Best Tips To Pass Your Salesforce Platform Developer I PDI Exam

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How to become a Salesforce Platform Developer? The Salesforce Platform Developer I Certification exam is a 60 multiple-choice/multiple-select test, with a passing score of 68%. It covers a broad range of platform, declarative and programmatic topics. Proper Platform Developer I PDI exam questions are required in addition to this in order to achieve a satisfactory result. FreeTestShare PDI exam dumps cover real exam questions and answers to help you prepare for the Platform Developer I exam well. With real PDI dumps, you can learn about the exam topics and pattern fast to better adapt to the exam environment.

You should try Platform Developer I PDI practice test questions to assess yourself.

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1. Which three data types can a SOQL query return? Choose 3 answers

List

Long

Integer

sObject

2. A developer wants to mark each Account in a List<Account> as either or Inactive based on the LastModified field value being more than 90 days.

Which Apex technique should the developer use?

A for loop, with a switch statement inside

A Switch statement, with a for loop inside

An If/else statement, with a for loop inside

A for loop, with an if/else statement inside

3. What is the maximum number of SOQL queries used by the following code? List<Account> aList = [SELECT Id FROM Account LIMIT 5]; for (Account a : aList){ List<Contact> cList = [SELECT Id FROM Contact WHERE AccountId = :a.Id); }

4. What can used to delete components from production?

A change set deployment with the delete option checked

An ant migration tool deployment with destructivechanges xml file and the components to delete in the package .xml file

A change set deployment with a destructivechanges XML file

An ant migration tool deployment with a destructivechanges XML file and an empty package .xml file

5. Universal container wants a list button to display a visualforce page that allows users to edit multiple records which visualforce feature supports this requirement.

Recordsetvar page attribute

6. What can be developed using the Lightning Component framework?

Hosted web applications

Single-page web apps

Dynamic web sites

Salesforce integrations

7. Universal Containers hires a developer to build a custom search page to help user- find the Accounts they want. Users will be able to search on Name, Description, and a custom comments field.

Which consideration should the developer be aware of when deciding between SOQL and SOSL? Choose 2 answers

SOSL is able to return more records.

SOQL is faster for text searches.

SOSL is faster for tent searches.

SOQL is able to return more records.

8. A developer has an integer variable called maxAttempts. The developer meeds to ensure that once maxAttempts is initialized, it preserves its value for the lenght of the Apex transaction; while being able to share the variable's state between trigger executions.

How should the developer declare maxAttempts to meet these requirements?

Declare maxattempts as a member variable on the trigger definition.

Declare maxattempts as a private static variable on a helper class

Declare maxattempts as a constant using the static and final keywords

Declare maxattempts as a variable on a helper class

9. Universal Containers (UC) uses a custom object called Vendor. The Vendor custom object has a Master-Detail relationship with the standard Account object. Based on some internal discussion, the UC administrator tried to change the Master-Detail relationship to a Lookup relationship but was not able to do so.

What is a possible reason that this change was not permitted?

The Account records contain Vendor roll-up summary fields.

The Vendor object must use a Master-Detail field for reporting.

The Vendor records have existing values in the Account object.

The Account object is included on a workflow on the Vendor object.

10. What is the result of the following code snippet?

201 Accounts are inserted.

200 Accounts are inserted.

0 Accounts are inserted.

1 Account is inserted.

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11. Which exception type cannot be caught ?

CalloutException

A custom Exception

NoAccessException

LimitException

12. The Salesforce Administrator created a custom picklist field, Account_status_c, on the a Account object. This picklist has possible values of Inactive’’ and Active?

As part of a new business process, management wants to ensure an opportunity record is created only for Accounts marked as "Active". A developer is asked to implement this business requirement.

Which two automation tools should be used to fulfill the business need?

Choose 2 answers

Salesforce Flow

Approval Process

Process Builder

Workflow Rules

13. Universal Container use a simple order Management app. On the Order Lines, the order line total is calculated by multiplying the item price with the quantity ordered. There is a Master-Detail relationship between the Order and the Order Lines object.

