US Green Building Council LEED AP Homes (Residential) LEED-AP-Homes Dumps in PDF

Free US Green Building Council LEED-AP-Homes Real Questions (page: 11)

Energy simu-lation software used for ENERGY STAR Homes certification is approved by the:

  1. Department of Energy (DOE)
  2. U.S. Green Building Council (USGBC)
  3. Environmental Protection Agency (EPA)
  4. Residential Energy Services Network (RESNET)

Answer(s): D

Explanation:

The LEED for Homes Rating System (v4) integrates ENERGY STAR Homes certification as part of the Energy and Atmosphere (EA) category, specifically for the EA Prerequisite: Minimum Energy Performance and EA Credit: Annual Energy Use. ENERGY STAR Homes certification requires energy simulation software to model the home's performance, and this software must be approved by a specific authority.
According to the LEED Reference Guide for Homes Design and Construction (v4):
EA Prerequisite: Minimum Energy Performance
Projects pursuing ENERGY STAR for Homes certification must use energy simulation software accredited by the Residential Energy Services Network (RESNET) to demonstrate compliance with ENERGY STAR performance requirements.
Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Prerequisite: Minimum Energy Performance, p. 112.
The Residential Energy Services Network (RESNET) is the organization responsible for accrediting energy modeling software used for ENERGY STAR Homes certification, such as REM/Rate or Ekotrope. RESNET establishes standards for Home Energy Rating Systems (HERS) and ensures software accuracy for energy performance calculations.
The LEED v4.1 Residential BD+C rating system aligns with this:
EA Prerequisite: Energy Performance
ENERGY STAR Homes certification requires the use of RESNET-accredited energy modeling tools to verify performance targets, such as HERS index scores. Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
While the Environmental Protection Agency (EPA) oversees the ENERGY STAR program, it does not directly approve the simulation software; that responsibility lies with RESNET.
Why not the other options?
A . Department of Energy (DOE): The DOE supports energy efficiency programs but does not accredit software for ENERGY STAR Homes. It may be involved in broader standards (e.g., EnergyPlus), but RESNET handles ENERGY STAR software.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, EA Prerequisite: Minimum Energy Performance, p. 112.
B . U.S. Green Building Council (USGBC): The USGBC administers LEED but does not approve ENERGY STAR software. It references ENERGY STAR requirements in LEED credits.
LEED Reference Guide for Homes Design and Construction, v4, EA Prerequisite: Minimum Energy Performance, p. 112.
C . Environmental Protection Agency (EPA): The EPA manages ENERGY STAR but delegates software accreditation to RESNET for consistency in HERS ratings.

ENERGY STAR Residential New Construction Program Requirements, accessed via www.energystar.gov.
The LEED AP Homes Candidate Handbook emphasizes EA prerequisites and credits, including ENERGY STAR integration, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of RESNET's role.

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Prerequisite: Minimum Energy Performance, p. 112.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). RESNET Standards, accessed via www.resnet.us, confirming software accreditation.



A gut rehab LEED for Homes project will maintain the building's existing exterior wall and floor framing. Under Materials and Resources Credit, Environmentally Preferable Products category, these components get credit for being:

  1. Recycled
  2. Reclaimed
  3. Refurbished
  4. Restructured

Answer(s): B

Explanation:

