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PDI Practice Exam Questions and Answers

Platform Developer I (WI24)

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Total Questions : 235

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Question # 1

A developer observes that an Apex test method fails in the Sandbox. To identify the issue, the developer copies the code inside the test method and executes it via the Execute Anonymous tool in the Developer Console. The code then executes with no exceptions or errors. Why did the test method fail in the sandbox and pass in the Developer Console?

Options:

A.  

The test method has a syntax error in the code.

B.  

The test method relies on existing data in the sandbox.

C.  

The test method is calling an @future method.

D.  

The test method does not use System.runAs to execute as a specific user.

Discussion 0
Question # 2

A developer must provide custom user interfaces when users edit a Contact in either Salesforce Classic or Lightning Experience.

What should the developer use to override the Contact's Edit button and provide this functionality?

Options:

A.  

A Visualforce page in Salesforce Classic and a Lightning component in Lightning Experience

B.  

A Lightning component in 5alesforce Classic and a Lightning component in lightning Experience

C.  

A Visualforce page in Salesforce Classic and a Lightning page in Lightning Experience

D.  

A Lightning page in Salesforce Classic and a Visualforce page in Lightning Experience

Discussion 0
Question # 3

A developer wants to improve runtime performance of Apex calls by caching result on the client.

What is the most efficient way to implement this and follow best practices?

Options:

A.  

Decorate the server-side method with @AuraEnabled (total-true).

B.  

Call the setStoeable () method on the action in the javaScript client-sidecode.

C.  

Decorate the server-side method with @AuraEnabled (cacheable-true.

D.  

Set a ciikie in the browser for use upon return to the page.

Discussion 0
Question # 4

A company has a custom object, Sales, }_Help_Request__c, that has a Lookup relationship to Opportunity. The Seles Help Request__c has a mumber field, Number_ct_Hours__c, that represents the amount of time spent on the Sales_Help Request__

C.  

A developer is tasked with creating a field, total_Hour2__c, on Opportunity that should be the sum of all of the Number_of_Hours_c values for the Sales_Help_Request__c records related to that Opportunity.

What should the developer use to implement this?

Options:

A.  

A roll-up summary field on the sales Help_Request__c object

B.  

A trigger on the Opportunity object

C.  

A roll-up summary field on the Opportunity object

D.  

A record-triggered flow on the Sales Help Request__c object

Discussion 0
Question # 5

What should be used to create scratch orgs?

Options:

A.  

Developer Console

B.  

Salesforce CLI

C.  

Workbench

D.  

Sandbox refresh

Discussion 0
Question # 6

A custom picklist field, Food_Preference__c, exist on a custom object. The picklist contains the following options: 'Vegan','Kosher','No Preference'. The developer must ensure a value is populated every time a record is created or updated. What is the most efficient way to ensure a value is selected every time a record is saved?

Options:

A.  

Set "Use the first value in the list as the default value" as True.

B.  

Set a validation rule to enforce a value is selected.

C.  

Mark the field as Required on the field definition.

D.  

Mark the field as Required on the object's page layout.

Discussion 0
Question # 7

What are three characteristics of change set deployments?

Choose 3 answers

Options:

A.  

Change sets can only be used between related organizations.

B.  

Change sets can be used to transfer records.

C.  

Sending a change set between two orgs requires a deployment connection.

D.  

Change sets can deploy custom settings data.

E.  

Deployment is done in a one-way, single transaction.

Discussion 0
Question # 8

Which two are best practices when it comes to component and application event handling? (Choose two.)

Options:

A.  

Reuse the event logic in a component bundle, by putting the logic in the helper.

B.  

Use component events to communicate actions that should be handled at the application level.

C.  

Handle low-level events in the event handler and re-fire them as higher-level events.

D.  

Try to use application events as opposed to component events.

Discussion 0
Question # 9

Consider the following code snippet:

Question # 9

Given the multi-tenant architecture of the Salesforce platform, what Is a best practice a developer should Implement and ensure successful execution of the method?

Options:

A.  

Avoid executing queries without a limit clause.

B.  

Avoid returning an empty List of records.

C.  

Avoid using variables as query filters.

D.  

Avoid performing queries inside for loops.

