Higher Test Marks with Free Online DEX-450 Exam Practice

Assess the CertsIQ’s updated DEX-450 exam questions for free online practice of your Programmatic Development using Apex and Visualforce in Lightning Experience (WI25) test. Our DEX450 dumps questions will enhance your chances of passing the Salesforce Platform Developer I certification exam with higher marks.

Question 1

A developer must create an Apex class, contactcontroller, that a Lightning component can

use to search for Contact records. User of the Lightning component should only be able to

search Contact records to which they have access. Which two will restrict the records correctly?

Options :

A : public class ContactController

B : public with sharing class ContactController

C : public without sharing class ContactController

D : public inherited sharing class ContactController

Answer: B,D

Question 2

Which two operations can be performed using a formula field? Choose 2 answers

Options :

A : Displaying the last four digits of an encrypted Social Security number

B : Triggering a Process Builder

C : Displaying an Image based on the Opportunity Amount

D : Calculating a score on a Lead based on the information from another field

Answer: C,D

Question 3

A developer is writing tests for a class and needs to insert records to validate functionality.

Which annotation method should be used to create record for every method in the test class?

Options :

A : @isTest (SeeAllData-true)

B : @FreTest

C : @TestSetup

D : @StartTest

Answer: C

Question 4

A developer is designing a new application on the Salesforce platform and wants to ensure it can support

multiple tenants effectively.

Which design framework should the developer consider to ensure scalability and maintainability?

Options :

A : Flux (view, action, dispatcher, and store)

B : Waterfall Model

C : Agile Development

D : Model-View-Controller (MVC)

Answer: D

Question 5

What is the result of the following code?

Options :

A : The record will not be created and a exception will be thrown.

B : The record will be created and a message will be in the debug log

C : The record will not be created and no error will be reported.

D : The record will be created and no error will be reported.

Answer: C