Salesforce Certified Platform Developer I Dumps & Practice Questions 2025

Prepare confidently for the Salesforce Certified Platform Developer I exam with our updated 2025 dumps, sample questions, and real exam-based practice sets. These resources cover critical areas like Apex programming, Visualforce, Lightning Web Components (LWC), data modeling, SOQL, and trigger logic. Whether you're a beginner or refining your development skills in the Salesforce ecosystem, these hand-picked Salesforce Certified Platform Developer I dumps help improve speed, accuracy, and conceptual clarity. Use our practice material to pass the exam on your first attempt with flying colors.

Salesforce Certified Platform Developer I Dumps & Sample Questions List :

1. A developer must write an Apex method that will be called from a Lightning component. The method may delete an Account stored in the accountRec variable.Which method should a developer use to ensure only users that should be able to delete Accounts can successfully perform deletions?

1. Schema.sObjectType.Account.isDeletable()

2. Account.isDeletable()

3. accountRec.isDeletable()

4. accountRec.sObjectType.isDeletable()

2. Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.Which two strategies should a developer use to accomplish this? (Choose two.)

1. Use a Visual Workflow.

2. Use a validation rule.

3. Use the Process Automation Settings.

4. Use a Trigger.

3. Which three web technologies can be integrated into a Visualforce page? (Choose three.)

1. JavaScript

2. CSS

3. Java

4. PHP

5. HTML

4. Which three statements are true regarding custom exceptions in Apex? (Choose three.)

1. A custom exception class must extend the system Exception class.

2. A custom exception class can implement one or many interfaces.

3. A custom exception class cannot contain member variables or methods.

4. A custom exception class name must end with ג€Exceptionג€.

5. A custom exception class can extend other classes besides the Exception class.

5. Which Salesforce org has a complete duplicate copy of the production org including data and configuration?

1. Developer Pro Sandbox

2. Partial Copy Sandbox

3. Production

4. Full Sandbox

6. Requirements state that a child record is deleted when its parent is deleted, and a child can be moved to a different parent when necessary.Which type of relationship should be built between the parent and child objects in Schema builder to support these requirements?

1. Master-Detail relationship

2. Child relationship

3. Lookup relationship from the parent to the child

4. Lookup relationship from the child to the parent

7. From which two locations can a developer determine the overall code coverage for a sandbox? (Choose two.)

1. The Apex Test Execution page

2. The Test Suite Run panel of the Developer Console

3. The Apex classes setup page

4. The Tests tab of the Developer Console

8. Which two operations can be performed using a formula field? (Choose two.)

1. Displaying the last four digits of an encrypted Social Security number

2. Triggering a Process Builder

3. Displaying an Image based on the Opportunity Amount

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

9. What are two ways a developer can get the status of an enqueued job for a class that implements the queueable interface? (Choose two.)

1. View the Apex Jobs Page

2. View the Apex Status Page

3. Query the AsyncApexJob object

4. View the Apex Flex Queue

10. The Job_Application__c custom object has a field that is a Master-Detail relationship to the Contact object, where the Contact object is the Master. As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is `˜Technology' while also retrieving the contact's Job_Application__c records.Based on the object's relationships, what is the most efficient statement to retrieve the list of contacts?

1. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE Account.Industry = 'Technology'];

2. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE Accounts.Industry = 'Technology'];

3. [SELECT Id, (SELECT Id FROM Job_Applications_c) FROM Contact WHERE Accounts.Industry = 'Technology'];

4. [SELECT Id, (SELECT Id FROM Job_Application_c) FROM Contact WHERE Account.Industry = 'Technology'];

11. Which tool allows a developer to send requests to the Salesforce REST APIs and view the responses?

1. REST resource path URL

2. Workbench REST Explorer

3. Developer Console REST tab

4. Force.com IDE REST Explorer tab

12. A developer writes a single trigger on the Account object on the after insert and after update events. A workflow rule modifies a field every time an Account is created or updated.How many times will the trigger fire if a new Account is inserted, assuming no other automation logic is implemented on the Account?

1. 8

2. 1

3. 4

4. 2

13. An Account trigger updates all related Contacts and Cases each time an Account is saved using the following two DML statements: update allContacts; update allCases;What is the result if the Case update exceeds the governor limit for maximum number of DML records?

