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SALESFORCE-PD1 Developer Fundamentals Practice Question

Which component of the MVC design pattern in Salesforce Lightning Web Components (LWC) represents the data model and business logic layer?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Apex classes and database objects

In Salesforce, the Model layer corresponds to the database and Apex controllers/SOQL queries handling data.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Apex classes and database objects

    Why this is correct

    Apex classes, triggers, and standard/custom objects make up the Model.

  • HTML template files

    Why it's wrong here

    HTML template files represent the View layer.

  • CSS style sheets

    Why it's wrong here

    CSS style sheets define the styling in the View layer.

  • JavaScript controller files

    Why it's wrong here

    JavaScript files represent part of the Controller layer in client-side code.

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JA

Written and reviewed by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

Last reviewed August 2026 · checked against the official Salesforce exam blueprint

This SALESFORCE-PD1 practice question is part of Courseiva's free Salesforce certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SALESFORCE-PD1 exam.