NCIDQ IDPX CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◍ A final construction budget for an office remodeling project is 10% higher
than the client anticipated. What strategy would be MOST effective in
lowering the costs?
A. Ask the contractor to use less expensive substitutes.
B. Select less expensive finish materials.
C. Reevaluate the area requirements with the client.
D. Create a new, simpler space plan..
Answer: The correct answer is B. Finish materials comprise a large
percentage of the cost for an interior remodel. Savings can usually be found
in finishes without adversely affecting the function of the space. The
designer will want to maintain control of the final product and would not
delegate finish selections to a contractor. Changing the size and/or
complexity of the space would quite likely have an adverse effect on the
final function P4 Product and Material Coordination
◍ A client expresses a preference to have a solution-dyed, antimicrobial carpet
fiber in a custom pattern for use in a hospital corridor. What type of
specification is MOST suitable to use?
A. Proprietary
B. Descriptive
C. Performance
D. Reference.
Answer: The correct answer is B. Descriptive allows specification criteria to
be listed in detail, so client will get what they want and will narrow down
the "or equal" options from the bidding contractors. P5 Contract Documents
◍ What portion of a contract typically outlines the designer's responsibilities to
the client?
, A. Scope of services
B. Project description
C. Terms and conditions
D. Compensation schedule.
Answer: A. Scope of services
◍ An interior designer has reviewed and approved the shop drawings for the
installation of a door with glazing between two existing block walls. During
construction the subcontractor responsible for installing the door discovers
that it will not fit as planned. Who is responsible for correcting and paying
for the error?
a. gc
b. doorframe fabricator
c. interior designer
d. subcontractor.
Answer: a. gc
◍ During project closeout, the interior designer is required to do which of the
following... (choose three)
a. develop a punch list
b. collect and send all warranties to the owner
c. determine the date of substantial completion
d. provide the owner with bonds
e. finalize the placement of the owners furniture
f. send all pertinent maintenance contracts to the owner.
Answer: a. develop a punch list c. determine the date of substantial
completion e. finalize the placement of the owners furniture
◍ An interior designer has contracted with the owner of a large commercial
building to do tenant finish work for new building occupants. The work will
consist of space planning for tenants that lease building space, and
construction drawings that the building's contractor will use to build out
each space. What is the best way for the interior designer to charge the
building owner?
, a. area fee
b. fixed fee
c. hourly fee
d. cost plus fee.
Answer: a. area fee
◍ What is the primary advantage of systems furniture?
a. built in ambient and task lighting
b. interchangeable panels with work surfaces
c. flexibility and efficient space use
d. integrated wire management and power outlets.
Answer: c. flexibility and efficient space use
◍ Which test is MOST important to review for performance when specifying
porcelain tile on a ramp surface?
A. ASTM Radiant Panel Test
B. ASTM Coefficient of Friction Test
C. California Technical Bulletin #117
D. California Technical Bulletin #133.
Answer: The correct answer is B. Ramps are hazardous and need increased
friction to negotiate safely. The only test listed pertaining specifically to tile
flooring is "B". P4 Product and Material Coordination
◍ The typical chronological order of system installation in new commercial
construction is:
A. HVAC, Plumbing, Electrical
B. Electrical, Plumbing, HVAC
C. Plumbing, HVAC, Electrical
D. Electrical, HVAC, Plumbing.
Answer: The correct answer is C. Once the interior of a building is
sufficiently protected from the weather, the waste lines and water supply
lines of the plumbing system are installed and, if specified, the pipes for the
sprinkler system. The major part of the work for the HVAC system is
carried out, including the installation of boilers, chillers, cooling towers,
, pumps, fans, piping, and ductwork. Electrical, communications, and control
wiring are routed through the building. P3 Building Systems and Integration
◍ At project closeout, what documentation MUST contain the certification of
flameproofing for finishes?
A. Maintenance manuals for furnishings and finishes
B. Guarantees or warranties for furnishings and finishes
C. Record documents for finish applications and furniture installations
D. Certificates of completion for finish applications and furniture
installations.
Answer: The correct answer is B. Flameproofing would fall into the
category of guarantees and warranties as it would affect the performance if
the product as well as the product's warranty. P4 Product and Material
Coordination
◍ Who has SOLE authority to stop construction on an interior design project?
A. Contractor
B. Project manager
C. Owner
D. Interior designer.
Answer: The correct answer is C. The contractor, project manager and
interior designer, in some form or another, are all contracting their scope of
services with the building owner. Although performing as their
representative, the project manager may only process the decisions, but the
weight of the decisions falls back to the building owner in all cases P1
Project Coordination
◍ A client has a high-density workplace, limited expansion space, and a
limited budget. Which of the following furniture selections would be MOST
appropriate?