Discussion 0
Question # 10

Ursa Major Solar has a custom object, serviceJob-o, with an optional Lookup field to Account called partner-service-Provider_c.

The TotalJobs-o field on Account tracks the total number of serviceJob-o records to which a partner service provider Account is related.

What is the most efficient way to ensure that the Total job_o field kept up to data?

Options:

A.  

Change TotalJob_o to a roll-up summary field.

B.  

Create a record-triggered flow on ServiceJob_o.

C.  

Create an Apex trigger on ServiceJob_o.

D.  

Create a schedule-triggered flow on ServiceJob_o.

Discussion 0
Question # 11

A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.

What two things should be done to create the test data within the unit test with the least amount of code? Choose 2 answers

A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.

What two things should be done to create the test data within the unit test with the least amount of code?

Choose 2 answers

Options:

A.  

Use the @isTest(isParallel=true) annotation in the test class.

B.  

Use Test.loadData to populate data in your test methods.

C.  

Use the @isTest(seeAllData=true) annotation in the test class.

D.  

Create a static resource containing test data.

Discussion 0
Question # 12

What are three considerations when using the @InvocableMethod annotation in Apex?

Choose 3 answers

Options:

A.  

A method using the @InvocableMethod annotation must define a return value.

B.  

A method using the @InvocableMethod annotation can have multiple input parameters.

C.  

A method using the @InvocableMethod annotation must be declared as static

D.  

A method using the @InvocableMethod annotation can be declared as Public or Global.

E.  

Only one method using the @InvocableMethod annotqation can be defined per Apex class.

Discussion 0
Question # 13

A developer has identified a method in an Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a DML statement to save the changes to the datadase.

Which two techniques should the developer implement as a best practice to ensure transaction control and avoid exceeding governor limits?

Choose 2 answers

Options:

A.  

Use partial DML statements to ensure only valid data is committed.

B.  

Use the System,Limit classto monitor the current CPU governor limit consumption.

C.  

Use the Database,Savepoint method to enforce database integrity.

D.  

D.  

Use the Reedonly annotation to bypass the number of rows returned by a SOQL.

Discussion 0
Question # 14

How does the Lightning Component framework help developers implement solutions faster?

Options:

A.  

By providing an Agile process with default steps

B.  

By providing code review standards and processes

C.  

By providing device-awareness for mobile and desktops

D.  

By providing change history and version control

Discussion 0
Question # 15

When importing and exporting data into Salesforce, which two statements are true?

Choose 2 answers

Options:

A.  

Bulk API can be used to import large data volumes in development environments without bypassing the storage limits.

B.  

Bulk API can be used to bypass the storage limits when importing large data volumes in development environments.

C.  

Developer and Developer Pro sandboxes have different storage limits.

D.  

Data import wizard is a client application provided by Salesforce.

Discussion 0
Question # 16

A developer created these three Rollup Summary fields in the custom object, Project_ct,

Question # 16

The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.

Which should the developer use to Implement the business requirement in order to minimize maintenance overhead?

Options:

A.  

Record-triggered Flow

B.  

Formula field

C.  

Apex Trigger

D.  

Process Builder

Discussion 0
Question # 17

A developer wants to get access to the standard price book in the org while writing a test class that covers an OpportunityLineItem trigger. Which method allows access to the price book?

Options:

A.  

Use Test.loadData ( )and a static resource to load a standard price book

B.  

Use @TestVisible to allow the test method to see the standard price book.

C.  

Use Test,getStandardPricebookid ( ) to get the standard price book I

D.  

D.  

Use @IsTest (SeeAllData=True) and delete the existing standard price book

Discussion 0
Question # 18

A developer at Universal Containers is taked with implementing a new Salesforce application that bwill be maintained completely by their company’s Salesforce admiknistrator.

Which two options should be considered for buildig out the business logic layerof the application?

Chosse 2 answer

Options:

A.  

Validation Rules

B.  

Record-Triggered flows

C, Scheduled

C.  

Unvocable Moorche2023-06-13T14:55:00.17

Actions

Discussion 0
Question # 19

Which two scenarios require an Apex method to be called imperatively from a Lightning web component?

Choose 2 answer

Options:

A.  