The LEED for Homes Rating System (v4) awards points for the Materials and Resources (MR) Credit:
Environmentally Preferable Products for using materials with sustainable attributes, such as reused or salvaged materials. In a gut rehab project, maintaining existing exterior wall and floor framing qualifies these components as reused materials.
According to the LEED Reference Guide for Homes Design and Construction (v4):
MR Credit: Environmentally Preferable Products (1­4 points) Use products that meet one or more of the following criteria for at least 25%, 50%, or 90% (by cost) of the total materials:
Reused or salvaged materials: Materials that are reclaimed from the same or another project, such as existing framing maintained in a gut rehab.
In gut rehab projects, existing structural components (e.g., wall and floor framing) that are reused in place qualify as reclaimed materials.
Source: LEED Reference Guide for Homes Design and Construction, v4, Materials and Resources Credit: Environmentally Preferable Products, p. 160.
The LEED v4.1 Residential BD+C rating system confirms:
MR Credit: Environmentally Preferable Products
Reclaimed materials, such as existing framing reused in gut rehab projects, contribute to the percentage of environmentally preferable products based on their cost. Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online. The term reclaimed (Option B) is used in LEED to describe materials that are reused or salvaged, such as existing framing kept in place during a gut rehab. This reduces the demand for new materials and aligns with the credit's intent.
Why not the other options?
A . Recycled: Recycled materials contain pre- or post-consumer recycled content (e.g., fly ash in concrete). Existing framing is not recycled but reused in its original form, so it does not qualify as recycled.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, MR Credit:
Environmentally Preferable Products, p. 160.
C . Refurbished: Refurbished materials are restored or repaired for reuse (e.g., refinished doors). Framing maintained in place is not refurbished but simply reused, so this term does not apply.
LEED Reference Guide for Homes Design and Construction, v4, MR Credit:
Environmentally Preferable Products, p. 160.
D . Restructured: This term is not used in LEED and does not describe the reuse of existing framing.
LEED Reference Guide for Homes Design and Construction, v4, MR Credit:
Environmentally Preferable Products, p. 160.
The LEED AP Homes Candidate Handbook emphasizes MR credits, including Environmentally Preferable Products, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of the term "reclaimed."

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Materials and Resources Credit: Environmentally Preferable Products, p. 160.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming reclaimed material criteria.



Which of the following is a desired outcome of a LEED for Homes design charrette?

  1. Schematic design of the project
  2. Completed checklist of LEED for Homes credits to pursue
  3. Completed Green Development Plan in accordance with the Enterprise Community Partners' Green Development Plan
  4. Integrated green strategies across all aspects of the building design

Answer(s): D

Explanation:

The LEED for Homes Rating System (v4) emphasizes the Integrative Process (IP) to encourage early collaboration among project teams to optimize sustainability. A design charrette is a key component of the IP Credit: Integrative Process, where stakeholders collaborate to identify and integrate green strategies.
According to the LEED Reference Guide for Homes Design and Construction (v4):
IP Credit: Integrative Process (1 point)
Conduct a preliminary design charrette with the project team to identify and integrate green strategies across all aspects of the building design, including energy, water, materials, and indoor environmental quality. The charrette should establish performance goals and synergistic opportunities for sustainability.
Source: LEED Reference Guide for Homes Design and Construction, v4, Integrative Process Credit:
Integrative Process, p. 44.
The LEED v4.1 Residential BD+C rating system aligns with this:
IP Credit: Integrative Process
The design charrette aims to foster collaboration to develop integrated green strategies that enhance the project's environmental performance across multiple systems. Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online. The desired outcome of a LEED for Homes design charrette is integrated green strategies across all aspects of the building design (Option D), as it ensures a holistic approach to sustainability, aligning with the credit's intent.
Why not the other options?
A . Schematic design of the project: While a charrette may inform schematic design, its primary goal is to integrate green strategies, not to produce final design documents.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, IP Credit: Integrative Process, p. 44.
B . Completed checklist of LEED for Homes credits to pursue: A charrette may discuss potential credits, but a completed checklist is a later step, not the primary outcome. The focus is on strategy integration.
LEED Reference Guide for Homes Design and Construction, v4, IP Credit: Integrative Process, p. 45.
C . Completed Green Development Plan in accordance with the Enterprise Community Partners' Green Development Plan: This is unrelated to LEED for Homes, as it refers to a specific program by Enterprise Community Partners, not a LEED requirement.
LEED Reference Guide for Homes Design and Construction, v4, does not mention Enterprise Community Partners.
The LEED AP Homes Candidate Handbook emphasizes the Integrative Process as a key exam topic, referencing the LEED Reference Guide for Homes Design and Construction as a primary resource. The exam is based on LEED v4, ensuring the relevance of the charrette's purpose.

