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Salesforce PDI (Platform Developer I) certification is an industry-recognized credential that validates your skills and knowledge in developing custom applications on the Salesforce platform. It is a must-have certification for developers who are looking to enhance their career prospects in the Salesforce ecosystem. Platform Developer I (PDI) certification exam tests your expertise in various areas such as Apex programming, data modeling, user interface design, and deployment strategies.

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The Platform Developer I (PDI) PDI certification provides both novices and experts with a fantastic opportunity to show off their knowledge of and proficiency in carrying out a particular task. With the Salesforce PDI exam, you will have the chance to update your knowledge while obtaining dependable evidence of your proficiency. You can also get help from actual Platform Developer I (PDI) PDI Exam Questions and pass your dream Platform Developer I (PDI) PDI certification exam.

Salesforce PDI (Platform Developer I) Certification Exam is designed for developers who are responsible for designing and developing custom applications on the Salesforce platform. Passing PDI exam demonstrates that the developer has the skills and knowledge necessary to develop custom applications and solutions on the Salesforce platform.

Salesforce PDI exam is intended for developers who have experience building custom applications on the Salesforce platform. PDI Exam Tests the knowledge and skills of developers in areas such as Apex programming language, Visualforce, and the Salesforce Lightning component framework. Developers who pass the Salesforce PDI exam will have demonstrated their proficiency in using these technologies to build custom applications on the Salesforce platform.

Salesforce Platform Developer I (PDI) Sample Questions (Q140-Q145):

NEW QUESTION # 140
Since Aura application events follow the traditional publish-subscribe model, which method is used to fire an event?

A. replaceState()
B. startOut()
C. publish()
D. fire()

Answer: D

Explanation:
Answer A is correct. Aura components use component bundles that separate controller, helper, renderer, style, and design resources. Client-side controller and helper JavaScript coordinate UI events and server actions, while application and component events follow the framework's event propagation model. Good Aura design keeps reusable logic in helpers and avoids unnecessary application-wide events. The other options either use the wrong platform feature, apply at the wrong layer, or ignore a key Salesforce constraint. For Platform Developer I, the important point is not just syntax; it is choosing the feature that aligns with transaction behavior, security enforcement, maintainability, and supported metadata capabilities. Reference focus:
Lightning Web Components Developer Guide, Lightning Component Reference, Aura Components Developer Guide, and Visualforce Developer Guide. This distinction is important in production orgs because small design mistakes can create deployment failures, runtime exceptions, data-quality defects, or user-visible security gaps once automation is executed in bulk or from multiple entry points.

NEW QUESTION # 141
Which action may cause triggers to fire?

A. Changing a user's default division when the transfer division option it checked
B. Renaming or replacing a picklist entry
C. Cascading delete operations
D. Updates to Feed Items

Answer: D

NEW QUESTION # 142
Given the following trigger implementation:
trigger leadTrigger on Lead (before update){
final ID BUSINESS_RECORDTYPEID = '012500000009Qad';
for(Lead thisLead : Trigger.new){
if(thisLead.Company != null && thisLead.RecordTypeId != BUSINESS_RECORDTYPEID){ thisLead.RecordTypeId = BUSINESS_RECORDTYPEID;
}
}
}
The developer receives deployment errors every time a deployment is attempted from Sandbox to Production.
What should the developer do to ensure a successful deployment?

A. Ensure BUSINESS_RECORDTYPEID is pushed as part of the deployment components.
B. Ensure BUSINESS_RECORDTYPEID is retrieved using Schema.Describe calls.
C. Ensure the deployment is validated by a System Admin user on Production.
D. Ensure a record type with an ID of BUSINESS_RECORDTYPEID exists on Production prior to deployment.

Answer: A

NEW QUESTION # 143
A developer created a new after insert trigger on the Lead object that creates Task records for each Lead.
After deploying to production, an existing outside integration that inserts Lead records in batches to Salesforce is occasionally reporting total batch failures being caused by the Task insert statement. This causes the integration process in the outside system to stop, requiring a manual restart.
Which change should the developer make to allow the integration to continue when some records in a batch cause failures due to the Task insert statement, so that manual restarts are not needed?

A. Remove the Apex class from the integration user's profile.
B. Use a try-catch block after the insert statement.
C. Deactivate the trigger before the integration runs.
D. Use the Database method with allow one set to false.

Answer: D

NEW QUESTION # 144
A developer must create a ShippingCalculator class that cannot be instantiated and must include a working default implementation of a calculate method, that sub-classes can override. What is the correct implementation of the ShippingCalculator class?

A. Public abstract class ShippingCalculator {
public abstract calculate() { /*implementation*/ }
}
B. Public abstract class ShippingCalculator {
public virtual void calculate() { /*implementation*/ }
}
C. Public abstract class ShippingCalculator {
public void calculate() { /*implementation*/ }
}
D. Public abstract class ShippingCalculator {
public override calculate() { /*implementation*/ }
}

Answer: B

Explanation:
the extending class can override the existing virtual methods by using the override keyword in the method definition. Overriding a virtual method allows you to provide a different implementation for an existing method https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_extending.htm

NEW QUESTION # 145
......

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