Calling a method that makes a web service callout

B.  

Calling a method that is not annotated with cacheable-true

C.  

Calling a method with the click of a button

D.  

Calling a method that is external to the main controller for the Lightning web component

Discussion 0
Question # 20

A developer created these three Rollup Summary fields in the custom object, Project__c:

Question # 20

The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.

Which should the developer use to implement the business requirement in order to minimize maintenance overhead?

Options:

A.  

Record-triggered flow

B.  

Formula field

C.  

Apex trigger

D.  

Field Update actions

Discussion 0
Question # 21

How should a developer write unit tests for a private method in an Apex class?

Options:

A.  

Use the SeeAllData annotation.

B.  

Add a test method in the Apex class.

C.  

Use the TestVisible annotation.

D.  

Mark the Apex class as global.

Discussion 0
Question # 22

A developer needs to implement a custom SOAP Web Service that is used by an external Web Application. The developer chooses to Include helper methods that are not used by the Web Application In the Implementation of the Web Service Class.

Which code segment shows the correct declaration of the class and methods?

A)

Question # 22

B)

Question # 22

C)

Question # 22

D)

Question # 22

Options:

A.  

Option A

B.  

Option B

C.  

Option C

D.  

Option D

Discussion 0
Question # 23

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Whithin the class, the developer identifies the following method as a security threat: List performSearch(String lastName){ return Database.query('Select Id, FirstName, LastName FROM Contact WHERE LastName Like %'+lastName+'%); } What are two ways the developer can update the method to prevent a SOQL injection attack? Choose 2 answers

Options:

A.  

Use variable binding and replace the dynamic query with a static SOQL.

B.  

Use the escapeSingleQuote method to sanitize the parameter before its use.

C.  

Use a regular expression on the parameter to remove special characters.

D.  

Use the @Readonly annotation and the with sharing keyword on the class.

Discussion 0
Question # 24

A developer created a custom order management app that uses an Apex class. The order is represented by an Order object and an Orderltem object that has a master-detail relationship to Order. During order processing, an order may be split into multiple orders.

What should a developer do to allow their code to move some existing Orderltem records to a new Order record?

Options:

A.  

Change the master-detail relationship to an external lookup relationship.

B.  

Add without sharing to the Apex class declaration.

C.  

Create a junction object between Orderltem and Order.

D.  

Select the Allow reparenting option on the master-detail relationship.

Discussion 0
Question # 25

Universal Containers wants to back up all of the data and attachments in its Salesforce org once month. Which approach should a developer use to meet this requirement?

Options:

A.  

Use the Data Loader command line.

B.  

Create a Schedulable Apex class.

C.  

Schedule a report.

D.  

Define a Data Export scheduled job.

Discussion 0
Question # 26

A developer needs to create a baseline set of data (Account, Contacts, Products, Assets) for an entire suite allowing them to test independent requirements for various types of Salesforce Cases.

Which approach can efficiently generate the required data for each unit test?

Options:

A.  

Use &TestSteup with a void method.

B.  

Create test data before Test.startTest in the unit test.

C.  

Create a mock using the Stub APL.

D.  

Add $ IsTest (seeAllDatatrue) at the start of the unit test class.

Discussion 0
Question # 27

Refer to the code snippet below:

Question # 27

When a Lightning web component is rendered, a list of apportunities that match certain criteria shopuld be retrievved from the database and displayed to the end user.

Which three Considerations must the developer implement to make the Question # 27 method available within the Lightning web component?

Choose 3 answer

Options:

A.  

The method must specify the (cacheable-trun) attribute

B.  

The method must specify the (continuation-true) attribute

C.  

The method must be annotaled with true Invocablemethod annolation

D.  

The method cannot mutate the result set retrieved from the database.

E.  

The method must be annotated with the AureEnabled annolation

Discussion 0
Question # 28

A company wants to implement a new call center process for handling customer service calls. It requires service reps to ask for the caller’s account number before proceeding with the rest of their call script.

Following best practices, what is the optimal approach to satisfy this requirmrnt?

Options:

A.  

Flow Builder

B.  

Approvals

C.  

Apex trigger

D.  

