Salesforce Certified Platform Developer I Dumps & Practice Questions 2025
- CertiMaan
- Oct 26
- 7 min read
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?
Schema.sObjectType.Account.isDeletable()
Account.isDeletable()
accountRec.isDeletable()
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.)
Use a Visual Workflow.
Use a validation rule.
Use the Process Automation Settings.
Use a Trigger.
3. Which three web technologies can be integrated into a Visualforce page? (Choose three.)
JavaScript
CSS
Java
PHP
HTML
4. Which three statements are true regarding custom exceptions in Apex? (Choose three.)
A custom exception class must extend the system Exception class.
A custom exception class can implement one or many interfaces.
A custom exception class cannot contain member variables or methods.
A custom exception class name must end with ג€Exceptionג€.
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?
Developer Pro Sandbox
Partial Copy Sandbox
Production
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?
Master-Detail relationship
Child relationship
Lookup relationship from the parent to the child
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.)
The Apex Test Execution page
The Test Suite Run panel of the Developer Console
The Apex classes setup page
The Tests tab of the Developer Console
8. Which two operations can be performed using a formula field? (Choose two.)
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
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.)
View the Apex Jobs Page
View the Apex Status Page
Query the AsyncApexJob object
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?
[SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE Account.Industry = 'Technology'];
[SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE Accounts.Industry = 'Technology'];
[SELECT Id, (SELECT Id FROM Job_Applications_c) FROM Contact WHERE Accounts.Industry = 'Technology'];
[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?
REST resource path URL
Workbench REST Explorer
Developer Console REST tab
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?
8
1
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?
The Account save fails and no Contacts or Cases are updated.
The Account save succeeds and no Contacts or Cases are updated.
The Account save succeeds, Contacts are updated, but Cases are not.
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.)
Boolean
List of sObjects
Single sObject
Integer
String
15. Which approach should be used to provide test data for a test class?
Query for existing records in the database.
Execute anonymous code blocks that create data.
Use a test data factory class to create test data.
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?
Roll-up summary field on the Opportunity object
Cross-object formula field on the Opportunity object
Roll-up summary field on the Account object
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?
Create a Sharing Rule comparing the custom object owner to the account owner.
Create a validation rule on the custom object comparing the record owners on both records.
Include the sharing related list on the custom object page layout.
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?
Text Area
Text
Text Area (Long)
Text Area (Rich)
19. Which two are phases in the Salesforce Application Event propagation framework? (Choose two.)
Bubble
Default
Control
Emit
20. Which two events need to happen when deploying to a production org? (Choose two.)
All Process Builder Processes must have at least 1% test coverage.
All Apex code must have at least 75% test coverage.
All triggers must have at least 1% test coverage.
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.)
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.
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.
Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.
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?
As a List<String> with each value as an element in the list
As a String with each value separated by a comma
As a String with each value separated by a semicolon
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.)
It simplifies complexity when building pages, but not applications.
It provides an event-driven architecture for better decoupling between components.
It promotes faster development using out-of-box components that are suitable for desktop and mobile devices.
It allows faster PDF generation with Lightning components.
24. How should a developer avoid hitting the governor limits in test methods?
Use @TestVisible on methods that create records.
Use Test.loadData() to load data from a static resource.
Use @IsTest (SeeAllData=true) to use existing data.
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.)
Use myObject.sObjectType.getDescribe().fieldSet() to return a set of fields.
Use mySObject.myObject.fields.getMap() to return a map of fields.
Use Schema.describeSObjects(new String[]{myObject})[0].fields.getMap() to return a map of fields.
Use getGlobalDescribe().get(myObject).getDescribe().fields.getMap() to return a map of fields.
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.

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