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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
Topic 1: Data Modeling and Management	- Advanced data modeling 1. Complex relationships and schema design 2. Large data volume considerations - Data access and security 1. Sharing rules and Apex-managed sharing 2. Security enforcement in Apex
Topic 2: Application Development	- Asynchronous processing 1. Scheduled Apex 2. Future methods and limits considerations 3. Batch Apex and Queueable Apex - Advanced Apex programming 1. Apex design patterns and best practices 2. Exception handling and debugging strategies 3. Dynamic Apex and metadata-driven development
Topic 3: Integration and APIs	- Platform events and messaging 1. Event-driven architecture 2. Change Data Capture concepts - External system integration 1. REST and SOAP API usage 2. Callouts from Apex
Topic 4: Testing and Deployment	- Deployment lifecycle 1. Version control and CI/CD concepts 2. Change sets and deployment tools - Testing strategies 1. Test data creation and mocking 2. Code coverage and quality practices

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q18-Q23):

NEW QUESTION # 18
What is a benefit of JavaScript remoting over Visualforce Remote Objects?

A. Supports complex server-side application logic
B. Allows for specified re-render targets
C. Does not require any JavaScript code
D. Does not require any Apex code

Answer: A

Explanation:
JavaScript remoting in Visualforce allows for the execution of complex server-side application logic without the need to refresh the entire page, providing a more dynamic user experience. It supports more complex operations than Visualforce Remote Objects, which are intended for basic CRUD operations.

NEW QUESTION # 19
Recently, users notice that fields that were recently added for one department suddenly disappear without warning.
Which two statements are true regarding these issues and resolution?
Choose 2 answers

A. A sandbox should be created to use as a unified testing environment instead of deploying Change Sets directly to production.
B. The administrators are deploying their own Change Sets, thus deleting each other's fields from the objects in production.
C. Page Layouts should never be deployed via Change Sets, as this causes Field-Level Security to be reset and fields to disappear.
D. The administrators are deploying their own Change Sets over each other, thus replacing entire Page Layouts in production.

Answer: A,D

Explanation:
Using a dedicated sandbox for testing before deployment can prevent issues like overwriting changes in production. When administrators deploy their own change sets without coordination, they might inadvertently overwrite each other's changes, including page layouts. Best Practices for Deployments with Change Sets

NEW QUESTION # 20
Refer to the test method below:

The test method tests an Apex trigger that the developer knows will make a lot of queries when a lot of Accounts are simultaneously updated to be customers. The test method fails at the Line 20 because of too many SOQL queries. What is the correct way to fix this? A)

B)

C)

D)

A. Option A
B. Option B
C. Option C
D. Option D

Answer: D

Explanation:
The correct way to fix this is to add Test.startTest() before and add Test.stopTest() after Line 18 of the code. This will reset the governor limits for the code that executes between these two methods, and allow the test to run without hitting the SOQL query limit.The Test.startTest() and Test.stopTest() methods are used to test code that makes a lot of queries or calls asynchronous methods12. By using these methods, the developer can isolate the code that needs more resources and verify that it does not exceed the governor limits.
:
Using Limits, startTest, and stopTest | Apex Developer Guide | Salesforce Developers Test.StartTest & Test.StopTest - Salesforce Developer Community Why would a developer use test startTest and test stopTest in Salesforce? | ForceTalks

NEW QUESTION # 21
Which use case can be performed only by using asynchronous Apex?

A. Calling a web service from an Apex trigger
B. Updating a record after the completion of an insert
C. Querying tens of thousands of records
D. Making a call to schedule a batch process to complete in the future

Answer: A

Explanation:
Making a callout from an Apex trigger is not allowed synchronously; hence, such callouts must be performed in an asynchronous context. The only way to perform this within the Salesforce platform is by using asynchronous Apex, such as @future methods or Queueable Apex.

NEW QUESTION # 22
A software company uses a custom object, Defact__c, to track defects in their software. Defect__c has organization-wide defaults set to private. Each Defect_ c has a related list of Reviewer < records, each with a lookup field to User that is used to indicate that the User will review the defect__c.
What should be used to give the User on the Reviewer_c record read only access to the Defect__c record on the Reviewer_c record?

A. View All on Defect__c
B. Apex managed sharing
C. Lightning web component
D. Criteria-based sharing

Answer: B

Explanation:
Apex managed sharing is used to programmatically share records when organization-wide defaults are private. It allows for creating share records that give read-only access to users specified in a related list.

NEW QUESTION # 23
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