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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Performance and Data Management	18%	- Optimize queries and handle large data volumes - Governor limits optimization and best practices - Data modeling and complex data operations
Topic 2: User Interface Development	20%	- Implement advanced Visualforce functionality - Optimize UI performance and usability - Build complex Lightning Web Components and Aura Components
Topic 3: Advanced Developer Fundamentals	15%	- Apply security best practices in development - Design and maintain scalable, reusable code - Work with localization, multi-currency, and global features
Topic 4: Logic, Process Automation, and Integration	27%	- Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - REST/SOAP API, Platform Events, and external integrations - Complex business logic and automation design
Topic 5: Testing, Debugging, and Deployment	20%	- Advanced testing strategies and test frameworks - Deployment strategies, CI/CD, and change management - Debugging and error handling across layers

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q186-Q191):

NEW QUESTION # 186
Refer to the following code snippets:
A developer is experiencing issues with a Lightning web component. The component must surface information about Opportunities owned by the currently logged-in user.

When the component is rendered, the following message is displayed: "Error retrieving data". Which modification should be implemented to the Apex class to overcome the issue?

A. Use the Continuation=true attribute in the Apex method.
B. Use the Cacheable=true attribute in the Apex method,
C. Ensure the OWD for the Opportunity object is Public.
D. Edit the code to use the w. cut sharing keyword in the Apex class.

Answer: B

Explanation:
The @AuraEnabled(cacheable=true) attribute allows caching of method results on the client side, reducing server trips for already fetched data, which is useful for read-only data.

NEW QUESTION # 187
How should a developer verify that a specific Account record is being tested in a test class for a Visualforce controller?

A. Insert the Account in the test class, instantiate the page reference in the test class, then use System.currentFageReference() .getFarameters() .put{) to set the Account ID.
B. Instantiate the page reference in the test class, insert the Account inthe test class, then use system.setFarentRecordrd() .get() to set the Account ID,
C. Insert the Account into Salesforce, instantiate the page reference in the test class, then use system. setFarentRecordId() .get() to set the Account ID.{of Instantiate the page reference in the test class, insert the Account inthe test class, then use =seeAllData=trus to view the Account.

Answer: A

Explanation:
To test a Visualforce controller that works with specific records, you should insert the necessary test data in the test class. Then instantiate a PageReference for the Visualforce page, set the record id in the page parameters, and use System.currentPageReference().getParameters().put('id', recordId) to simulate navigating to the page with that record.

NEW QUESTION # 188
For compliance purposes, a company is required to track long-term product usage in their org. The information that they need to log will be collected from more than one object and, over time, they predict they will have hundreds of millions of records.
What should a developer use to implement this?

A. Setup audit trail
B. Field history tracking
C. Field audit trail
D. Big objects

Answer: D

Explanation:
Big objects provide a solution for storing and managing large amounts of data within Salesforce. They are ideal for compliance purposes when tracking long-term usage data that will accumulate over time into very large record counts.

NEW QUESTION # 189
A developer is trying to access org data from within a test class.
Which sObject type requires the test class to have the (seeAllData=true) annotation?

A. Report
B. Profile
C. User
D. RecordType

Answer: A

Explanation:
https://salesforce.stackexchange.com/questions/149110/when-is-it-appropriate-to-use-seealldata-true

NEW QUESTION # 190
A company accepts orders for customers in their enterprise resource planning (ERP) system that must be integrated into Salesforce as order_ c records with a lookup field to Account. The Account object has an external ID field, ENF_Customer_ID_c.
What should the Integration use to create new Oder_c records that will automatically be related to the correct Account?
A)

B)

C)

D)

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

Answer: A

Explanation:
When integrating external systems with Salesforce and creating records that need to be associated with existing Salesforce records based on an external ID, Salesforce provides the ability to reference an external ID field in a related object directly within a create or update call.
Option A is correct because the upsert operation can be used to either insert new records or update existing ones. By specifying the external ID field (ENF_Customer_ID__c) for the Account relationship, the system will automatically link the Order__c record to the correct Account based on the external ID provided by the ERP system.
Options B, C, and D are incorrect because they do not specifically utilize the capability of referencing an external ID to associate records during an integration process.
Salesforce Developer Documentation on Inserting or Updating Records Using an External ID: Inserting or Updating Records Using an External ID

NEW QUESTION # 191
......

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