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Salesforce PDII Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Integration and Web Services	15%	- External objects and data sources - API usage and limits - Data integration patterns - REST and SOAP integrations
Topic 2: Business Logic and Process Automation	25%	- Asynchronous processing (Batch, Queueable, Future) - Custom metadata and settings - Governor limits and performance optimization - Advanced triggers and Apex logic
Topic 3: Data Modeling and Management	12%	- Complex data modeling - Large data volume handling - Data validation and consistency - SOQL and SOSL optimization
Topic 4: Advanced Developer Fundamentals	15%	- Localization and internationalization - System classes and utility methods - Sharing and security model implementation - Advanced Apex coding best practices
Topic 5: User Interface Development	15%	- Component communication and reusability - Visualforce advanced features - Lightning Web Components development - Aura Components advanced usage
Topic 6: Testing, Debugging and Deployment	18%	- Continuous integration and delivery - Debugging and error handling - Deployment strategies and tools - Advanced testing techniques

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Salesforce Platform Developer II Sample Questions (Q147-Q152):

NEW QUESTION # 147
What are three reasons that a developer should write Jest tests for Lightning web components?
Choose 3 answers

A. To test how multiple components work together
B. To verify the DOM output of a component
C. To verify that events fire when expected
D. To test basic user interaction
E. To test a component's non-public properties.

Answer: B,D,E

Explanation:
Jest tests are essential for developing Lightning Web Components (LWC) because they allow developers to ensure the quality and correctness of their components in isolation from the rest of the application. Reason A is incorrect because testing non-public properties breaks encapsulation and is considered bad practice. B is correct because Jest tests can simulate user interactions with the component, such as clicking buttons or entering text, to ensure it behaves as expected. C is correct as well because Jest tests can confirm that the component renders the expected DOM output, which is crucial for ensuring that the HTML structure of the component is accurate. D is not the best choice since Jest is more suited for testing components in isolation rather than how multiple components interact; integration tests are more appropriate for that. Lastly, E is correct because Jest tests can verify that events are fired at the appropriate times, which is a critical part of the component's interaction with the rest of the application.
References
Jest Testing: Lightning Web Components Testing
Jest Testing Best Practices: Lightning Web Components Jest Best Practices

NEW QUESTION # 148
What is the output of the following code snippet? 1 Contact con = new Contact( LastName = 'JOHNSON', LeadSource = 'Web') 2 3 Savepoint sp = Database.setSavepoint(); 4 insert con; 5 Database.rollback(sp); 6 7 con.LeadSource = 'Email' 8 insert con;

A. A runtime error will be thrown on line 8.
B. A runtime error will be thrown on line 5.
C. The contact record will be inserted with Leadsource value Email.
D. The contact record will be inserted with Leadsource value Web.

Answer: A

NEW QUESTION # 149
If a developer wanted to display error messages with the standard Salesforce UI styling, what would they use?

A. <apex:pageMessages>
B. <apex:message>
C. <apex:outputText>
D. <apex:error>

Answer: A

NEW QUESTION # 150
A business requires that every parent record must have a child record. A developer writes an Apex method with two DML statements to insert a parent record and a child record.
A validation rule blocks child records from being created. The method uses a try/catch block to handle the DML exception.
What should the developer do to ensure the parent always has a child record?

A. Delete the parent record in the catch statement when an error occurs on the child record DML operation.
B. Use Catabase.inserc() and set the all = parameter to true,
C. Set a database savepoint to rollback if there are errors.
D. Use addExror() on the parent record if an error occurs on the child record.

Answer: C

Explanation:
By setting a savepoint before the DML operations and rolling back to that savepoint in the event of an exception, the developer can ensure that the parent record is not committed without a corresponding child record.
References:
Apex Developer Guide

NEW QUESTION # 151
An org has a requirement that addresses on Contacts and Accounts should be normalized to a company standard by Apex code any time that they are saved. What is the optimal way to implement this?

A. Apex trigger on Contact that calls the Account trigger to normalize the address
B. Apex trigger on Account that calls the Contact trigger to normalize the address
C. Apex triggers on Contact and Account that normalize the address
D. Apex triggers on Contact and Account that call a helper class to normalize the address

Answer: D

Explanation:
In software engineering, the DRY (Don't Repeat Yourself) principle is fundamental for maintainability. If the logic for normalizing an address is identical for both Accounts and Contacts, that logic should not be duplicated across two separate trigger files.
The optimal implementation (Option D) is to create a single Trigger Helper or Utility class. This class contains a static method (e.g., AddressService.normalize(List<sObject> records)) that performs the normalization logic. You then create a small trigger on the Account object and a small trigger on the Contact object, both of which simply invoke this shared helper method.
This approach offers several advantages:
* Maintainability: If the company standard for addresses changes (e.g., changing "St." to "Street"), the developer only needs to update the code in one place.
* Reusability: The helper method can also be called from other contexts, such as an Anonymous Apex script or a Batch job.
* Readability: Triggers remain "thin" and easy to read, acting only as entry points rather than containing complex business logic.
Options B and C are technically impossible; a trigger on one object cannot "call" a trigger on another object directly. Option A is less optimal because it leads to code duplication and a higher risk of bugs when logic is updated in one trigger but forgotten in the other.

NEW QUESTION # 152
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