Einstein Next Best Action

Discussion 0
Question # 29

Universal Containers has implemented an order management application. Each Order can have one or more Order Line items. The Order Line object is related to the Order via a master-detail relationship. For each Order Line item, the total price is calculated by multiplying the Order Line item price with the quantity ordered.

What is the best practice to get the sum of all Order Line item totals on the Order record?

Options:

A.  

Roll-up summary field

B.  

Quick action

C.  

Apex trigger

D.  

Formula field

Discussion 0
Question # 30

A developer wants to invoke on outbound message when a record meets a specific criteria.

Which three features satisfy this use case?

Choose 3 answer

Options:

A.  

Approval Process has the capacity to check the record criteria and send an outbound message without Apex Code

B.  

Process builder can be used to check the record criteria and send an outbound message with Apex Code.

C.  

workflows can be used to check the record criteria and send an outbound message.

D.  

Process builder can be used to check the record criteria and send an outbound messagewithout Apex Code.

E.  

Visual Workflow can be used to check the record criteria and send an outbound message without Apex Code.

Discussion 0
Question # 31

When using SalesforceDX, what does a developer need to enable to create and manage scratch orgs?

Options:

A.  

Production

B.  

Dev Hub

C.  

Environment Hub

D.  

Sandbox

Discussion 0
Question # 32

For which three items can a trace flag be configured?

Choose 3 answers

Options:

A.  

Process Builder

B.  

Visualforce

C.  

Apex Class

D.  

Apex Trigger

E.  

User

Discussion 0
Question # 33

What writing an Apex class, a developer warts to make sure thai all functionality being developed Is handled as specified by the requirements.

Which approach should the developer use to be sure that the Apex class is working according tospecification?

Options:

A.  

Create a test class to execute the business logic and run the test in the Developer Console.

B.  

Include a savepoint and Database,rollback.

C.  

Include a try/catch block to the Apex class.

D.  

Run the code in an Execute Anonymous block n the Deceloper Consider.

Discussion 0
Question # 34

Refer to the following Apex code:

Question # 34

What is the value of x when it is written to the debug log?

Options:

A.  

0

B.  

1

C.  

2

D.  

3

Discussion 0
Question # 35

Universal Container wants Opportunities to no longer be editable when itreaches the Closed/Won stage. Which two strategies can a developer use to accomplish this?

Choose2 answer

Options:

A.  

Use a validation

B.  

Use a trigger

C.  

Use an after-save flow.

D.  

Use the Process Automation settings.

Discussion 0
Question # 36

What are three ways for 2 developer to execute tests in an org? Choose 3 answers

Options:

A.  

Metadata APT

B.  

Bulk API

C.  

Setup Menu

D.  

SalesforceDX

E.  

Tooling API

Discussion 0
Question # 37

Universal Containers has a Visualforce page that displays a table of every Container_c. being ……. Is falling with a view state limit because some of the customers rent over 10,000 containers.

What should a developer change about the Visualforce page to help with the page load errors?

Options:

A.  

Use Lazy loading and a transient List variable.

B.  

Use JavaScript remoting with SOQL Offset.

C.  

Implement pagination with an OffsetController.

D.  

Implement pagination with a StandardSetController,

Discussion 0
Question # 38

A Lightning component has a wired property, searchResults, that stores a list of Opportunities. Which definition of the Apex method, to which the searchResults property is wired, should be used?

Options:

A.  

@AuraEnabled(cacheable=true)

public static List search(String term) { /* implementation*/ }

B.  

@AuraEnabled(cacheable=true) public List search(String term) { /*implementation*/ }

C.  

@AuraEnabled(cacheable=false) public static List search(String term) { /*implementation*/ }

D.  

@AuraEnabled(cacheable=false) public List search(String term) { /*implementation*/ }

Discussion 0
Question # 39

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

Discussion 0
Question # 40

The values 'High', 'Medium', and 'Low' are Identified as common values for multiple picklist across different object. What is an approach a developer can take to streamline maintenance of the picklist and their values, while also restricting the values to the ones mentioned above?

Options:

A.  

Create the Picklist on each object and use a Global Picklist Value Set containing the Values.

B.  

Create the Picklist on each object as a required field and select "Display values alphabeticaly, not in the order entered".