What is the practice to get the sum of all order line totals on the order header?

Roll-Up Summary Field

Apex Trigger

Process Builder

Declarative Roll-Up Summaries App

14. AW Computing (AWC) handles orders In Salesforce and stores Its product Inventory In a fter, inventory__c, on a custom object, Product__c. When en order for a Product__c Is placed, the inventory__c field Is reduced by the quantity of the order using an Apex trigger.

AWC wants the real-time inventory reduction for a product to be sent to many of Its external systems, Including some future systems the company Is currently planning.

What should a developer add to the code at the placeholder to meet these requirements?

A)

Option

15. Which three code lines are required to create a Lightning component on a Visualforce page? Choose 3 answers

$Lightning.createComponent

<apex:slds/>

$Lightning.useComponent

$Lightning.use

<apex:includeLightning/>

16. A custom Visualforce controller calls the ApexPages,addMessage () method, but no messages are rendering on the page.

Which component should be added to the Visualforce page to display the message?

<apex: pageMessages />

<apex: pageMessage severity=”info’’/>

<Apex: facet name=’’ message’’/>

<Apex: message for=’’ info’’/>

17. Which action causes a before trigger to fire by default for Accounts?

Renaming or replacing picklist

Importing data using the Data Loader and the Bulk API

Converting Leads to Contact accounts

Updating addresses using the Mass Address update tool

18. A developer needs to confirm that an Account trigger is working correctly without changing the organization’s data.

What would the developer do to test the Account trigger?

Use the Test menu on the developer Console to run all test classes for the account trigger.

Use the New button on the Salesforce Accounts Tab to create a new Account record.

Use the Open Execute Anonymous feature on the Developer Console to run an ‘insert Account’ DML statement.

Use Deply from the Force.com IDE to deploy an ‘insert Account’ Apex class.

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

Displaying the last four digits of an encrypted Social Security number

Triggering a Process Builder

Displaying an Image based on the Opportunity Amount

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

20. 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?

@InvocableMethod(label='Additional Info') public List<ContactInfo> getInfo(List<Id> contactIds) { /*implementation*/ }

@InvocableMethod(label='additional Info') public static ContactInfo getInfo(Id contactId) { /*implementation*/ }

@invocableMethod(label)='Additional Info') public static List<ContactInfo> getInfo(List<Id> contactIds) { /*Implementation*/ }

@InvocableMethod(Label='additional Info') public ContactInfo(Id contactId) { /*implementation*/ }

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21. Which standard field is required when creating a new contact record?

LastName

Name

AccountId

FirstName

22. 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

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

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

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

Create a static resource containing test data.

23. What are two benefits of using declarative customizations over code? Choose 2 answers

What are two benefits of using declarative customizations over code?

Declarative customizations automatically update with each Salesforce release.

Declarative customizations automatically generate test classes.

Declarative customizations generally require less maintenance.

24. Which code displays the content of Visualforce page as PDF?

<apex:page renderAs=”pdf”>

<apex:page readeras’’ application/pdf’’>

<apex:page readerAs= ‘’application/pdf’’>

<apex:page contentype ‘’ application/pdf’’)

25. Which three per-transaction limits have higher governor limits in asynchronous Apex transactions?

Maximum CPU time

Maximum heap size

Total SOQL queries

Maximum execution time

Records returned by SOQL

26. A primaryid_c custom field exists on the candidate_c custom object. The filed is used to store each candidate's id number and is marked as Unique in the schema definition.

As part of a data enrichment process. Universal Containers has a CSV file that contains updated data for all candidates in the system, the file contains each Candidate's primary id as a data point. Universal Containers wants to upload this information into Salesforce, while ensuring all data rows are correctly mapped to a candidate in the system.

Which technique should the developer implement to streamline the data upload?

Create a Process Builder on the Candidate_c object to map the records.

Create a before Insert trigger to correctly map the records.

Update the primaryid__c field definition to mark it as an External Id

Upload the CSV into a custom object related to Candidate_c.

