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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Architecture	18%	- Governor limits and bulkification - Namespace and package management - Design patterns and Apex trigger frameworks - Apex Enterprise Patterns
User Interface	18%	- Visualforce advanced controllers - Lightning Data Service - Aura Components - Lightning Web Components (LWC) advanced features
Integration	15%	- REST and SOAP web services (Apex callouts) - External Services and Connect REST API - Named Credentials and authentication - Platform Events and Change Data Capture
Logic and Process Automation	22%	- Dynamic Apex and SOQL/SOSL - Asynchronous Apex (Batch, Queueable, Future, Scheduled) - Invocable Actions and Platform Events - Advanced Apex programming
Testing, Debugging, and Deployment	15%	- Debugging and performance profiling - Apex unit testing best practices - Test data strategies and mocking - Deployment tools (SFDX, Metadata API)
Data Modeling	12%	- External objects and data sources - Large data volumes considerations - Advanced object relationships and data modeling

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q15-Q20):

NEW QUESTION # 15
What should be added to the setup, in the location indicated, for the unit test above to create the controller extension for the test?

A. AccountControllerExt extension = new AccountControllerExt (acct);
B. ApexPages.StandardController sc = new ApexPages.StandardController(acct);AccountcontrollerExt extension = new AccountControllerExt(sc);
C. AccountControllerExt extension = new AccountControllerExt (acct.Id) ;
D. ApexPages.Standardcontroller sc = new ApexPages. Standardcontroller (acct.Id) ;AccountControllerExt extension = new AccountControllerExt(sc) ;om

Answer: B

Explanation:
For the unit test to create the controller extension, the correct setup is to instantiate a new ApexPages.StandardController with the Account record and then use it to instantiate the AccountControllerExt. This sets up the controller extension with the context of the provided Account record.

NEW QUESTION # 16
A company's support process dictates that any time a case is closed with a status of "Could net fix," an Engineering Review custom object record should be created and populated with information from the case, the contact, and any of the products associated with the case.
What Is the correct way to automate this using an Apex trigger?

A. A before update trigger on Case that creates the Engineering Review record and Inserts It
B. An after update trigger on Case that creates the Engineering Review record and inserts it
C. A before upset trigger on Case that creates the Engineering Review record and Inserts it
D. An after upset trigger on Case that creates the Engineering Review record and inserts It .

Answer: B

Explanation:
In Salesforce, triggers can be defined to execute before or after a DML operation. An "after" trigger is used when you want to use the records that have been changed and rely on their committed values. In this scenario, you would use an after update trigger because you need to create a new record (Engineering Review) after the case has been updated with a status of "Could not fix". This cannot be done in a "before" trigger because the changes have not yet been committed to the database.
Therefore, the correct answer is A, which specifies an after update trigger on the Case object to create and insert the Engineering Review record.
Salesforce Developer Documentation on Triggers: Apex Developer Guide - Triggers

NEW QUESTION # 17
Which three approaches should a developer implement to obtain the best performance for data retrieval when building a Lightning web component? Choose 3 answers

A. Use lazy load for occasionally accessed data.
B. Use getRecordUi to obtain metadata.
C. Use layoutTypes: 9'Full') to display a set of fields.
D. Use the Lightning Data Service.
E. Use {Cacheable=true} whenever possible

Answer: A,D,E

Explanation:
Lazy loading improves performance by loading data only when needed.
Lightning Data Service (LDS) handles data operations and caching efficiently.
Using {Cacheable=true} on Apex methods enables the Lightning Component framework to cache the method's return value, reducing server round-trips for the same data.
Lightning Web Components Developer Guide

NEW QUESTION # 18
A company uses Salesforce to sell products to customers. They also have an external product information management (PIM) system that is the system of record for products.
A developer received these requirements:
* Whenever a product is created or updated in the PIM, a product must be created or updated as a Product? record in Salesforce and a PricebookEntry record must be created or updated automatically by Salesforce.
= The PricebookEntry should be created in a Priceboek2 that is specified in a custom setting.
What should the developer use to satisfy these requirements?

A. Event Monitoring
B. Custom Apex REST
C. Invocable Action
D. SObject Tree REST

Answer: B

Explanation:
Custom Apex REST services are the optimal solution for integrating Salesforce with an external PIM system. When a product is created or updated in the PIM, the external system can make a REST call to a custom Apex REST endpoint in Salesforce, which then can create or update the Product2 and PricebookEntry records. This method allows using custom settings to determine the Pricebook2 dynamically.

NEW QUESTION # 19
A developer created the following test method:

The developer org has five accounts where the name starts with "Test". The developer executes this test in the Developer Console. After the test code runs, which statement is true?

A. There will be six accounts where the name starts with "Test".
B. The test will fail.
C. There will be five accounts where the name starts with "Test".
D. There will be no accounts where the name starts with "Test".

Answer: B

Explanation:
Since the SeeAllData=true annotation is used, the test class does not have its own test data and is relying on the data in the org. The org already has accounts with the name starting with "Test", so the assertion that no accounts should exist after the deletion will fail because the test method only deletes the account that was created within its scope.
Apex Developer Guide

NEW QUESTION # 20
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