A. Free-standing furniture
B. Quick-ship furniture
C. Mobile furniture
D. Modular furniture.
QUESTIONS WITH SOLUTIONS GRADED A+
◍ A final construction budget for an office remodeling project is 10% higher
than the client anticipated. What strategy would be MOST effective in
lowering the costs?
A. Ask the contractor to use less expensive substitutes.
B. Select less expensive finish materials.
C. Reevaluate the area requirements with the client.
D. Create a new, simpler space plan..
Answer: The correct answer is B. Finish materials comprise a large
percentage of the cost for an interior remodel. Savings can usually be found
in finishes without adversely affecting the function of the space. The
designer will want to maintain control of the final product and would not
delegate finish selections to a contractor. Changing the size and/or
complexity of the space would quite likely have an adverse effect on the
final function P4 Product and Material Coordination
◍ A client expresses a preference to have a solution-dyed, antimicrobial carpet
fiber in a custom pattern for use in a hospital corridor. What type of
specification is MOST suitable to use?
A. Proprietary
B. Descriptive
C. Performance
D. Reference.
Answer: The correct answer is B. Descriptive allows specification criteria to
be listed in detail, so client will get what they want and will narrow down
the "or equal" options from the bidding contractors. P5 Contract Documents
◍ What portion of a contract typically outlines the designer's responsibilities to
the client?
, A. Scope of services
B. Project description
C. Terms and conditions
D. Compensation schedule.
Answer: A. Scope of services
◍ An interior designer has reviewed and approved the shop drawings for the
installation of a door with glazing between two existing block walls. During
construction the subcontractor responsible for installing the door discovers
that it will not fit as planned. Who is responsible for correcting and paying
for the error?
a. gc
b. doorframe fabricator
c. interior designer
d. subcontractor.
Answer: a. gc
◍ During project closeout, the interior designer is required to do which of the
following... (choose three)
a. develop a punch list
b. collect and send all warranties to the owner
c. determine the date of substantial completion
d. provide the owner with bonds
e. finalize the placement of the owners furniture
f. send all pertinent maintenance contracts to the owner.
Answer: a. develop a punch list c. determine the date of substantial
completion e. finalize the placement of the owners furniture
◍ An interior designer has contracted with the owner of a large commercial
building to do tenant finish work for new building occupants. The work will
consist of space planning for tenants that lease building space, and
construction drawings that the building's contractor will use to build out
each space. What is the best way for the interior designer to charge the
building owner?
, a. area fee
b. fixed fee
c. hourly fee
d. cost plus fee.
Answer: a. area fee
◍ What is the primary advantage of systems furniture?
a. built in ambient and task lighting
b. interchangeable panels with work surfaces
c. flexibility and efficient space use
d. integrated wire management and power outlets.
Answer: c. flexibility and efficient space use
◍ Which test is MOST important to review for performance when specifying
porcelain tile on a ramp surface?
A. ASTM Radiant Panel Test
B. ASTM Coefficient of Friction Test
C. California Technical Bulletin #117
D. California Technical Bulletin #133.
Answer: The correct answer is B. Ramps are hazardous and need increased
friction to negotiate safely. The only test listed pertaining specifically to tile
flooring is "B". P4 Product and Material Coordination
◍ The typical chronological order of system installation in new commercial
construction is:
A. HVAC, Plumbing, Electrical
B. Electrical, Plumbing, HVAC
C. Plumbing, HVAC, Electrical
D. Electrical, HVAC, Plumbing.
Answer: The correct answer is C. Once the interior of a building is
sufficiently protected from the weather, the waste lines and water supply
lines of the plumbing system are installed and, if specified, the pipes for the
sprinkler system. The major part of the work for the HVAC system is
carried out, including the installation of boilers, chillers, cooling towers,
, pumps, fans, piping, and ductwork. Electrical, communications, and control
wiring are routed through the building. P3 Building Systems and Integration
◍ At project closeout, what documentation MUST contain the certification of
flameproofing for finishes?
A. Maintenance manuals for furnishings and finishes
B. Guarantees or warranties for furnishings and finishes
C. Record documents for finish applications and furniture installations
D. Certificates of completion for finish applications and furniture
installations.
Answer: The correct answer is B. Flameproofing would fall into the
category of guarantees and warranties as it would affect the performance if
the product as well as the product's warranty. P4 Product and Material
Coordination
◍ Who has SOLE authority to stop construction on an interior design project?
A. Contractor
B. Project manager
C. Owner
D. Interior designer.
Answer: The correct answer is C. The contractor, project manager and
interior designer, in some form or another, are all contracting their scope of
services with the building owner. Although performing as their
representative, the project manager may only process the decisions, but the
weight of the decisions falls back to the building owner in all cases P1
Project Coordination
◍ A client has a high-density workplace, limited expansion space, and a
limited budget. Which of the following furniture selections would be MOST
appropriate?
A. Free-standing furniture
B. Quick-ship furniture
C. Mobile furniture
D. Modular furniture.