27. Given the following block code:

try {List <Accounts> retrievedRecords = [SELECT Id FROM Account WHERE Website = null];} catch (Exception e){ //manage exception logic }

What should a developer do to ensure the code execution is disrupted if the retrievedRecordslist remains empty after the SOQL query?

Check the state of the retrieveRecords variable and throw a custom exception if the variable is empty.

Check the state of the retrievedRecords variable and use System.assert(false) if the variable is empty

Check the state of the retrievedRecords variable and access the first element of the list if the variable is empty.

Replace the retrievedRecords variable declaration from ftount to a single Account.

28. Which three resources in an Azure Component can contain JavaScript functions?

Controllers

helper

Design

Style

Renderer

29. A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component.

In which two ways can this be accomplished? Choose 2 answers

The parent component can use a custom event to pass the data to the child component,

The parent component can use the Apex controller class to send data to the child component.

The parent component can invoke a method in the child component

The parent component can use a public property to pass the data to the child component.

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

By providing an Agile process with default steps

By providing code review standards and processes

By providing device-awareness for mobile and desktops

By providing change history and version control

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31. A developer wants to retrieve the Contacts and Users with the email address '[email protected]'.

Which SOSL statement should the developer use?

FIND {[email protected]} IN Email Fields RETURNING Contact (Email), User (Email)

FIND {Email = '[email protected]'} IN Contact, User

FIND {Email = '[email protected]'} RETURNING Contact (Email), User (Email)

FIND Email IN Contact, User FOR {dev2uc.com}

32. Which salesforce org has a complete duplicate copy of the production org including data

and configuration?

Developer Pro Sandbox

Partial Copy Sandbox

Production

Full Sandbox

33. A developer must build application that tracks which Accounts have purchase specific pieces of equal products. Each Account could purchase many pieces of equipment.

How should the developer track that an Account has purchased a piece of equipment.

Use the Asset object.

Use a Custom object.

Use a Master-Detail on Product to Account

Use a Lookup on Account to product.

34. An Apex method, getAccounts, that returns a List of Accounts given a searchTerm, is available for Lightning Web components to use.

What is the correct definition of a Lightning Web component property that uses the getAccounts method?

Option A

Option B

Option C

Option D

35. Which three resources in an Aura Component can contain Javascript functions? Choose 3 answers

Controller

Helper

Renderer

36. which statement is true regarding execution order when triggers are associated to the same object and event?

Trigger execution order cannot be guaranteed.

executed In the order they are modified.

Triggers are executed alphabetically by trigger name.

Triggers are executed in the order they are created.

37. Which two types of process automation can be used to calculate the shipping cost for an Order when the Order is placed and apply a percentage of the shipping cost of some of the related Order Products?

Choose 2 answers

Workflow Rule

Approval Process

Process Builder

Flow Builder

38. A developer creates a custom exception as shown below:

What are two ways the developer can fire the exception in Apex? Choose 2 answers

Throw new ParityException (parity does not match);

New ParityException( );

New ParityException (parity does not match);

Throw new parityException ( );

39. Which Apex class contains methods to return the amount of resources that have been used for a particular governor, such as the number of DML statements?

Exception

Messaging

OrgLimits

Limits

40. A development team wants to use a deployment script lo automatically deploy lo a sandbox during their development cycles.

Which two tools can they use to run a script that deploys to a sandbox? Choose 2 answers

Ant Migration Tool

SFDX CLI

Change Sets

Developer Console

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41. How many accounts will be inserted by the following block ofcode?

for(Integer i = 0 ; i < 500; i++) { Account a = new Account(Name='New Account ' + i); insert a; }

150

500

100

42. The following automations already exist on the Account object;

• A workflow rule that updates a field when a certain criteria is met

• A custom validation on a field

• A How that updates related contact records

A developer created a trigger on the Account object.

What should the developer consider while testing the trigger code?

The flow may be launched multiple times.

Workflow rules will fire only after the trigger has committed all DML operations to the database.