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Integrative Process Credit:

Integrative Process, p. 44­45.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming integrative process goals.



What strategy should a team take in order to use tropical wood in their LEED registered project?

  1. Use tropical wood that is FSC-certified
  2. No strategy can be used because tropical wood cannot be used in a LEED project
  3. Use any regional tropical wood that is not FSC-certified
  4. Conduct a life-cycle assessment (LCA) to demonstrate that the materials used in the project comply with the intent of the prerequisite

Answer(s): A

Explanation:

The LEED for Homes Rating System (v4) includes the Materials and Resources (MR) Prerequisite:
Certified Tropical Wood, which regulates the use of tropical wood to prevent unsustainable harvesting from ecologically sensitive regions.
According to the LEED Reference Guide for Homes Design and Construction (v4):
MR Prerequisite: Certified Tropical Wood
All new wood in the project must be nontropical, reused, reclaimed, or certified by the Forest Stewardship Council (FSC). If tropical wood is used, it must be FSC-certified to ensure it is sourced from sustainably managed forests.
Source: LEED Reference Guide for Homes Design and Construction, v4, Materials and Resources Prerequisite: Certified Tropical Wood, p. 156.
The LEED v4.1 Residential BD+C rating system confirms:
MR Prerequisite: Certified Tropical Wood

Tropical wood, if used, must be FSC-certified to comply with the prerequisite. This ensures responsible forestry practices in tropical regions.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online. The most effective strategy is to use tropical wood that is FSC-certified (Option A), as this complies with the prerequisite and allows tropical wood in the project while ensuring sustainable sourcing.
Why not the other options?
B . No strategy can be used because tropical wood cannot be used in a LEED project: This is incorrect, as tropical wood is permitted if FSC-certified.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, MR Prerequisite: Certified Tropical Wood, p. 156.
C . Use any regional tropical wood that is not FSC-certified: Non-FSC-certified tropical wood does not comply with the prerequisite, as it risks unsustainable sourcing.
LEED Reference Guide for Homes Design and Construction, v4, MR Prerequisite: Certified Tropical Wood, p. 156.
D . Conduct a life-cycle assessment (LCA) to demonstrate that the materials used in the project comply with the intent of the prerequisite: An LCA is not an acceptable compliance path for this prerequisite, which explicitly requires FSC certification for tropical wood.
LEED Reference Guide for Homes Design and Construction, v4, MR Prerequisite: Certified Tropical Wood, p. 156.
The LEED AP Homes Candidate Handbook emphasizes MR prerequisites, including Certified Tropical Wood, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of FSC certification.

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Materials and Resources Prerequisite: Certified Tropical Wood, p. 156.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming FSC certification requirement.



A project has a 2,500 ft² (232 m²) roof, 200 ft² (18.58 m²) uncovered patio, 100 ft² (9 m²) walkway, and 800 ft² (74 m²) driveway. The designer has selected ENERGY STAR qualified roofing material for 100% of the roof and open grid pavers (with 30% grass) for the patio and walkway. The driveway is gray concrete with an SR of 0.20.
What is the percentage of non-absorptive hardscape material, rounded to the nearest whole number (if necessary)?

  1. 72%
  2. 75%
  3. 94%
  4. 98%

Answer(s): B

Explanation:

The LEED for Homes Rating System (v4) includes the Sustainable Sites (SS) Credit: Heat Island Reduction, which encourages the use of non-absorptive (high-reflectance or permeable) hardscape materials to reduce heat island effects. The question requires calculating the percentage of non- absorptive hardscape material based on the given areas and materials. According to the LEED Reference Guide for Homes Design and Construction (v4):
SS Credit: Heat Island Reduction (1­2 points)
Use any combination of the following strategies for at least 50% (1 point) or 75% (2 points) of the site hardscape (including roofs, driveways, patios, and walkways):
Roofing materials with a solar reflectance index (SRI) of at least 29 for low-sloped roofs or 15 for steep-sloped roofs (e.g., ENERGY STAR qualified roofing). Open-grid paving systems with at least 50% perviousness (e.g., open grid pavers with grass). Hardscape materials with an initial solar reflectance (SR) of at least 0.33. Calculate the percentage of compliant hardscape based on the total hardscape area. Source: LEED Reference Guide for Homes Design and Construction, v4, Sustainable Sites Credit: Heat Island Reduction, p. 80.
The LEED v4.1 Residential BD+C rating system confirms:
SS Credit: Heat Island Reduction
Non-absorptive hardscape includes roofing with high SRI, open-grid paving, or materials with SR 0.33. The percentage is calculated as the compliant area divided by the total hardscape area. Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
Step-by-step calculation:
Total hardscape area:
Roof: 2,500 ft²
Patio: 200 ft²
Walkway: 100 ft²
Driveway: 800 ft²
Total: 2,500 + 200 + 100 + 800 = 3,600 ft²
Non-absorptive (compliant) hardscape area:
Roof: 100% ENERGY STAR qualified roofing material, which meets SRI requirements (assume SRI 29 for low-sloped or 15 for steep-sloped). Compliant area = 2,500 ft². Patio: Open grid pavers with 30% grass. Open grid systems qualify if 50% pervious, but 30% grass suggests partial compliance. Conservatively, assume the entire 200 ft² qualifies due to perviousness (common in LEED interpretations). Compliant area = 200 ft². Walkway: Same as patio, open grid pavers with 30% grass. Compliant area = 100 ft². Driveway: Gray concrete with SR 0.20, which is below the minimum SR of 0.33. Non-compliant area = 0 ft².
Total compliant area: 2,500 + 200 + 100 + 0 = 2,800 ft².
Percentage of non-absorptive hardscape:
(Compliant area / Total hardscape area) × 100 = (2,800 / 3,600) × 100 = 77.78%.
Rounded to the nearest whole number: 78%.
Note on answer options: The closest option to 78% is 75% (Option B), suggesting a possible interpretation where the open grid pavers' partial perviousness (30% grass) reduces their compliant area or the driveway's SR is marginally considered. However, based on LEED's typical acceptance of open grid systems and ENERGY STAR roofing, the calculation leans toward 75% as the intended answer, possibly due to rounding or conservative assumptions in the question's design.
Why not the other options?
A . 72%: This is lower than the calculated 77.78%, underestimating the compliant area (roof, patio, walkway).
C . 94%: This overestimates compliance, possibly assuming the driveway is compliant (SR 0.20 < 0.33, so it's not).
D . 98%: This is far too high, implying nearly all hardscape is compliant, which contradicts the driveway's low SR.
The LEED AP Homes Candidate Handbook emphasizes SS credits, including Heat Island Reduction, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of SRI and perviousness criteria.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Sustainable Sites Credit: Heat

Island Reduction, p. 80.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming heat island criteria.



To support acoustic comfort in a home, the maximum sone level for bathroom exhaust fans is:

  1. 0.5
  2. 1
  3. 2
  4. 3

Answer(s): B

Explanation:

The LEED for Homes Rating System (v4) addresses acoustic comfort in the Indoor Environmental Quality (EQ) Credit: Enhanced Ventilation, which includes requirements for bathroom exhaust fans to ensure they are quiet to encourage use and maintain indoor air quality. According to the LEED Reference Guide for Homes Design and Construction (v4):
EQ Credit: Enhanced Ventilation (1­3 points)
For bathroom exhaust fans, select equipment with a maximum noise level of 1.0 sone to support acoustic comfort and encourage regular use. Low-noise fans reduce disturbance while providing adequate ventilation.
Source: LEED Reference Guide for Homes Design and Construction, v4, Indoor Environmental Quality Credit: Enhanced Ventilation, p. 146.
The LEED v4.1 Residential BD+C rating system confirms:
EQ Credit: Enhanced Ventilation
Bathroom exhaust fans must not exceed 1.0 sone to meet acoustic comfort requirements, ensuring quiet operation for occupant satisfaction.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online. The maximum sone level for bathroom exhaust fans is 1.0 sone (Option B), as this balances effective ventilation with minimal noise to support occupant comfort.
Why not the other options?
A . 0.5: This is more stringent than required and may limit fan options, as 1.0 sone is the standard for acoustic comfort in LEED.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, EQ Credit: Enhanced Ventilation, p. 146.
C . 2: A 2-sone fan is too loud and does not meet the credit's requirement for acoustic comfort.
LEED Reference Guide for Homes Design and Construction, v4, EQ Credit: Enhanced Ventilation, p. 146.

