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 Mar 3, 2026.

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Question No. 1

The values 'High', 'Medium', and 'Low' are identified as common values for multiple picklists across different objects.

What is an approach a developer can take to streamline maintenance of the picklists and their values, while also restricting the values to the ones mentioned above?

ACreate the Picklist on each object and use a Global Picklist Value Set containing the values.

BCreate the Picklist on each object as a required field and select 'Display values alphabetically, not in the order entered'.

CCreate the Picklist on each object and add a validation rule to ensure data integrity.

DCreate the Picklist on each object and select 'Restrict picklist to the values defined in the value set'.

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Correct Answer: A

Question No. 2

Which Apex class contains methods to return the amount of resources that have been used for a particular governor, such as the number of DML statements?

AOrgLimits

BLimits

CMessaging

DException

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Correct Answer: B

Question No. 3

A developer wrote Apex code that calls out to an external system using REST API.

How should a developer write the test to prove the code is working as intended?

AWrite a class that implements HTTPcalloutMock.

BWrite a class that extends webserviceloo.

CWrite a class that implements webservicemock.

DWrite a class that extends HTTPcalloutMock.

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Correct Answer: A

Question No. 4

Which two operations affect the number of times a trigger can fire?

Choose 2 answers

ACriteria-based sharing calculations

BEmail messages

CRoll-up summary fields

DAfter-save record-triggered flow

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Correct Answer: C, D

Question No. 5

A developer must implement a CheckPaymentProcessor class that provides check processing payment capabilities that adhere to what is defined for payments in the Payment Processor interface.

Which implementation is correct to use the PaymentProcessor interface class?

AOption A

BOption B

COption C

DOption D

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Correct Answer: C

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