1. The Account save fails and no Contacts or Cases are updated.

2. The Account save succeeds and no Contacts or Cases are updated.

3. The Account save succeeds, Contacts are updated, but Cases are not.

4. The Account save is retried using a smaller trigger batch size.

14. Which three data types can be returned from an SOQL statement? (Choose three.)

1. Boolean

2. List of sObjects

3. Single sObject

4. Integer

5. String

15. Which approach should be used to provide test data for a test class?

1. Query for existing records in the database.

2. Execute anonymous code blocks that create data.

3. Use a test data factory class to create test data.

4. Access data in @TestVisible class variables.

16. A Platform Developer needs to implement a declarative solution that will display the most recent Closed Won date for all Opportunity records associated with anAccount.Which field is required to achieve this declaratively?

1. Roll-up summary field on the Opportunity object

2. Cross-object formula field on the Opportunity object

3. Roll-up summary field on the Account object

4. Cross-object formula field on the Account object

17. How should a developer make sure that a child record on a custom object, with a lookup to the Account object, has the same sharing access as its associated account?

1. Create a Sharing Rule comparing the custom object owner to the account owner.

2. Create a validation rule on the custom object comparing the record owners on both records.

3. Include the sharing related list on the custom object page layout.

4. Ensure that the relationship between the objects is Master-Detail.

18. A developer wants to store a description of a product that can be entered on separate lines by a user during product setup and later displayed on a Visualforce page for shoppers.Which field type should the developer choose to ensure that the description will be searchable in the custom Apex SOQL queries that are written?

1. Text Area

2. Text

3. Text Area (Long)

4. Text Area (Rich)

19. Which two are phases in the Salesforce Application Event propagation framework? (Choose two.)

1. Bubble

2. Default

3. Control

4. Emit

20. Which two events need to happen when deploying to a production org? (Choose two.)

1. All Process Builder Processes must have at least 1% test coverage.

2. All Apex code must have at least 75% test coverage.

3. All triggers must have at least 1% test coverage.

4. All Visual Flows must have at least 1% test coverage.

21. Universal Containers recently transitioned from Classic to Lightning Experience. One of its business processes requires certain values from the Opportunity object to be sent via an HTTP REST callout to its external order management system based on a user-initiated action on the Opportunity detail page. Example values are as follows:* Name* Amount* AccountWhich two methods should the developer implement to fulfill the business requirement? (Choose two.)

1. Create a Visualforce page that performs the HTTP REST callout, and use a Visualforce quick action to expose the component on the Opportunity detail page.

2. Create a Process Builder on the Opportunity object that executes an Apex immediate action to perform the HTTP REST callout whenever the Opportunity is updated.

3. Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.

4. Create an after update trigger on the Opportunity object that calls a helper method using @Future(Callout=true) to perform the HTTP REST callout.

22. In a single record, a user selects multiple values from a multi-select picklist.How are the selected values represented in Apex?

1. As a List<String> with each value as an element in the list

2. As a String with each value separated by a comma

3. As a String with each value separated by a semicolon

4. As a Set<String> with each value as an element in the set

23. What are two benefits of the Lightning Component framework? (Choose two.)

1. It simplifies complexity when building pages, but not applications.

2. It provides an event-driven architecture for better decoupling between components.

3. It promotes faster development using out-of-box components that are suitable for desktop and mobile devices.

4. It allows faster PDF generation with Lightning components.

24. How should a developer avoid hitting the governor limits in test methods?

1. Use @TestVisible on methods that create records.

2. Use Test.loadData() to load data from a static resource.

3. Use @IsTest (SeeAllData=true) to use existing data.

4. Use Test.startTest() to reset governor limits.

25. A developer needs to display all of the available fields for an object.In which two ways can the developer retrieve the available fields if the variable myObject represents the name of the object? (Choose two.)

1. Use myObject.sObjectType.getDescribe().fieldSet() to return a set of fields.

2. Use mySObject.myObject.fields.getMap() to return a map of fields.

3. Use Schema.describeSObjects(new String[]{myObject})[0].fields.getMap() to return a map of fields.

4. Use getGlobalDescribe().get(myObject).getDescribe().fields.getMap() to return a map of fields.

26. 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?

1. Use Test.getStandardPricebookId() to get the standard price book ID.

2. Use @IsTest(SeeAllData=true) and delete the existing standard price book.

3. Use Test.loadData() and a Static Resource to load a standard price book.

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

27. Universal Containers (UC) decided it will not 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?

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

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

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

4. Publish the error event using the addError() method and have the external system subscribe to the event using CometD.

28. Which three declarative fields are correctly mapped to variable types in Apex? (Choose three.)

1. Number maps to Decimal.

2. Number maps to Integer.

3. TextArea maps to List of type String.

4. Date/Time maps to Dateline.

5. Checkbox maps to Boolean.

29. A developer working on a time management application wants to make total hours for each timecard available to application users. A timecard entry has a Master-Detail relationship to a timecard.Which approach should the developer use to accomplish this declaratively?