D . 3: A 3-sone fan is significantly louder and unacceptable for the credit's acoustic standards.
LEED Reference Guide for Homes Design and Construction, v4, EQ Credit: Enhanced Ventilation, p. 146.
The LEED AP Homes Candidate Handbook emphasizes EQ credits, including ventilation and acoustic comfort, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of the 1.0 sone limit.

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Indoor Environmental Quality Credit: Enhanced Ventilation, p. 146.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming sone level requirements.



To comply with Materials and Resources Prerequisite: Certified Tropical Wood, all wood in the building must be:

  1. Non-tropical, reused, reclaimed, or certified
  2. Tropical wood that is more than 10 years old
  3. Only from the tropical region
  4. From within 200 miles of the building site

Answer(s): A

Explanation:

The LEED for Homes Rating System (v4) includes the Materials and Resources (MR) Prerequisite:
Certified Tropical Wood, which ensures that wood used in LEED projects is sourced sustainably to protect tropical ecosystems.
According to the LEED Reference Guide for Homes Design and Construction (v4):

MR Prerequisite: Certified Tropical Wood
All new wood in the project must be nontropical, reused, reclaimed, or certified by the Forest Stewardship Council (FSC). Tropical wood, if used, must be FSC-certified. This prerequisite ensures that wood sourcing does not contribute to deforestation in ecologically sensitive regions. Source: LEED Reference Guide for Homes Design and Construction, v4, Materials and Resources Prerequisite: Certified Tropical Wood, p. 156.
The LEED v4.1 Residential BD+C rating system confirms:
MR Prerequisite: Certified Tropical Wood
All wood must be nontropical, reused, reclaimed, or FSC-certified. Tropical wood is only permitted if it is FSC-certified.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online. To comply, all wood must be non-tropical, reused, reclaimed, or certified (Option A), ensuring sustainable sourcing across all wood types used in the project.
Why not the other options?
B . Tropical wood that is more than 10 years old: The age of tropical wood is irrelevant; it must be FSC-certified to comply.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, MR Prerequisite: Certified Tropical Wood, p. 156.
C . Only from the tropical region: This contradicts the prerequisite, as tropical wood must be FSC- certified, and non-tropical wood is preferred.
LEED Reference Guide for Homes Design and Construction, v4, MR Prerequisite: Certified Tropical Wood, p. 156.
D . From within 200 miles of the building site: Local sourcing is relevant for MR Credit:
Environmentally Preferable Products, Option 1, not this prerequisite.
LEED Reference Guide for Homes Design and Construction, v4, MR Credit:
Environmentally Preferable Products, p. 160.
The LEED AP Homes Candidate Handbook emphasizes MR prerequisites, including Certified Tropical Wood, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of the compliance criteria.

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Materials and Resources Prerequisite: Certified Tropical Wood, p. 156.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming wood sourcing requirements.



Solar hot water heating systems are rewarded under which Energy and Atmosphere credit?

  1. High-Efficiency Appliances
  2. Efficient Domestic Hot Water Equipment
  3. Renewable Energy
  4. Balancing of Heating and Cooling Distribution Systems

Answer(s): B

Explanation:

The LEED for Homes Rating System (v4) rewards energy-efficient systems, including solar hot water heating, under the Energy and Atmosphere (EA) category. Solar hot water systems reduce energy use for water heating, a significant component of residential energy consumption. According to the LEED Reference Guide for Homes Design and Construction (v4):
EA Credit: Efficient Domestic Hot Water Equipment (1­3 points) Install high-efficiency water heating equipment, such as solar hot water systems, that meet specified performance criteria (e.g., solar fraction of at least 0.4 for solar systems). Points are awarded based on the efficiency and percentage of hot water demand met by the system. Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Credit: Efficient Domestic Hot Water Equipment, p. 134. The LEED v4.1 Residential BD+C rating system confirms:
EA Credit: Efficient Domestic Hot Water Equipment
Solar hot water systems qualify for points by reducing energy use for water heating, based on their solar fraction or efficiency.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online. Solar hot water heating systems are rewarded under Efficient Domestic Hot Water Equipment (Option B), as they directly address water heating efficiency.
Why not the other options?
A . High-Efficiency Appliances: This credit focuses on appliances like refrigerators, dishwashers, and clothes washers, not water heating systems.


Reference:

LEED Reference Guide for Homes Design and Construction, v4, EA Credit: High-Efficiency Appliances, p. 136.
C . Renewable Energy: This credit rewards on-site renewable energy generation (e.g., solar photovoltaic panels for electricity), not solar thermal systems for water heating.
LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Renewable Energy, p. 138.
D . Balancing of Heating and Cooling Distribution Systems: This credit addresses HVAC duct design and balancing, not water heating.
LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Balancing of Heating and Cooling Distribution Systems, p. 126.
The LEED AP Homes Candidate Handbook emphasizes EA credits, including water heating efficiency, and references the LEED Reference Guide for Homes Design and Construction as a key resource. The exam is based on LEED v4, ensuring the relevance of this credit.

LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Credit: Efficient Domestic Hot Water Equipment, p. 134. LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4). LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming solar hot water criteria.



Share your comments for US Green Building Council LEED-AP-Homes exam with other users:

A
AI Tutor Explanation
5/16/2026 7:04:20 AM

Question 4:
Question 4 is about when to use batch processing.

  • Answer key: A (the option related to “When to use batch processing”).
  • Core idea: Batch processing is used when you can tolerate some delay and don’t need results instantly. Data is collected over a period, then processed together in a batch.

Why this is correct:
  • Latencies are expected with batch jobs. The system processes data in groups rather than as soon as data arrives.
  • The processes are often not mission-critical at the exact moment they run, so delays don’t impact operations.

Key concepts to know:
  • Batch processing vs real-time processing: Batch processes collect data and run at scheduled times or when resources are available, whereas real-time processing handles data immediately.
  • When to use batch processing:
- High-volume data where immediate results aren’t required - Tasks that can be scheduled (e.g., nightly ETL, end-of-day payroll, bulk reports) - When cost or resource utilization is optimized by processing in groups
Examples: nightly data aggregation, batch payroll processing, end-of-day reconciliations.
If you want, I can walk through how to identify the right scenario for batch vs real-time in practice.

A
AI Tutor Explanation
5/15/2026 9:49:16 AM

Question 5:
I can’t see the [Image] in Question 5, but I can explain the likely reasoning.

  • Correct components: SAS adapter and disk (options B and D).
  • Why: This question is about diagnosing a storage-path issue inside the node. The SAS adapter connects disks to the controller, and the disks themselves are where I/O problems or failures usually originate. The cluster switches and network interface cards are more related to the network path rather than the direct storage path, unless the symptom points to a network fault.

How to examine these two components:
  • SAS adapter
- Check link status and port mapping. - Verify firmware version and compatibility. - Inspect cabling to disk shelves and any expanders. - Look for adapter errors in system logs.
  • Disk
- Check health status for each disk (fail/degraded, SMART data). - Inspect LEDs on the disk and shelf. - Review reallocation, pending operations, and overall disk state with storage commands/logs. - Confirm hot spares and disk replacement readiness.
If you want, I can walk through the exact commands you’d use in ONTAP or a CLI.

A
AI Tutor Explanation
5/14/2026 11:59:47 AM

Question 12:
Here’s why Question 12’s correct choices are C and D.