A workflow rule field update will cause the custom validation to run again.

The trigger may fire multiple times during a transaction.

43. A developer identifies the following triggers on the Expense_c object:

✑ DeleteExpense,

✑ applyDefaultstoexpense

✑ validateexpenseupdate;

The triggers process before delete, before insert, and before update events respectively.

Which two techniques should the developer implement to ensure trigger best practice are followed?

Unify the before insert and before update triggers and use Process Builder for the delete action.

Maintain all three triggers on the Expense__c object, but move the Apex logic out for the trigger definition.

Create helper classes to execute the appropriate logic when a record is saved.

Unify all three triggers in a single trigger on the Expense__c object that includes all events.

44. AW Computing tracks order information in custom objects called order__c and order_Line_ c - Currently, all shipping information is stored in the order__c object.

The company wants to expand Its order application to support split shipments so that any number of order_Line__c records on a single order__c can be shipped to different locations.

What should a developer add to fulfill this requirement?

Order_shipment_Group_c object and master-detail field on order_Line_c

Order_shipment_Group_c object and master-detail field on order_c

Order_shipment_Group_c object and master-detail field to order_c and Order Line_c

Order_shipment_Group_c object and master-detail field on order_shipment_Group_c

45. 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?

@InvocableMethod(label='Additional Info') public List<ContactInfo> getInfo(List<Id> contactIds) { /*implementation*/ }

@InvocableMethod(label='additional Info') public static ContactInfo getInfo(Id contactId) { /*implementation*/ }

@invocableMethod(label)='Additional Info') public static List<ContactInfo> getInfo(List<Id> contactIds) { /*Implementation*/ }

@InvocableMethod(Label='additional Info') public ContactInfo(Id contactId) { /*implementation*/ }

46. Which annotation exposes an Apex class as a RESTful web service?

©AuraEnabled

©RestResource

©Remote Action

©Httplnvocable

47. The following Apex method is part of the ContactService class that is called from a trigger:

public static void setBusinessUnitToEMEA(Contact thisContact){

thisContact.Business_Unit__c = "EMEA" ; update thisContact; }

How should the developer modify the code to ensure best practice are met?

Public static void setBusinessUnitToEMEA(List<Contact> contacts){ for(Contact thisContact : contacts){ thisContact.Business_Unit__c = 'EMEA' ; update contacts[0]; } }

Public static void setBusinessUnitToEMEA(List<Contact> contacts){ for(Contact thisContact : contacts) { thisContact.Business_Unit__c = 'EMEA' ; } update contacts; }

Public static void setBusinessUnitToEMEA(Contact thisContact){ List<Contact> contacts = new List<Contact>(); contacts.add(thisContact.Business_Unit__c = 'EMEA'); update contacts; }

Public void setBusinessUnitToEMEA(List<Contact> contatcs){ contacts[0].Business_Unit__c = 'EMEA' ; update contacts[0]; }

48. Universal Containers (UC) decided it will not to send emails to support personnel directly from Salesforce in the event that an unhandled exception occurs. Instead, UC wants an external system be notified of the error.

What is the appropriate publish/subscribe logic to meet these requirements?

Publish the error event using the addError() method and have the external system subscribe to the event using Comet

Publish the error event using the Eventbus.publish() method and have the external system subscribe to the event using Comet

Have the external system subscribe to the BatchApexError event, no publishing is necessary.

Publish the error event using the addError() method and write a trigger to subscribe to the event and notify the external system.

49. Which code displays the contents of a Visualforce page as a PDF?

<apex:page contentType="pdf">

<apex:page rendersAs="application/pdf">

<apex:page contentType="application/pdf">

<apex:page renderAs="pdf">

50. Which two settings must be defined in order to update a record of a junction object? Choose 2 answers

Read access on the primary relationship

Read/Write access on the secondary relationship

Read/Write access on the primary relationship

Read/Write access on the junction object

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51. Contacts

The Account trigger hits a stack depth of 16.