1. A Visualforce page that calculates the total number of hours for a timecard and displays it on the page

2. A Roll-Up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard

3. A Process Builder process that updates a field on the timecard when a timecard entry is created

4. An Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field

30. The Review_c object has a lookup relationship up to the Job_Application_c object. The Job_Application_c object has a master-detail relationship up to thePosition_c object. The relationship field names are based on the auto-populated defaults.What is the recommended way to display field data from the related Position_c record on a Visualforce page for a single Review_c record?

1. Use the Standard Controller for Review_c and cross-object Formula Fields on the Position_c object to display Position_c data.

2. Use the Standard Controller for Job_Application_c and a Controller Extension to query for Position_c data.

3. Use the Standard Controller for Job_Application_c and cross-object Formula Fields on the Review_c object to display Position_c data.

4. Use the Standard Controller for Review_c and expression syntax in the Page to display related Position_c data through the Job_Application_c object.

31. What should be used to create scratch orgs?

1. Developer Console

2. Salesforce CLI

3. Workbench

4. Sandbox refresh

32. A developer needs to create an audit trail for records that are sent to the recycle bin.Which type of trigger is most appropriate to create?

1. after delete

2. after undelete

3. before undelete

4. before delete

33. A developer needs to create a Visualforce page that displays Case data. The page will be used by both support reps and support managers. The Support Rep profile does not allow visibility of the Customer_Satisfaction__c field, but the Support Manager profile does.How can the developer create the page to enforce Field Level Security and keep future maintenance to a minimum?

1. Create one Visualforce Page for use by both profiles.

2. Use a new Support Manager permission set.

3. Create a separate Visualforce Page for each profile.

4. Use a custom controller that has the with sharing keywords.

34. A change set deployment from a sandbox to production fails due to a failure in a managed package unit test. The developer spoke with the managed package owner and they determined it is a false positive and can be ignored.What should the developer do to successfully deploy?

1. Select ג€Run local testsג€ to run all tests in the org that are not in the managed package.

2. Select ג€Fast Deployג€ to run only the tests that are in the change set.

3. Select ג€Run local testsג€ to run only the tests that are in the change set.

4. Edit the managed package's unit test.

35. What is a capability of the <ltng:require> tag that is used for loading external Javascript libraries in Lightning Component? (Choose three.)

1. Loading files from Documents.

2. One-time loading for duplicate scripts.

3. Specifying loading order.

4. Loading scripts in parallel.

5. Loading externally hosted scripts.

36. How should a developer create a new custom exception class?

1. public class CustomException extends Exception{}

2. CustomException ex = new (CustomException)Exception();

3. public class CustomException implements Exception{}

4. (Exception)CustomException ex = new Exception();

37. Which three process automations can immediately send an email notification to the owner of an Opportunity when its Amount is changed to be greater than$10,000? (Choose three.)

1. Process Builder

2. Escalation Rule

3. Flow Builder

4. Approval Process

5. Workflow Rule

38. A developer at Universal Containers is tasked with implementing a new Salesforce application that must be able to be maintained completely by their company'sSalesforce administrator.Which three options should be considered for building out the business logic layer of the application? (Choose three.)

1. Process Builder

2. Scheduled Jobs

3. Invocable Actions

4. Workflows

5. Validation Rules

39. A developer wants to override a button using Visualforce on an object.What is the requirement?

1. The controller or extension must have a PageReference method.

2. The standardController attribute must be set to the object.

3. The action attribute must be set to a controller method.

4. The object record must be instantiated in a controller or extension.

40. What are three characteristics of static methods? (Choose three.)

1. Initialized only when a class is loaded

2. A static variable outside of the scope of an Apex transaction

3. Allowed only in outer classes

4. Allowed only in inner classes

5. Excluded from the view state for a Visualforce page

41. Which three steps allow a custom SVG to be included in a Lightning web component? (Choose three.)

1. Upload the SVG as a static resource.

2. Reference the getter in the HTML template.

3. Import the SVG as a content asset file.

4. Import the static resource and provide a getter for it in JavaScript.

5. Reference the import in the HTML template.

42. Where can a developer identify the time taken by each process in a transaction using Developer Console log inspector?