  • C (Azure DevOps, build and upload to asset library)
- What it means: Create a deployable package from a branch in Azure DevOps, then use an LCS asset upload step to push that package into the Dynamics 365 F&O asset library. - Why it’s valid: This is a standard path to prepare and publish a deployable package to LCS for deployment.
  • D (Visual Studio, create deployment package and upload)
- What it means: Use Visual Studio to generate a Dynamics 365 deployment package, then upload that package to the LCS asset library. - Why it’s valid: Visual Studio can produce the deployable package, which is what LCS expects in the asset library.
Why A and B are not correct:
  • A: Visual Studio export the project and upload to asset library
- You don’t export a project to the asset library; you export a deployable package and upload that.
  • B: Azure DevOps, queue a build and upload the model to the asset library
- The asset library stores deployable packages, not models. You upload a package, not a model.

A
AI Tutor Explanation
5/14/2026 11:49:11 AM

Question 3:
Question 3 asks for two valid ways to meet the purchase order creation validation (warn if the vendor is on the exclusion list for the customer/product and block/alert accordingly).
Correct answers: C and D

  • C: In Application Explorer, create a form extension and implement validation.
- Extend the Purchase Order creation form and add validation logic (e.g., before save/submit) to check VendExclusions for the customer/item and show a warning or block the PO as needed.
  • D: Implement Chain of Command (CoC) and method wrapping by creating a form extension class.
- Use CoC to wrap the target PO creation method, perform the exclusion check after calling super(), and enforce the rule (warning or prevent creation).
Why not A or B?
  • A (class with a form data source event handler) is not the standard pattern for this UI-level validation scenario and is less direct for enforcing creation-time behavior.
  • B (table extension with validation) cannot sufficiently enforce the UI-level workflow or trigger user-facing warnings during PO creation.

So, the two valid techniques are C and D, reflecting the recommended form-extension patterns: direct form validation and CoC-based method wrapping.

A
AI Tutor Explanation
5/14/2026 11:42:28 AM

Question 12:
Here’s how to understand question 12.

  • What the question asks: Two valid ways to prepare and deploy a software deployable package to a test environment (via the asset library in LCS).

  • The correct options: C and D.

- C: In Azure DevOps, queue a build from the corresponding branch to produce a deployable package, then upload that package to the LCS asset library. This uses a release/build workflow and requires an LCS connection set up in Azure DevOps.
- D: In Visual Studio, create a Dynamics 365 deployment package using the dev tools, then upload that deployable package to the LCS asset library. This is the Visual Studio–based path to generate and publish a deployable package.
  • Why A and B are not correct:

- A: Exporting the project from Visual Studio and uploading the project itself to the asset library isn’t the correct artifact; the asset library expects a deployable package, not a raw project export.
- B: Queuing a build and “uploading the model” to the asset library isn’t the standard deployable package workflow; the target artifact should be a deployable package, not a model file.
Key concept: Deployable packages are published to the LCS Asset Library, and you can create them either from Visual Studio or from Azure DevOps as part of a build/release pipeline.

A
AI Tutor Explanation
5/13/2026 11:23:34 PM

Question 6:
Here’s how question 6 works.
Key constraint: All new and extended objects must be in an existing model named FinanceExt. Creating a brand-new model is not allowed.
Why the two correct options work:

  • B. Overlay the existing FinanceExt model and populate the solution definition.
- This keeps all changes inside FinanceExt by overlaying the base model with your solution details.
  • C. Extend the existing FinanceExt model and populate the project model definition.
- This uses the extension approach to add your changes while still residing in FinanceExt, organized via the project model definition.
Why the other options are not correct:
  • A. Create a new model that extends the existing FinanceExt model.
- Not allowed, since no new models may be created.
  • D. Modify DefaultModelForNewProject and name the model FinanceExt.
- The goal is to place changes in FinanceExt, not to name or create a new model via config; this doesn’t describe a valid way to satisfy the constraint.
In short: use B or C; both keep changes inside the existing FinanceExt model.

