Salesforce - Plat-Dev-301 - Updated New Salesforce Certified Platform Developer II - Multiple Choice Test Tutorial

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Section	Objectives
Application Development	- Asynchronous processing 1. Future methods and limits considerations 2. Scheduled Apex 3. Batch Apex and Queueable Apex - Advanced Apex programming 1. Apex design patterns and best practices 2. Dynamic Apex and metadata-driven development 3. Exception handling and debugging strategies
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
Data Modeling and Management	- Advanced data modeling 1. Large data volume considerations 2. Complex relationships and schema design - Data access and security 1. Sharing rules and Apex-managed sharing 2. Security enforcement in Apex
Integration and APIs	- Platform events and messaging 1. Change Data Capture concepts 2. Event-driven architecture - External system integration 1. REST and SOAP API usage 2. Callouts from Apex

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Plat-Dev-301 Dumps - Salesforce Certified Platform Developer II - Multiple Choice Exam Questions [2026]

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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions (Q146-Q151):

NEW QUESTION # 146
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 getRecordUi to obtain metadata.
B. Use the Lightning Data Service.
C. Use lazy load for occasionally accessed data.
D. Use layoutTypes: 9'Full') to display a set of fields.
E. Use {Cacheable=true} whenever possible

Answer: B,C,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 # 147
Users report that a button on a custom Lightning web component (LWC) is not saving the data they enter. The button looks to be clicked, but the LWC simply sits there, seemingly doing nothing.
What should the developer use to ensure error messages are properly displayed?

A. Add JavaScript and HTML to display an error message.
B. Add a try-catch block surrounding the DML statement.
C. Use the Database method with a110rNone Set to false.
D. Add the <apex:messages/> tag to the component.

Answer: A

Explanation:
To ensure error messages are properly displayed in a Lightning web component, the developer should use JavaScript to handle errors in the component's client-side code and use HTML to display the message on the UI. This can be combined with Apex exception handling for server-side operations.

NEW QUESTION # 148
Universal Containers develops a Salesforce application that requires frequent interaction with an external REST API.
To avoid duplicating code and improve maintainability, how should they implement the APL integration for code reuse?

A. Include the API integration code directly in each Apex class that requires it.
B. Create a reusable Apex class for the AFL integration and invoke it from the relevant Apex classes.
C. Store the APT integration code as a static resource and reference it in each Apex class.
D. Use a separate Apex class for each API endpoint to encapsulate the integration logic,

Answer: B

Explanation:
Creating a reusable Apex class for API integration allows for code encapsulation and maintainability. This class can then be invoked from any other Apex class that requires interaction with the API, preventing code duplication.

NEW QUESTION # 149
The Salesforce admin et Cloud Kicks created a custom object called Region_c to store all postal zip codes in the United States and the Cloud Kicks sales region the zip code belongs to.

Cloud Kicks wants a trigger on the Lead to populate the Region based on the Lead's zip code. Which code segment is the most efficient way to fulfill this request? A)

B)

C)

D)

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

Answer: B

NEW QUESTION # 150
Universal Containers uses a custom Lightning page to provide a mechanism to perform a step-by-step wizard search for Accounts. One of the steps in the wizard is to allow the user to input text into a text field, ERF Number_c, that is then used in a query to find matching Accounts.

Which step should be taken to resolve the issue?

A. Mark the ERP_Number__ c field as required.
B. Perform the SOQL query as part of a for loop.
C. Mark the ERP_Numker = field as an external ID.
D. Move the SO0L query to within an asynchronous process.

Answer: D

Explanation:
If a SOQL query is causing performance issues due to a non-selective query on a large data volume, moving the query to an asynchronous process such as a Batch Apex or Queueable Apex can help resolve the issue. This allows the query to run in the background without affecting the user's experience.

NEW QUESTION # 151
......

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