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DEX-450 PDF DEMO:

QUESTION NO: 1
A developer writes a before insert trigger.How can the developer access the incoming records in the trigger body?
A. By accessing the Trigger.newMap context variable.
B. By accessing the Tripper.newList context variable.
C. By accessing the Trigger.newRecords context variable.
D. By accessing the Trigger.new context variable.
Answer: D

QUESTION NO: 2
A Visual Flow uses an apex Action to provide additional information about multiple Contacts, stored in a custom class, contactInfo. Which is the correct definition of the Apex method that gets additional information?
A. @invocableMethod(label)='Additional Info')
public static List<ContactInfo> getInfo(List<Id> contactIds)
{ /*Implementation*/ }
B. @InvocableMethod(Label='additional Info')
public ContactInfo(Id contactId)
{ /*implementation*/ }
C. @InvocableMethod(label='additional Info')
public static ContactInfo getInfo(Id contactId)
{ /*implementation*/ }
D. @InvocableMethod(label='Additional Info')
public List<ContactInfo> getInfo(List<Id> contactIds)
{ /*implementation*/ }
Answer: A

QUESTION NO: 3
A developer wrote Apex code that calls out to an external system. How should a developer write the test to provide test coverage?
A. Write a class that implements the WebserviceMock interface.
B. Write a class that extends WebserviceMock
C. Write a class that extends HTTPCalloutMock.
D. Write a class that implements the HTTPCalloutMock interface.
Answer: D

QUESTION NO: 4
To which data type in Apex a currency field automatically assigned?
A. Integer
B. Double
C. Currency
D. Decimal
Answer: D

QUESTION NO: 5
A Visualforce page uses the Contact standard controller. How can a developer display the
Name from the parent Account record on the page?
A. Use SOQL syntax to find the related Accounts Name field.
B. Use additional Apex logic within the controller to query for the Name field.
C. Use the (!contact.Account.Name) merge field syntax.
D. Use an additional standard controller for Accounts.
Answer: C

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Updated: May 28, 2022

DEX-450 Pass4Sure Exam Prep - DEX-450 New Study Questions Ppt & Programmatic Development Using Apex And Visualforce In Lightning Experience

PDF Questions & Answers

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 09, 2025
Total Q&As:202
Salesforce Reliable Test DEX-450 Study Guide

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PC Testing Engine

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 09, 2025
Total Q&As:202
Salesforce Online DEX-450 Tests

  Free Download


 

Online Testing Engine

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 09, 2025
Total Q&As:202
Salesforce New DEX-450 Test Papers

  Free Download


 

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