Salesforce Plat-Dev-201 Exam Dumps

Scratch orgs are temporary, source-driven Salesforce environments used for development and testing. They allow developers to:

Work on independent features without interfering with each other's configurations.

Utilize a source-driven development model for CI/CD pipelines.

:Scratch Orgs Overview

MVC: The Model-View-Controller design pattern is ideal for Salesforce development as it separates the business logic (model), user interface (view), and controller logic, ensuring scalability and maintainability.

Salesforce's architecture inherently supports MVC, with sObjects as the model, Visualforce or Lightning components as the view, and Apex controllers as the controller.

Why not other options?

A: The Waterfall model is a development methodology, not a design framework.

B: Flux is a front-end application architecture and not relevant to Salesforce.

D: Agile is a development methodology, not a design framework.

:

Salesforce MVC Architecture

TherecordSetVarattribute of thetag allows a Visualforce page to handle multiple records, which is ideal for list buttons that display a page for bulk editing.

Why not other options?

A: Standard controllers can be extended, but usingrecordSetVaris the direct and best-supported method for this scenario.

B: There is no such concept as a 'Custom List Controller' in Visualforce.

C:<spex:listButton>is not a valid Visualforce tag.

:

Visualforce Standard Controller with RecordSetVar

When working with a Lightning Web Component (LWC), the correct syntax for importing an Apex method is:import methodName from '@salesforce/apex/ControllerName.methodName';.

Why not other options?

A,B, andC: These use incorrect syntax for importing Apex methods in LWCs.

:

Lightning Web Components Documentation

Option B: Reusing event logic in the helper ensures cleaner and reusable code.

Option D: Handling low-level events in handlers and re-firing them as higher-level events allows for better abstraction and modularity.

:Aura Event Handling Documentation