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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
User Interface Development	20%	- Implement advanced Visualforce functionality - Build complex Lightning Web Components and Aura Components - Optimize UI performance and usability
Logic, Process Automation, and Integration	27%	- REST/SOAP API, Platform Events, and external integrations - Advanced Apex programming and transaction management - Complex business logic and automation design - Asynchronous Apex: future, queueable, batch, scheduled
Performance and Data Management	18%	- Governor limits optimization and best practices - Data modeling and complex data operations - Optimize queries and handle large data volumes
Testing, Debugging, and Deployment	20%	- Deployment strategies, CI/CD, and change management - Debugging and error handling across layers - Advanced testing strategies and test frameworks
Advanced Developer Fundamentals	15%	- Design and maintain scalable, reusable code - Apply security best practices in development - Work with localization, multi-currency, and global features

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q177-Q182):

NEW QUESTION # 177
A company has a web page that needs to get Account record information, such as name, website, and employee number. The Salesforce record 1D is known to the web page and it uses JavaScript to retrieve the account information.
Which method of integration is optimal?

A. Apex REST web service
B. SOAP API
C. REST API
D. Apex SOAP web service

Answer: C

Explanation:
For retrieving specific records using a known ID, the REST API is optimal due to its stateless, cacheable communications and lightweight structure. It's ideal for web applications that use JavaScript to make requests directly from the user's browser. Using the REST API, the web page can make a simple HTTP GET request to the Salesforce REST service endpoint and retrieve the account information in a format that's easily handled by JavaScript (typically JSON).
REST API Developer Guide

NEW QUESTION # 178
Refer to the following code snippet:

A developer created a JavaScript function as part of a Lightning web component (LWC) that surfaces information about Leads by wire calling geyFetchLeadList whencertain criteria are met. Which three changes should the developer implement in the Apex class above to ensure the LWC can display data efficiently while preserving security? Choose 3 answers

A. Implement the with sharing keyword in the class declaration.
B. Implement the with keyword in the class declaration.
C. Annotate the Apex method with @AuraEnabled(Cacheable=True).
D. Use the WZ E D clause within the SOQL query.
E. Annotate the Apex method with @AuraEnabled.

Answer: A,C,E

Explanation:
The Apex class needs to have the method annotated with @AuraEnabled to expose it to the LWC. The 'with sharing' keyword ensures that the data access is enforced according to the user's permissions. @AuraEnabled(cacheable=true) allows client-side caching for improved performance.
@AuraEnabled Annotation: Apex Developer Guide
Enforcing Sharing Rules: Apex Developer Guide

NEW QUESTION # 179
How should a developer assert that a trigger with an asynchronous process has successfully run?

A. Create all test data, use future in the rest class, then perform assertions.
B. Insert records into Salesforce, use seeAllData=true, then perform assertions.
C. Create all test data in the test class, invoke Test.startTest{} and Test.etopTaat {} and then perform assertions.
D. Create all test data in the test class, use system. runs {} to invoke the trigger, then perform assertions.

Answer: C

Explanation:
Use Test.startTest() and Test.stopTest(). These methods ensure asynchronous code runs within test execution and allows for accurate assertions.

NEW QUESTION # 180
A developer creates an application event that has triggered an infinite loop.
What may have caused this problem?

A. An event is fired 'ontouchend'' and is unhandled.
B. The event is fired from a custom renderer.
C. The event handler calls a trigger.
D. The event has multiple handlers registered in the project.

Answer: D

Explanation:
The infinite loop in the application event could be caused by multiple handlers registered in the project. If the event is fired and then handled in such a way that the handling leads to the event being fired again, this can create a loop. Care must be taken to ensure that the handling of the event does not re-trigger the same event unintentionally.

NEW QUESTION # 181
Which method should be used to convert a Date to a String in the current user's locale?

A. Date. format
B. Date.paras
C. String.valueof
D. String.format

Answer: A

Explanation:
The format method of the Date class is used to convert a Date to a String formatted in the current user's locale. This respects the locale settings of the user context under which the code is running, ensuring the date is represented in a way that is familiar to the user.
Apex Developer Guide

NEW QUESTION # 182
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