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Salesforce PDI (Platform Developer I) Certification Exam is a valuable certification that demonstrates your skills and knowledge in developing custom applications on the Salesforce platform. PDI exam covers a range of topics, and with the right preparation, you can pass the exam and become a certified Salesforce professional. Platform Developer I (PDI) certification is highly respected in the industry and can open up new job opportunities and career growth.

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Salesforce PDI (Platform Developer I) Certification Exam is designed to test the knowledge and skills required to develop custom applications on the Salesforce Platform. Platform Developer I (PDI) certification is intended for individuals who have experience with Salesforce development and are looking to validate their skills and knowledge. The PDI Exam covers a range of topics, including Apex, Visualforce, data modeling, and integration. Platform Developer I (PDI) certification is an excellent way for developers to demonstrate their expertise in Salesforce development and increase their visibility in the job market.

Salesforce Platform Developer I (PDI) Sample Questions (Q49-Q54):

NEW QUESTION # 49
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. throw new ParityException ();
B. throw new parityException ('parity does not match');
C. new ParityException('parity does not match');
D. new ParityException ();

Answer: A,B

Explanation:
* Throwing Exceptions in Apex:
* throw new ExceptionType();creates a new instance and throws it.
* A: No argument constructor.
* B: Constructor with a custom error message.
* Why Not Other Options?
* C and D: These create exception instances but do not throw them, which is not valid syntax for firing an exception.
References:Apex Exception Handling:https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_exception_methods.htm

NEW QUESTION # 50
A company wants to create an employee rating program that allows employees to rate each other. An employee's average rating must be displayed on the employee record. Employees must be able to create rating records, but are not allowed to create employee records. Which two actions should a developer take to accomplish this task? choose 2 answers

A. Create a master-detail relanstionship between the rating and employee object
B. Create a trigger on the rating object that updates a field on the employee object
C. Create a lookup realntionship beteween the rating and employee object
D. Create a roll-up sumary field on the employee and use avg to calculate the average rating score

Answer: A,D

NEW QUESTION # 51
What are two considerations for deploying from a sandbox to production?
Choose 2 answers

A. All triggers must have at least one line of test coverage.
B. Unit tests must have calls to the System.assert method.
C. At least 75% of Apex code must be covered by unit tests.
D. Should deploy during business hours to ensure feedback can be quickly addressed.

Answer: A,C

Explanation:
* A. 75% Test Coverage: Salesforce mandates that 75% of all Apex code must be covered by tests to be deployable to production.
* D. Trigger Coverage: Each Apex trigger must have at least one line of test coverage to ensure it is properly tested.

NEW QUESTION # 52
A developer is designing a new application on the Salesforce platform and wants to ensure it can support multiple tenants effectively.
Which design framework should the developer consider to ensure scalability and maintainability?

A. Waterfall Model
B. Agile Development
C. Model-View-Controller (MVC)
D. Flux (view, action, dispatcher, and store)

Answer: C

Explanation:
* MVC: The Model-View-Controller design pattern is ideal for Salesforce development as it separates the business logic (model), user interface (view), and controller logic, ensuring scalability and maintainability.
* Salesforce's architecture inherently supports MVC, with sObjects as the model, Visualforce or Lightning components as the view, and Apex controllers as the controller.
Why not other options?
* A: The Waterfall model is a development methodology, not a design framework.
* B: Flux is a front-end application architecture and not relevant to Salesforce.
* D: Agile is a development methodology, not a design framework.
References:
* Salesforce MVC Architecture

NEW QUESTION # 53
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 override calculate() { /*implementation*/ }
}
C. Public abstract class ShippingCalculator {
public virtual void calculate() { /*implementation*/ }
}
D. Public abstract class ShippingCalculator {
public void calculate() { /*implementation*/ }
}

Answer: C

Explanation:
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 methodhttps://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_extending.htm

NEW QUESTION # 54
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