# IDFX - Interior Design Fundamentals Exam — Practice Test Geeks
# https://practicetestgeeks.com/llms/idfx-interior-design-fundamentals-exam.txt
# Updated: 2026-06-03

> Free IDFX - Interior Design Fundamentals Exam practice tests and study guides. Free IDFX practice test with questions and answer explanations. Prepare for the IDFX exam with instant score feedback. Updated 2026 May. Language: English. Region: US.

## Overview

- **Category**: IDFX - Interior Design Fundamentals Exam
- **Main page**: https://practicetestgeeks.com/idfx-test
- **Language**: English | **Region**: US
- **Practice tests**: 25 tests, 153 questions total
- **Exam simulation**: Full-length 115-question timed exam (180 min, 63% pass mark)
- **Study guides / articles**: 2 published

## Exam Simulations (Full-Length, Timed, Scored)

Simulates real exam conditions: question count, time limit, passing score, domain weighting.

- [IDFX Interior Design Fundamentals Exam](https://practicetestgeeks.com/idfx/exam) — 115 questions, 180 min, 63% pass
  The IDFX (Interior Design Fundamentals Exam) by CIDQ tests foundational knowledge required for NCIDQ certification, covering design principles, space 

## Practice Tests (25 available)

- [IDFX Ergonomics and Anthropometrics 2](https://practicetestgeeks.com/idfx/questions/ergonomics-and-anthropometrics-2) (7 questions)
- [IDFX Ergonomics and Anthropometrics 3](https://practicetestgeeks.com/idfx/questions/ergonomics-and-anthropometrics-3) (7 questions)
- [IDFX Ergonomics and Anthropometrics 1](https://practicetestgeeks.com/idfx/questions/ergonomics-and-anthropometrics) (7 questions)
- [IDFX - Interior Design Fundamentals Exam Principles and Elements of Design 1](https://practicetestgeeks.com/idfx-interior-design-fundamentals-exam-principles-and-elements-of-design-1-gapfill) (6 questions)
- [IDFX - Interior Design Fundamentals Exam Space Planning and Functionality 1](https://practicetestgeeks.com/idfx-interior-design-fundamentals-exam-space-planning-and-functionality-1-gapfill) (6 questions)
- [IDFX - Interior Design Fundamentals Exam Building Codes and ADA 1](https://practicetestgeeks.com/idfx-interior-design-fundamentals-exam-building-codes-and-ada-1-gapfill) (6 questions)
- [IDFX Building Codes & ADA Accessibility Requirements](https://practicetestgeeks.com/idfx-building-codes-ada-accessibility-requirements-practice-test) (6 questions)
- [IDFX Space Planning and Functionality 3](https://practicetestgeeks.com/idfx-space-planning-and-functionality-3-practice-test) (6 questions)
- [IDFX - Interior Design Fundamentals Exam Lighting and Color Theory 1](https://practicetestgeeks.com/idfx-interior-design-fundamentals-exam-lighting-and-color-theory-1-gapfill) (6 questions)
- [IDFX - Interior Design Fundamentals Exam Materials and Finishes 1](https://practicetestgeeks.com/idfx-interior-design-fundamentals-exam-materials-and-finishes-1-gapfill) (6 questions)
- [IDFX Sustainable Design and Green Building 2](https://practicetestgeeks.com/idfx-sustainable-design-and-green-building-2-practice-test) (6 questions)
- [IDFX Acoustics and Mechanical Systems](https://practicetestgeeks.com/idfx-acoustics-and-mechanical-systems-practice-test) (6 questions)
- [IDFX History and Theory of Interior Design 3](https://practicetestgeeks.com/idfx-history-and-theory-of-interior-design-3-practice-test) (6 questions)
- [IDFX Principles and Elements of Design 3](https://practicetestgeeks.com/idfx-principles-and-elements-of-design-3-practice-test) (6 questions)
- [IDFX - Interior Design Fundamentals Design Communication Methods Questions and Answers](https://practicetestgeeks.com/idfx-interior-design-fundamentals-design-communication-methods-questions-and-answers) (6 questions)
- [IDFX - Interior Design Fundamentals Construction Docs and Specs Questions and Answers](https://practicetestgeeks.com/idfx-interior-design-fundamentals-construction-docs-and-specs-questions-and-answers) (6 questions)
- [IDFX - Interior Design Fundamentals Programming and Site Analysis Questions and Answers](https://practicetestgeeks.com/idfx-interior-design-fundamentals-programming-and-site-analysis-questions-and-answers) (6 questions)
- [IDFX - Interior Design Fundamentals Human Behavior & Environment Questions and Answers](https://practicetestgeeks.com/idfx-interior-design-fundamentals-human-behavior-environment-questions-and-answers) (6 questions)
- [IDFX - Interior Design Fundamentals FF&E and Lighting Specifications Questions and Answers](https://practicetestgeeks.com/idfx-interior-design-fundamentals-ff-e-and-lighting-specifications-questions-and-answers) (6 questions)
- [IDFX - Interior Design Fundamentals Codes and Universal Design Questions and Answers](https://practicetestgeeks.com/idfx-interior-design-fundamentals-codes-and-universal-design-questions-and-answers) (6 questions)
- [IDFX - Interior Design Fundamentals Professional and Ethical Practices Questions and Answers](https://practicetestgeeks.com/idfx-interior-design-fundamentals-professional-and-ethical-practices-questions-and-answers) (6 questions)
- [IDFX Lighting and Color Theory 3](https://practicetestgeeks.com/idfx-lighting-and-color-theory-3-practice-test) (6 questions)
- [IDFX Lighting and Color Theory 2](https://practicetestgeeks.com/idfx-lighting-and-color-theory-2-practice-test) (6 questions)
- [IDFX Materials and Finishes 3](https://practicetestgeeks.com/idfx-materials-and-finishes-3-practice-test) (6 questions)
- [IDFX Materials and Finishes 2](https://practicetestgeeks.com/idfx-materials-and-finishes-2-practice-test) (6 questions)

## Articles & Study Guides

- [IDFX Test Preparation - Ace Your Interior Design Exam](https://practicetestgeeks.com/idfx-test)

## Reference Pages

- [IDFX Practice Test PDF (Free Printable 2026)](https://practicetestgeeks.com/idfx/idfx-practice-test-pdf)

## About Practice Test Geeks

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