Best Preparations of PDII Exam 2026 Salesforce Developers Unlimited 163 Questions [Q17-Q39] – IT Certification Exam Questions & Answers

NO.17 Consider the following code snippet:
How should <c-order> component communicate to the <c-order-order> component that an order has been selected by the user?

Created and fire an application event.

Create and fire a standard DOM event.

Create and fire a component event.

Create and dispatch a custom event

NO.18 Refer to the test method below:

An external system with Account information and sets the Account’s Integration- Updated___ c checkbox to True when it completes.
The test fails to execute and exits with an error: “Methods defined as TestMethod do not support Web service callouts.” What is the optimal way to fix this?

Add if (‘Test.isRunningTest I)) around calloutUtil.sendAccountUpdate.

Add Test.startTest ()before and Test.stopTest () after CallcutoutUtil. sendAccoutUpdate.

Add Test.startTest before and Test.setMock and Test. stoptest () after CallloutUtil.sendAccountUpdate.

Add Test.startTest() and Test .setMock before and Test.stopTest () after CalloutUtil.sendAccountUpdate.

NO.19 Which technique can run custom logic when a Lightning web component is loaded?

Use an <aura:handler> init event to call a function.

Use the randersd loack { } method.

Call 52. engqueusiction and pass in the method to call.

Use the connectedCallback { } method.

NO.20 A developer is writing a Visualforce page to display a list of all of the checkbox fields found on a custom object.
What is the recommended mechanism the developer should use to accomplish this?

Schema Class

Apex API

Schema Builder

Metadata API

NO.21 After a platform event is defined in a Salesforce org, events can be published via which mechanism?

External Apps require the standard Streaming API.

Internal Apps can use outbound messages.

External Apps use an API to publish event messages.

Internal Apps can use entitlement processes.

NO.22 Refer to the test method below”

The test method calls a web service that updates an external system with Account information and sets the Accounts integration_Updated__c checkbox to True when it completes.
The test fails to execute and exits with an error: “Methods defined as TestMethod do not support Web service callouts.”

NO.23 A Lightning web component exists in the system and displays information about the record in context as a modal. Salesforce administrators need to use this component within the Lightning App Builder.
Which two settings should the developer configure within the xml resource file?
Choose 2 answers

Set the IsExposed attribute to True.

Set the IsVisible attribute to True.

Specify the target to be lightning__RecordPage.

Specify the target to be lightning__AppPage.

NO.24 A developer is trying to decide between creating a Visualforce component or a Lightning component for a custom screen. Which functionality consideration impacts the final decision?

Does the screen need to be accessible from the Lightning Experience UI?

Will the screen make use of a JavaScript framework?

Does the screen need to be rendered as a PDF?

Will the screen be accessed via a mobile app?

NO.25 How can a developer efficiently incorporate multiple JavaScript libraries in an Aura component?

Use JavaScript remoting and script tags.

Use CDNs with script attributes.

Implement the libraries in separate helper files.

Join multiple assets from a static resource.

NO.26 A developer created a Lightning web component for the Account record page that displays the five most recently contacted Contacts for an Account. The Apex method, getRecentContacts, returns a list of Contacts and will be wired to a property in the component.

Which two lines must change in the above ode to make the Apex method able to be wired?
Choose 2 answers

Add AuraEnanled(cacheabletrue) to the line 08

Remove private from line 09.

Add @AuraEnabled (cacheabletrue) to line 03.

Add public to line 04.

NO.27 Refer to the exhibit

Users of this Visualforce page complain that the page does a full refresh every time the Search button Is pressed.
What should the developer do to ensure that a partial refresh Is made so that only the section identified with opportunity List is re-drawn on the screen?

Enclose the DATA table within the <apex:actionRegion> tag.

Implement the render attribute on the <apex:ccxmandButton> tag.

Ensure the action method search returns null.

Implement the <apex:actionfunction> tag with immediate = true.

NO.28 A developer has created, Lightning web component that uses the get Record wire adapter.
Which three things should the developer do in a test validate the wire method is working as expected?
Choose 3 answer

Import wire from 1w.

Create a JSOM file with mock data.

Use the emit () API.

Use an assert statement to validate results.

Import getRecord from Lightning/uiRecordAPi.

NO.29 Refer to the component code and requirements below:

NO.30 Universal Containers ne=ds to integrate with several external systems. The process Is Initiated when a record Is created in Salesforce, The remote systems do not require Salesforce to wait for a response before continuing.
What is the recommended best solution to accomplish this?

PushTopic event

Qutbound message

Trigger with HTTP callout

Platform event

NO.31 What is the transaction limit for the number of DML statements allowed?

20

2,000

100 (synchronous), 200 (async)

200 (synchronous), 100 (async)

150

NO.32 A company has code to update a Request and Request Lines and make a callout to their external ERP system’s REST endpoint with the updated records.

The callousUtil.makeRestCallout fails with a “You have uncommitted work pending. Please commit or rollback before calling cut’ error.
What should be done to address the problem?

