Exam Name: Interior Design Professional Exam
Certification Provider: CIDQ
Corresponding Certification: Interior Design Certification
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Instant Download CIDQ : IDPX
Check Updated on: Oct 11, 2026
No. of Questions: 179 Questions & Answers with Exam Engine
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CIDQ IDPX Exam Overview:
| Certification Vendor: | CIDQ (Council for Interior Design Qualification) |
|---|---|
| Exam Name: | Interior Design Professional Exam |
| Exam Number: | IDPX |
| Related Certifications: | PRAC / IDIX (Interior Design Implementation Exam) IDFX (Interior Design Fundamentals Exam) |
| Exam Price: | $350 USD |
| Exam Format: | Multiple-choice questions, Scenario-based items |
| Available Languages: | English |
| Real Exam Qty: | 175 (150 scored, 25 unscored) |
| Exam Duration: | 240 minutes |
| Passing Score: | Scaled score 500+ |
| Certificate Validity Period: | 10 exam administrations from approval |
| Recommended Training: | CIDQ Exam Resources |
| Exam Registration: | CIDQ Official Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based, at authorized test centers |
| Pre Condition: | Completed IDFX exam + 2 years verified interior design work experience; or eligible via direct education/work route |
| Official Syllabus URL: | https://www.cidq.org/exams |
CIDQ IDPX Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Project Process, Roles, and Coordination | 15% | - Project budgeting and scheduling - Design phases and deliverables - Team and stakeholder roles - Coordination across disciplines |
| Topic 2: Integration with Building Systems and Construction | 15% | - Construction types and assemblies - Installation and coordination - Lighting and communication systems - Mechanical, electrical, plumbing systems |
| Topic 3: Contract Administration | 15% | - Contract documents and administration - Change orders and claims - Site observation and project closeout - Bidding and negotiation process |
| Topic 4: Integration of Furniture, Fixtures, & Equipment | 10% | - Materials and finishes performance - Procurement and installation - FFE selection and specification - Product testing and compliance |
| Topic 5: Project Assessment and Sustainability | 15% | - Project goals and requirements - Environmental and wellness principles - Space measurement and standards - Existing conditions analysis |
| Topic 6: Professional Business Practices | 10% | - Ethics and professional conduct - Client and service agreements - Business structures and operations - Liability and risk management |
| Topic 7: Code Requirements, Laws, Standards, and Regulations | 20% | - Legal compliance and jurisdiction - Industry and regulatory standards - Building codes and life safety - Accessibility standards |
Planning Your CIDQ Interior Design Professional? Start With These Answers
The current exam information lists 175 (150 scored, 25 unscored) questions for the IDPX exam, with 240 minutes minutes allowed. Practicing against the clock at home builds the pacing habits that exam day rewards.
The CIDQ Interior Design Professional blueprint covers these main domains:
- Professional Business Practices (10%)
- Integration with Building Systems and Construction (15%)
- Project Process, Roles, and Coordination (15%)
Additional domains complete the official outline, and our bank covers the full range.
You can register through these official channels:
Book early for the best choice of dates and locations — and double-check your spam folder for the confirmation email.
Your money is protected by clear conditions. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; verified claims receive a full refund within seven days. The exclusions: exams taken within three days of purchase, a candidate name that does not match the payer, and free or expired products. If you prefer, we can exchange your product for two others of equal value instead.
CIDQ lists the following prerequisites for the CIDQ Interior Design Professional: Completed IDFX exam + 2 years verified interior design work experience; or eligible via direct education/work route.
Check the official certification page for the latest requirements before booking.
Because we remove the guesswork at every step. The IDPX bank consolidates the CIDQ Interior Design Professional knowledge points into expert-verified Q&As instead of leaving you to sift through the internet alone. A free demo shows the quality before you buy; instant delivery starts you the minute you do; 365 days of free updates — with a notification each time a new version releases — keep you current; and a strict information safety system plus a 7/24 golden-standard support team protect you throughout.
CIDQ recommends the following official training options:
Structured coursework plus regular question practice is the combination most candidates find effective.
As of the latest information, the IDPX exam requires a score of Scaled score 500+ to pass, and registration costs $350 USD. CIDQ sets both figures, so verify them on the official site when you book.
Upon successful payment, our system automatically emails the product to your mailbox and shows an instant download link — delivery typically takes about a minute. If nothing arrives within two hours, check your spam folder first, then contact our 7/24 support team. Installations are unlimited. Your purchase also includes 365 days of free updates: whenever we release a new version, we notify you to download it — no need to wait or worry about validity — and a 50% renewal discount applies when the period ends.
CIDQ Interior Design Professional Sample Questions:
What is the MINIMUM illumination level at the walking surface for a means of egress?
- A. 1 footcandle [10.76 lux]
- B. 9 footcandles [96.88 lux]
- C. 5 footcandles [53.82 lux]
- D. 2 footcandles [21.53 lux]
Correct Answer: A 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
During construction, the general contractor notices conflicting information between the construction drawings and the specifications. The FIRST step the contractor should take is to
- A. make an interpretation
- B. notify the owner of the discrepancy
- C. notify the designer of the discrepancy
- D. issue a change order
Correct Answer: C 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
What is the MINIMUM aisle width in retail areas conforming to universal accessibility standards?
- A. 42" [1067 mm]
- B. 36" [914 mm]
- C. 32" [813 mm]
- D. 48" [1219 mm]
Correct Answer: B 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
What is one way to reduce indoor air pollutants?
- A. install operable windows
- B. increase humidity levels
- C. decrease building temperature
- D. use materials with high VOCs
Correct Answer: A 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
The ground floor of a building contains a mixed occupancy with a retail store (9,500 sf [884 m²]) with an adjacent storage space (2,000 sf [186 m²]), a daycare (5,000 sf [465 m²]), and an office (6,000 sf [557 m²]).
Based on the chart below, what is the occupant load for this floor?
Occupancy Type
Occupant Load Factor (sf/person)
Retail (Mercantile)
60
Storage
300
Daycare
35
Office (Business)
150
- A. 305
- B. 527
- C. 524
- D. 368
Correct Answer: D 🗳️
Explanation: Only visible for ActualVCE members. You can sign-up / login (it's free).
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