource.
Use @IsTest (SeeAllData=true) to use existing data.
Use Test.startTest() to reset governor limits.

Answer(s): D

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QUESTION: 58 Topic: 1, Exam Pool A

A developer encounters APEX heap limit errors in a trigger.
Which two methods should the developer use to avoid this error? (Choose two.)

Use the transient keyword when declaring variables.
Query and store fields from the related object in a collection when updating related objects.
Remove or set collections to null after use.
Use SOQL for loops instead of assigning large queries results to a single collection and looping through the collection.

Answer(s): A,D

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QUESTION: 59 Topic: 1, Exam Pool A

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: 60 Topic: 1, Exam Pool A

A Visualforce page is required for displaying and editing Case records that includes both standard and custom functionality defined in an Apex class called myControllerExtension.
The Visualforce page should include which <apex:page> attribute(s) to correctly implement controller functionality?

controller="Case" and extensions="myControllerExtension"
extensions="myControllerExtension"
controller="myControllerExtension"
standardController="Case" and extensions="myControllerExtension"

Answer(s): D

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Salesforce Certified Platform Developer DEV-450 Exam Questions in PDF

Free Salesforce DEV-450 Dumps Questions (page: 12)

QUESTION: 56 Topic: 1, Exam Pool A

QUESTION: 57 Topic: 1, Exam Pool A

QUESTION: 58 Topic: 1, Exam Pool A

QUESTION: 59 Topic: 1, Exam Pool A

QUESTION: 60 Topic: 1, Exam Pool A