Change the callousUtil makeRestCallout to an @InvocsblsMethod method.

Remove the Database. setSavepoint and Database. rollback.

Change the CallousUtill .makeRestCallout to an @future method.

NO.33 The Salesforce admin at Cloud Kicks created a custom object called Region__c to store all postal zip codes in the United States and the Cloud Kicks sales region the zip code belongs to.
Object Name: Region__c
Fields: Zip_Code__c (Text), Region_Name__c (Text)
Cloud Kicks wants a trigger on the Lead to populate the Region based on the Lead’s zip code. Which code segment is the most efficient way to fulfill this request?1234

5678
Java
Set<String> zips = new Set<String>();
for(Lead l : Trigger.new) {
if(l.PostalCode != Null) {
zips.add(l.PostalCode);
}
}
for(Lead l : Trigger.new) {
List<Region__c> regions = [SELECT Zip_Code__c, Region_Name__c FROM Region__c WHERE Zip_Code__c IN :zips]; for(Region__c r : regions) { if(l.PostalCode == r.Zip_Code__c) {

Region__c = r.Region_Name__c;
}
}
}

Java
Set<String> zips = new Set<String>();
for(Lead l : Trigger.new) {
if(l.PostalCode != Null) {
zips.add(l.PostalCode);
}
}
List<Region__c> regions = [SELECT Zip_Code__c, Region_Name__c FROM Region__c WHERE Zip_Code__c IN :zips]; for(Lead l : Trigger.new) { for(Region__c r : regions) { if(l.PostalCode == r.Zip_Code__c) {

Region__c = r.Region_Name__c;
}
}
}

Java
for(Lead l : Trigger.new) {
Region__c reg = [SELECT Region_Name__c FROM Region__c WHERE Zip_Code__c = :l.
PostalCode];

Region__c = reg.Region_Name__c;
}

Java
Set<String> zips = new Set<String>();
for(Lead l : Trigger.new) {
if(l.PostalCode != Null) {
zips.add(l.PostalCode);
}
}
List<Region__c> regions = [SELECT Zip_Code__c, Region_Name__c FROM Region__c WHERE Zip_Code__c IN :zips]; Map<String, String> zipMap = new Map<String, String>(); for(Region__c r : regions) { zipMap.put(r.Zip_Code__c, r.Region_Name__c);
}
for(Lead l : Trigger.new) {
if(l.PostalCode != Null) {

Region__c = zipMap.get(l.PostalCode);
}
}

NO.34 A company has a custom object, Sales Demo Request, that has a lookup to an Opportunity. It is required that a Sales Demo Request record be created when an Opportunity’s Probability is greater than 50%.
What is the optimal way to automate this?

Use an Apex Trigger on Opportunity.

Build a Flow on Opportunity.

Create a Workflow on Opportunity.

Build a Process on Opportunity.

NO.35 A developer creates a Lightning web component to allow a Contact to be quickly entered- However, error messages are not displayed.

Which component should the developer add to the form to display error messages?

apex:messages

aura:messages

lightning-messages

lightning-error

NO.36 Which method should be used to convert a Date to a String in the current user’s locale?

String.format

Date.paras

Date. format

String.valueof

NO.37 Refer to the following code snippet:
Java
public class LeadController {
public static List<Lead> getFetchLeadList(String searchTerm, Decimal aRevenue) { String safeTerm = ‘%’+searchTerm.escapeSingleQuotes()+ ‘%’; return [ SELECT Name, Company, AnnualRevenue FROM Lead WHERE AnnualRevenue >= :aRevenue AND Company LIKE :safeTerm LIMIT 20
];
}
}
A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling getFetchLeadList when certain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security?1

Use the WITH SECURITY_ENFORCED clause within the SOQL query.

Implement the with sharing keyword in the class declaration.567

Annotate 8the Apex method with @AuraEnabled(Cacheable=true).

Implement the without sharing keyword in the class declaration.

Annotate the Apex method with @AuraEnabled.

NO.38 A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow. What can a developer do to address the issue?

Turn off triggers, flows, and validations when running tests.

Move the prerequisite reference data setup to the constructor for the test class.

Move the prerequisite reference data setup to a @testSetup method in the test class.

Move the prerequisite reference data setup to a TestDataFactory and call that from each test method.

NO.39 An org has a requirement that an Account must always have one and only one Contact listed as Primary. So selecting one Contact will de-select any others. The client wants a checkbox on the Contact called ‘Is Primary’ to control this feature.
The client also wants to ensure that the last name of every Contact is stored entirely in uppercase characters.
What is the optimal way to implement these requirements?

Write a Validation Rule on the Contact for the Is Primary logic and a before update trigger on Contact for the last name logic.

Write an after update trigger on Contact for the Is Primary logic and a separate before update trigger on Contact for the last name logic.

Write a single trigger on Contact for both after update and before update and callout to helper classes to handle each set of logic.

Write an after update trigger on Account for the Is Primary logic and a before update trigger on Contact for the last name logic.