IDFX CODES UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
COMPLETE STUDY GUIDE RESOURCE
●● How many total questions are on the exam?
Answer: 115 total questions
●● What is the passing score for the exam?
Answer: 500 on a scale of 200-800
●● What code reference is used for the exam?
Answer: 2021 International Building Code (IBC)
●● What percentage of the exam covers Existing Conditions?
Answer: 14%
●● What is the focus of the Existing Conditions section?
Answer: Evaluating site conditions, existing building characteristics, and
initial code analysis before design begins.
●● What are the three contexts to consider when evaluating building
location?
,Answer: Urban, suburban, and rural contexts.
●● What climate zone classification affects HVAC sizing and
insulation?
Answer: ASHRAE climate zones (1-8, with A/B/C moisture
designations).
●● Which design strategy is most appropriate for a hot, dry climate like
Phoenix?
Answer: Use light-colored roofing to reflect heat.
●● What are the main types of commercial buildings?
Answer: Office buildings, retail centers, mixed-use developments,
hotels.
●● What is the significance of IBC Chapter 34?
Answer: It governs alterations, repairs, additions, and change of use.
●● What triggers additional code requirements when a building's
occupancy classification changes?
Answer: A change of use.
●● What is the implication of changing from a less restrictive to a more
restrictive occupancy?
,Answer: Significant upgrades are likely required.
●● What are some common change of use scenarios?
Answer: Warehouse to loft apartments, office to restaurant, retail to
daycare.
●● What are the Seismic Design Categories (SDC) used for?
Answer: To assess seismic risk and design implications.
●● What is the requirement for suspended ceilings in high seismic
zones?
Answer: Install seismic bracing with compression posts and splay wires.
●● What factors affect Indoor Air Quality (IAQ)?
Answer: Source control, ventilation, filtration.
●● What is the most effective IAQ strategy?
Answer: Source control using low-VOC materials.
●● What does MERV stand for?
Answer: Minimum Efficiency Reporting Value.
●● What is the purpose of FEMA flood maps?
, Answer: To determine Base Flood Elevation (BFE) for flood zones.
●● What should be done for buildings in flood-prone areas?
Answer: Elevate the first floor or use flood-resistant materials below
BFE.
●● What are some common indoor air pollutants?
Answer: VOCs, particulate matter, biological contaminants, CO2, CO,
radon.
●● What is the primary concern for buildings in hurricane/coastal areas?
Answer: Impact-resistant glazing and wind pressure ratings for windows
and doors.
●● What is the focus of the Programming section of the exam?
Answer: Understanding user needs and project requirements.
●● What percentage of the exam is dedicated to Space Planning?
Answer: 19%
●● What is the purpose of the Preliminary FF&E and Finishes section?
Answer: To evaluate furniture, fixtures, and equipment selections.
QUESTIONS AND CORRECT ANSWERS
COMPLETE STUDY GUIDE RESOURCE
●● How many total questions are on the exam?
Answer: 115 total questions
●● What is the passing score for the exam?
Answer: 500 on a scale of 200-800
●● What code reference is used for the exam?
Answer: 2021 International Building Code (IBC)
●● What percentage of the exam covers Existing Conditions?
Answer: 14%
●● What is the focus of the Existing Conditions section?
Answer: Evaluating site conditions, existing building characteristics, and
initial code analysis before design begins.
●● What are the three contexts to consider when evaluating building
location?
,Answer: Urban, suburban, and rural contexts.
●● What climate zone classification affects HVAC sizing and
insulation?
Answer: ASHRAE climate zones (1-8, with A/B/C moisture
designations).
●● Which design strategy is most appropriate for a hot, dry climate like
Phoenix?
Answer: Use light-colored roofing to reflect heat.
●● What are the main types of commercial buildings?
Answer: Office buildings, retail centers, mixed-use developments,
hotels.
●● What is the significance of IBC Chapter 34?
Answer: It governs alterations, repairs, additions, and change of use.
●● What triggers additional code requirements when a building's
occupancy classification changes?
Answer: A change of use.
●● What is the implication of changing from a less restrictive to a more
restrictive occupancy?
,Answer: Significant upgrades are likely required.
●● What are some common change of use scenarios?
Answer: Warehouse to loft apartments, office to restaurant, retail to
daycare.
●● What are the Seismic Design Categories (SDC) used for?
Answer: To assess seismic risk and design implications.
●● What is the requirement for suspended ceilings in high seismic
zones?
Answer: Install seismic bracing with compression posts and splay wires.
●● What factors affect Indoor Air Quality (IAQ)?
Answer: Source control, ventilation, filtration.
●● What is the most effective IAQ strategy?
Answer: Source control using low-VOC materials.
●● What does MERV stand for?
Answer: Minimum Efficiency Reporting Value.
●● What is the purpose of FEMA flood maps?
, Answer: To determine Base Flood Elevation (BFE) for flood zones.
●● What should be done for buildings in flood-prone areas?
Answer: Elevate the first floor or use flood-resistant materials below
BFE.
●● What are some common indoor air pollutants?
Answer: VOCs, particulate matter, biological contaminants, CO2, CO,
radon.
●● What is the primary concern for buildings in hurricane/coastal areas?
Answer: Impact-resistant glazing and wind pressure ratings for windows
and doors.
●● What is the focus of the Programming section of the exam?
Answer: Understanding user needs and project requirements.
●● What percentage of the exam is dedicated to Space Planning?
Answer: 19%
●● What is the purpose of the Preliminary FF&E and Finishes section?
Answer: To evaluate furniture, fixtures, and equipment selections.
