Most Recent Salesforce DEX-450 Exam Dumps

Prepare for the Salesforce Build Applications Programmatically on the Salesforce Platform exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Salesforce DEX-450 exam and achieve success.

The questions for DEX-450 were last updated on Apr 1, 2025.

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Question No. 1

Since Aura application events follow the traditional publish-subscribe model, which method is used to fire an event?

Afire()

BSegdetesEvent (}

CFireEvent()

Demit()

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Correct Answer: A

Question No. 2

Universal Containers has a Visualforce page that displays a table of every Container__c being rented by a given Account. Recently this page is failing with a view state limit because some of the customers rent over 10,000 containers.

What should a developer change about the Visualforce page to help with the page load errors?

AImplement pagination with an OffsetController.

BImplement pagination with a StandardSetController.

CUse JavaScript remoting with SOQL Offset.

DUse lazy loading and a transient List variable.

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Correct Answer: B

Question No. 3

Consider the following code snippet:

Given the multi-tenant architecture of the Salesforce platform, what is a best practice a developer should implement and ensure successful execution of the method?

AAvoid using variables as query filters.

BAvoid returning an empty List of records.

CAvoid performing queries inside for loops.

DAvoid executing queries without a limit clause.

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Correct Answer: C

Question No. 4

A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.

Which three statements are useful inside the unit test to effectively test the custom controller?

Choose 3 answers

AString nextPage = controller.save().getUrl ();

BApexPages.currentPage ().getParametera(}.put{'input', 'TeatValue');

Cinsert pageret;

Dpublic Extendedcontroller (ApexPages.Standardcontraller entrl) { }

ETest. setCurrentPage (pageRef) ;

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Correct Answer: A, B, E

Question No. 5

What should a developer use to script the deployment and unit test execution as part of continuous integration?

AVS Code

BExecute Anonymous

CSalesforce CLI

DDeveloper Console

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Correct Answer: C

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