Which statement is true regarding the outcome of the transaction?

The transaction fails only if the Contact trigger stack depth is greater or equal to 16.

The transaction succeeds as long as the Contact trigger stack depth is less than 16.

The transaction fails and all the changes are rolled back.

The transaction succeeds and all the changes are committed to the database.

52. A developer has the following requirements:

Calculate the total amount on an Order.

Calculate the line amount for each Line Item based on quantity selected and price.

Move Line Items to a different Order if a Line Item is not stock.

Which relationship implementation supports these requirements?

Line Items has a Master-Detail field to Order and the Master can be re-parented.

Line Item has a Lookup field to Order and there can be many Line Items per Order

Order has a Lookup field to Line Item and there can be many Line Items per Order.

Order has a Master-Detail field to Line Item and there can be many Line Items per Order.

53. Refer to the following code that runs in an Execute Anonymous block:

In an environment where the full result set is returned, what is a possible outcome of this code?

The total number of records processed as a result of DML statements will be exceeded

The total number of records processed as a result of DML statements will be exceeded.

The transaction will succeed and the first ten thousand records will be committed to the database.

The total number of DML statements will be exceeded.

54. Which statement should be used to allow some of the records in a list of records to be inserted rf others fail to be inserted?

insert records

Database.insert(records, true)

insert (records, false)

Database.insert(records, false)

55. A developer is asked to create a Visualforce page for Opportunities that allows users to save or merge the current record.

Which approach should the developer to meet this requirement?

A custom controller

A custom controller extension

Visualforce page JavaScript

Standard controller methods

56. 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?

Lightning-flow

Aura:flow

Lightning:flow

Aura:flow

57. 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?

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

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

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

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

58. When a user edits the Postal Code on an Account, a custom Account text field named "Timezone" must be update based on the values in a PostalCodeToTimezone__c custom object.

How should a developer implement this feature?

Build an Account Assignment Rule.

Build an Account custom Trigger.

Build an account Approval Process

Build an Account Workflow Rule.

59. Which two conditions cause workflow rules to fire? Choose 2 answers

Changing the territory assignments of accounts and opportunities

Updating records using the bulk API

Converting leads to person accounts

An Apex Batch process that changes field values

60. Application Events follow the traditional publish-subscribe model.

Which method is used to fire an event?

Fire()

Emit()

RegisterEvent()

FireEvent()

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61. 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?

public class ContactController

public with sharing class ContactController

public without sharing class ContactController

public inherited sharing class ContactController

62. Universal Containers decides to use exclusively declarative development to build out a new Salesforce application.

Which three options should be used to build out the database layer for the application? Choose 3 answers

Roll-Up Summaries

Triggers

Relationships

Process Builder

Custom Objects and Fields

63. A developer needs an Apex method that can process Account or Contact records.

Which method signature should the developer use?

Public void doWork(Record theRecord)

Public void doWork(sObject theRecord)

Public void doWork(Account Contact)

Public void doWork(Account || Contatc)

64. A custom object Trainer_c has a lookup field to another custom object Gym___c.

Which SOQL query will get the record for the Viridian City gym and it's trainers?

SELECT Id, (SELECT Id FROM Trainers) FROM Gym_C WHERE Name . Viridian City Gym'

SELECT Id, (SELECT Id FROM Trainer_c) FROM Gym_c WHERE Name - Viridian City Gym'

SELECT ID FROM Trainer_c WHERE Gym__r.Name - Viridian City Gym'

SELECT Id, (SELECT Id FROM Trainers) FROM Gym_C WHERE Name - Viridian City Gym'

65. Which statement generates a list of Leads and Contacts that have a field with the phrase 'ACME'?

List <sObject> searchList = (FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead);

List<List <sObject>> searchList = (FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead);

Map <sObject> searchList = (FIND "*ACME*" IN ALL FIELDS RETURNING Contact, Lead);

List<List < sObject>> searchList = (SELECT Name, ID FROM Contact, Lead WHERE Name like '%ACME%');