C.  

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

D.  

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

Discussion 0
Question # 41

The sales management team at Universal Container requires that the Lead Source field of the Lead record be populated when a.. converted.

What should be done to ensure that a user populates the Lead Source field prior to converting a Lead?

Options:

A.  

Use a formula field.

B.  

Use a validation rule.

C.  

Use Lead Conversation field mapping.

D.  

Create an after trigger on Lead.

Discussion 0
Question # 42

A developer migrated functionality from JavaScript Remoting to a Lightning web component and wants to use the existing getOpportunities() method to provide data.

What to do now?

Options:

A.  

The method must be decorated with (cacheable=true).

B.  

The method must be decorated with @AuraEnabled.

C.  

The method must return a JSON Object.

D.  

The method must return a String of a serialized JSON Array.

Discussion 0
Question # 43

What should a developer do to check the code coverage of a class after running all tests?

Options:

A.  

View the Code Coverage column in the list view on the Apex Classes page.

B.  

View the Class Test Percentage tab on the Apex Class fist view m Salesforce Setup.

C.  

View Use cede coverage percentage for the class using the Overall Code Coverage panel in the Developer Console Tests tab.

D.  

Select and run the class on the Apex Test Execution page in the Developer Console.

Discussion 0
Question # 44

Universal Containers has large number of custom applications that were built using a third-party javaScript framework and exposed using Visualforce pages. The Company wants to update these applications to apply styling that resembles the look and feel of Lightning Experience. What should the developer do to fulfill the business request in the quickest and most effective manner?

Options:

A.  

Incorporate the Salesforce Lightning Design System CSS stylesheet into the JavaScript applications.

B.  

Rewrite all Visualforce pages asLightning components.

C.  

Set the attribute enableLightning to true in the definition.

D.  

Enable Available for Lightning Experience, Lightning Communities, and the mobile app on Visualforce pages used by the custom application.

Discussion 0
Question # 45

A developer Is Integrating with a legacy on-premise SQL database.

What should the developer use to ensure the data being Integrated is matched to the right records in Salesforce?

Options:

A.  

Lookup field

B.  

External ID field

C.  

Formula field

D.  

External Object

Discussion 0
Question # 46

A Salesforce Administrator used Flow Builder to create a flow named ‘’accountOnboarding’’. The flow must be used inside an Aura component.

Which tag should a developer use to display the flow in the component?

Options:

A.  

Lightning-flow

B.  

Aura:flow

C.  

Lightning:flow

D.  

Aura:flow

Discussion 0
Question # 47

What are two use cases for executing Anonymous Apex code? Choose 2 answers

Options:

A.  

To delete 15,000 inactive Accounts In a single transaction after a deployment

B.  

To schedule an Apex class to run periodically

C.  

To run a batch Apex class to update all Contacts

D.  

To add unit test code coverage to an org

Discussion 0
Question # 48

A develop completed modification to a customized feature that is comprised of two elements:

Apex trigger

Trigger handler Apex class

What are two factors that the developer must take into account to properly deploy the modification to the production environment?

Options:

A.  

Apex classes must have at least 75% code coverage org-wide.

B.  

At least one line of code must be executed for the Apex trigger.

C.  

All methods in the test classes must use @isTest.

D.  

Test methods must be declared with the testMethod keyword.

Discussion 0
Question # 49

What should a developer use to script the deployment and unit test execution as part of continuous integration?

Options:

A.  

Developer Console

B.  

Execute Anonymous

C.  

Salesforce CLI

D.  

VS Code

Discussion 0
Question # 50

Cloud Kicks Fitness, an ISV Salesforce partner, is developing a managed package application. One of the application modules allows the user to calculate body fat using the Apex class, BodyFat, and its method, calculateBodyFat(). The product owner wants to ensure this method is accessible by the consumer of the application when developing customizations outside the ISV’s package namespace.

Which approach should a developer take to ensure calculateBodyFat() is accessible outside the package namespace?

Options:

A.  

Declare the class and method using the public access modifier.

B.  

Declare the class as global and use the public access modifier on the method.

C.  

Declare the class as public and use the global access modifier on the method.

D.  

Declare the class and method using the global access modifier.

Discussion 0
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