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In terms of the MVC paradigm, what are two advantages of implementing the view layer of a Salesforce application using Lightning Web Component-based development over Visualforce?
Choose 2 answers
Advantages of Lightning Web Components (LWC):
A . Rich component ecosystem:
LWCs have a modern, rich component library designed for modular and reusable development.
D . Self-contained and reusable units:
LWCs are designed to be modular, reusable, and self-contained, reducing duplication and enhancing maintainability.
Why Not Other Options?
B . Log capturing via Debug Logs Setup page: This is unrelated to LWC and is a debugging feature.
C . Built-in standard and custom set controllers: Relevant to Visualforce, not LWCs.
How should a developer write unit tests for a private method in an Apex class?
The@TestVisibleannotation allows private methods or variables to be accessed in test classes. This ensures that the private method can be adequately tested without changing its access modifier.
Below is the formatted response for the provided question, adhering to the specified format and requirements. The question falls under the Salesforce Platform and Declarative Features topic, as it involves securing SOQL queries against injection vulnerabilities in the context of Visualforce, which is a key concept in the Salesforce Platform Developer I certification. The answer is based on official Salesforce Platform Developer I documentation, with a comprehensive explanation and references to relevant Salesforce documentation. Since the question asks for two correct answers, the response will identify both and explain why they are safe, as well as why the others are not.
Which three resources in an Aura component can contain JavaScript functions?
Choose 3 answers
In Aura components:
B . Renderer:Contains custom rendering logic.
C . Controller:Manages user interaction and component events.
E . Helper:Contains reusable JavaScript functions for logic.
Incorrect Options:
A (Style):Contains CSS, not JavaScript.
D (Design):Defines design-time attributes, not JavaScript logic.
How does the Lightning Component framework help developers implement solutions faster?
The Lightning Component Framework simplifies development by providing built-in device awareness, enabling components to adapt automatically for different devices such as mobile phones, tablets, and desktops.
Incorrect Options:
B:Agile processes are not part of the Lightning framework itself.
C & D:These are not features provided by the Lightning framework.
A developer wants to send an outbound message when a record meets a specific criteria.
Which two features satisfy this use case?
Flow Builder:
Flow Builder can evaluate record criteria using a Decision element and then send an outbound message using the 'Action' element.
Allows automation without Apex.
Approval Process:
Approval Processes can evaluate criteria and trigger outbound messages as one of the associated actions.
Why Not Other Options?
C . Entitlement Process: Focuses on managing entitlements, not triggering outbound messages.
D . Next Best Action: Used for recommendations and guided actions, not for triggering outbound messages.
Approval Process Documentation:https://help.salesforce.com/s/articleView?id=approval_defining.htm
204 questions covering all exam domains, starting from $20
Exam domains verified against: Official Salesforce Plat-Dev-201 exam guide, last checked August 2026.
Understand multi-tenant concepts and design frameworks such as MVC architecture and Lightning Component Framework. Learn to identify common use cases and best practices for choosing between declarative and programmatic customizations, including how to work with governor limits, formula fields, and roll-up summaries.
Master declarative process automation features and Apex language fundamentals including variables, constants, methods, and interfaces. Write and optimize SOSL, SOQL, and DML statements while understanding governor limits, transaction execution, exception handling, and best practices for triggers and classes.
Sample question from this domain above: Q5
Prevent security vulnerabilities in user interfaces and data access controls. Build custom UI components using Lightning Web Components, Flow, and Visualforce, and implement Apex to work effectively with various page components including Lightning components, Flow, and Agentforce.
Write and execute comprehensive tests for triggers, controllers, classes, and flows using various test data sources. Use Salesforce Developer tools like Salesforce DX, Salesforce CLI, and Developer Console, then approach debugging and deployment with knowledge of environments, requirements, and processes.
Sample question from this domain above: Q2
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