1. Performance Tree tab under Stack Tree panel

2. Execution Tree tab under Stack Tree panel

3. Timeline tab under Execution Overview panel

4. Save Order tab under Execution Overview panel

43. Which two statements are true about Apex code executed in Anonymous Blocks? (Choose two.)

1. The code runs with the permissions of the user specified in the runAs() statement.

2. The code runs with the permissions of the logged in user.

3. The code runs in system mode having access to all objects and fields.

4. All DML operations are automatically rolled back.

5. Successful DML operations are automatically committed.

44. Which situation prevents a developer from setting sharing rules for a custom object?

1. The object's Sharing Settings is set to Public Read/Write.

2. The object is on the detail side of a Master-Detail relationship.

3. The developer is not a System Administrator.

4. The object is referenced in an Owner field of a Master-Detail relationship.

45. Which two SOSL searches will return records matching search criteria contained in any of the searchable text fields on an object? (Choose two.)

1. [FIND 'Acme*' IN ANY FIELDS RETURNING Account, Opportunity];

2. [FIND 'Acme*' RETURNING Account, Opportunity];

3. [FIND 'Acme*' IN ALL FIELDS RETURNING Account, Opportunity];

4. [FIND 'Acme*' IN TEXT FIELDS RETURNING Account, Opportunity];

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

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

2. <apex:page renderAs="pdf">

3. <apex:page renderAs="application/pdf">

4. <apex:page contentType="pdf">

47. In which three areas can a Lightning component be used in the Lightning Experience? (Choose three.)

1. Lightning Report page

2. Lightning Connect page

3. Lightning Record Page

4. Lightning Community Page

5. Lightning Home page

48. An org has a single account named `˜NoContacts' that has no related contacts. Given the query:List<Account> accounts = [Select ID, (Select ID, Name from Contacts) from Account where Name=`˜NoContacts'];What is the result of running this Apex?

1. accounts[0].contacts is invalid Apex.

2. accounts[0].contacts is an empty Apex.

3. accounts[0].contacts is Null.

4. A QueryException is thrown.

49. Which approach should a developer use to add pagination to a Visualforce page?

1. A StandardController

2. The Action attribute for a page

3. The extensions attribute for a page

4. A StandardSetController

50. Which SOQL query successfully returns the Accounts grouped by name?

1. SELECT Type, Max(CreatedDate) FROM Account GROUP BY Name

2. SELECT Name, Max(CreatedDate) FROM Account GROUP BY Name

3. SELECT Id, Type, Max(CreatedDate) FROM Account GROUP BY Name

4. SELECT Type, Name, Max(CreatedDate) FROM Account GROUP BY Name LIMIT 5

FAQs

1. What is the Salesforce Certified Platform Developer I certification?

The Salesforce Certified Platform Developer I certification validates your knowledge of developing custom business logic and user interfaces using the Salesforce Platform’s Apex and Visualforce programming languages.

2. How do I become a Salesforce Certified Platform Developer I?

To earn this certification, you must pass the Platform Developer I exam, which tests your understanding of Salesforce fundamentals, data modeling, Apex programming, and app deployment.

3. What are the prerequisites for the Salesforce Platform Developer I exam?

There are no mandatory prerequisites, but Salesforce recommends hands-on experience with Apex, Lightning Components, and declarative customization tools.

4. How much does the Salesforce Certified Platform Developer I certification cost?

The exam fee is $200 USD, and retakes cost $100 USD, excluding applicable taxes.

5. What topics are covered in the Salesforce Platform Developer I exam?

The exam includes Apex programming, data modeling, process automation, testing and debugging, and Salesforce application deployment.

6. How difficult is the Salesforce Certified Platform Developer I exam?

It’s a moderately difficult certification that requires a good grasp of Salesforce development and programming concepts.

7. How long does it take to prepare for the Salesforce Platform Developer I certification?

Most candidates prepare in 6–10 weeks, combining Trailhead study modules, code practice, and mock tests.

8. Is the Salesforce Certified Platform Developer I worth it?

Yes, it’s a valuable certification for developers who want to advance their technical career and specialize in Salesforce app development.

9. What jobs can I get after earning the Salesforce Platform Developer I certification?

You can work as a Salesforce Developer, Application Engineer, Technical Consultant, or Integration Specialist in the Salesforce ecosystem.

10. What is the average salary of a Salesforce Certified Platform Developer I professional?

Salesforce Platform Developer I certified professinals typically earn between $95,000 and $130,000 per year, depending on location and experience.