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Salesforce Plat-Dev-201 Exam Syllabus Topics:

Topic	Details
Topic 1	User Interface: Covers building secure custom UIs using Lightning Web Components, Visualforce, and Flow, including component events, framework benefits, and preventing UI and data access security vulnerabilities.
Topic 2	Testing, Debugging, and Deployment: Covers writing tests for Apex and flows, using Salesforce developer tools (DX, CLI, Developer Console), debugging and monitoring system issues, and deploying code and configurations across environments.
Topic 3	Process Automation and Logic: Focuses on automating business logic using declarative tools and Apex, including SOQL SOSL DML, control flow, governor limits, transaction execution order, exception handling, and Apex classes and triggers best practices.
Topic 4	Developer Fundamentals: Covers Salesforce multi-tenant concepts, MVC and Lightning Component Framework, declarative vs. programmatic customization decisions, data modeling, and basic Agentforce use cases for developers.

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Salesforce Certified Platform Developer Sample Questions (Q145-Q150):

NEW QUESTION # 145
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? Choose 2 answers

A. throw new ParityException();
B. throw new ParityException("parity does not match");
C. new ParityException();:
D. new ParityException('parity does not match');

Answer: A,B

NEW QUESTION # 146
An Apex method, getAccounts, that returns a list of Accounts given a searchTern, is available for Lightning Web Components to use.
What is the correct definition of a Lightning Web Component property that uses the getAccounts method?

Answer: B

NEW QUESTION # 147
A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId:
opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId
= :thisOppId)]; } return oppLineItems; } }
The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

A. Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.
B. Use the System.Limits.getQueries() method to ensure the number of queries is less than 100.
C. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.
D. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.

Answer: A

NEW QUESTION # 148
A company wants to implement a new call center process for handling customer service calls. It requires service reps to ask for the caller's account number before proceeding with the rest of their call script.
Following best practices, what is the optimal approach to satisfy this requirmrnt?

A. Einstein Next Best Action
B. Flow Builder
C. Apex trigger
D. Approvals

Answer: B

NEW QUESTION # 149
A developer wants to improve runtime performance of Apex calls by caching result on the client.
What is the most efficient way to implement this and follow best practices?

A. Decorate the server-side method with @AuraEnabled (cacheable-true.
B. Call the setStoeable () method on the action in the javaScript client-sidecode.
C. Decorate the server-side method with @AuraEnabled (total-true).
D. Set a ciikie in the browser for use upon return to the page.

Answer: A

NEW QUESTION # 150
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