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Salesforce Platform Developer I Exam Questions
- Topic 1: Developer Fundamentals: This section of the exam covers the understanding of multi-tenant concepts and developing models like the MVC architecture and Lightning Component Model. It also covers pinpointing common use cases and the most effective strategies for declarative versus programmatic customizations.
- Topic 2: Process Automation and Logic: This section of the exam covers the identification of the declarative process automation capabilities and how to declare methods, variables, and modifiers. It also covers utilizing Apex control flow statements and writing SOSL and DML statements.
- Topic 3: User Interface: Inside a particular scenario, this part of the exam covers displaying or editing content related to Salesforce data with the Visualforce page feature. It also covers explaining the Lightning Component Framework, its advantages, and what content can be used with a Lightning web component. It covers showing and utilizing a customized interface component such as Flow and Visualforce.
- Topic 4: Testing, Debugging, and Deployment: This section covers writing and performing tests related to triggers, classes, and processes by utilizing different test information sources. Moreover, it covers the understanding of various Salesforce Developer Tools such as CLI, DX, and Developer Console.
Free Salesforce Platform Developer I Exam Actual Questions
Note: Premium Questions for Platform Developer I were last updated On Jun. 13, 2025 (see below)
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?
A)
B)
C)
D)
A developer is migrating a Visualforce page into a Lightning web component.
The Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.
Which security consideration should the developer be aware of?
A developer creates a custom exception as shown below:
public class ParityException extends Exception { }
What are two ways the developer can fire the exception in Apex?
A developer must implement a CheckPaymentProcessor class that provides check processing payment capabilities that adhere to what is defined for payments in the Payment Processor interface.
Which implementation is correct to use the PaymentProcessor interface class?
A)
B)
C)
D)
Which action causes a before trigger to fire by default for Accounts?
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