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DEX-450 PDF DEMO:

QUESTION NO: 1
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: 2
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: 3
To which data type in Apex a currency field automatically assigned?
A. Integer
B. Double
C. Currency
D. Decimal
Answer: D

QUESTION NO: 4
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

QUESTION NO: 5
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

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Updated: May 28, 2022

DEX-450 Reliable Exam Tips - Salesforce DEX-450 Study Material - 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 10, 2025
Total Q&As:202
Salesforce DEX-450 Valid Test Format

  Free Download


 

PC Testing Engine

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 10, 2025
Total Q&As:202
Salesforce DEX-450 Exam Materials

  Free Download


 

Online Testing Engine

Exam Code: DEX-450
Exam Name: Programmatic Development using Apex and Visualforce in Lightning Experience
Updated: June 10, 2025
Total Q&As:202
Salesforce DEX-450 Reliable New Test Format

  Free Download


 

DEX-450 Study Test

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