SALESFORCE-PD1 User Interface Practice Question
Which CSS methodology forms the foundation of the styling architecture in Salesforce Lightning Design System (SLDS)?
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
✓
BEM (Block Element Modifier)
SLDS is built using BEM (Block Element Modifier) methodology for class naming conventions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Bootstrap grid standards
Why it's wrong here
Incorrect because Bootstrap is not used by SLDS.
- ✓
BEM (Block Element Modifier)
Why this is correct
Correct because SLDS utilizes BEM naming conventions.
- ✗
OOCSS exclusively without modifiers
Why it's wrong here
Incorrect because BEM is specifically used.
- ✗
Tailwind utility prefixes
Why it's wrong here
Incorrect because Tailwind is a different framework.
About these practice questions
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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.