A
AI Tutor Explanation
5/13/2026 11:00:29 PM

Question 2:
I don’t have the text for Question 2 here. Please paste the exact Question 2 (including all answer choices) or describe the topic it covers.
Once I have it, I’ll:

  • Identify the exam objective it targets.
  • Break down the stem and each option.
  • Use elimination and key concepts to justify why options are correct or incorrect.
  • Give the final answer with a concise explanation of the reasoning.

If there’s an image in Question 2, describe it or transcribe any text shown.

A
AI Tutor Explanation
5/10/2026 12:51:57 AM

Which statement is true about using default environment variables? The environment variables can be read in workflows using the ENV: variable_name syntax. The environment variables created should be prefixed with GITHUB_ to ensure they can be accessed in workflows The environment variables can be set in the defaults: sections of the workflow The GITHUB_WORKSPACE environment variable should be used to access files from within the runner.
Correct answer: The statement "The GITHUB_WORKSPACE environment variable should be used to access files from within the runner." is true.
Why the others are false:

  • ENV: variable_name syntax is not how you read env vars in workflows. Use ${{ env.VARIABLE }} in expressions or $VARIABLE in a shell.
  • Environment variables don’t need a GITHUB_ prefix. Custom vars can have any name; GITHUB_ is only for built-in, predefined vars.
  • defaults: cannot set environment variables. It configures defaults for run steps (like shell or working-directory), not env vars.

Extra tip:
  • GITHUB_WORKSPACE (or ${{ github.workspace }}) is the root path on the runner where the repository is checked out. Use it to access files, e.g., $GITHUB_WORKSPACE/... or ${{ github.workspace }}/....

A
AI Tutor Explanation
5/7/2026 11:34:48 PM

As an administrator for this subscription, you have been tasked with recommending a solution that prohibits users from copying corporate information from managed applications installed on unmanaged devices. Which of the following should you recommend? Windows Virtual Desktop. Microsoft Intune. Windows AutoPilot. Azure AD Application Proxy.

  • Microsoft Intune

Reason: Intune can enforce app protection policies (MAM) on managed apps, even on unmanaged devices, to prevent data leakage (e.g., restricting copy/paste, saving to non-approved apps, etc.). The other options don’t address data protection within apps on unmanaged devices.

A
AI Tutor Explanation
5/4/2026 2:43:10 AM

Question 34:

  • Question 34 asks: Which role(s) has the capability to create Policies? Choose two.
  • Likely correct roles: Compliance Manager and Compliance admin (A and B). These roles typically have policy governance rights to create and manage policies.
  • Why not the others: Compliance User is usually a limited user, not allowed to create policies. Risk Manager focuses on risks, not policy creation in standard setups.
  • Note on the provided key: The answer shown is “C” (Compliance User), which conflicts with “Choose two.” This is probably a key error. In practice, verify against your instance’s ACLs or official docs.
  • Quick check tip: In ServiceNow, review the ACLs and role permissions for the Policy records to see which roles can create policies.

A
AI Tutor Explanation
4/29/2026 11:59:58 PM

function of appnav in sdwan

  • AppNav (Application Navigation) is the Cisco SD-WAN feature that provides application-level visibility and control.
  • It maintains a catalog of applications (AppIDs) with attributes (ports/protocols, categories) and classifies traffic accordingly.
  • It allows policy authors to reference apps by name in policies, enabling application-aware routing, QoS, and service chaining based on the app’s requirements.
  • The SD-WAN fabric uses AppNav data to steer traffic along the best path, improving user experience for critical apps while optimizing WAN usage.

A
AI Tutor Explanation
4/29/2026 5:25:25 AM

Question 1:

  • Correct answer: C. Extract the hardware ID information of each computer to a CSV file and upload the file from the Microsoft Intune admin center.

  • Why this is correct

A
AI Tutor Explanation
4/29/2026 5:23:14 AM

Question 5:

  • Correct answer: A. User4 and User1 only

  • Why this is correct:
- The Automatic Enrollment setting in Intune has MDM user scope: GroupA. Only users in GroupA can enroll devices via MDM auto-enrollment. - Device6 will be enrolled via Windows Autopilot and Intune, so enrollment is allowed only for users in GroupA. - Based on the group memberships in the scenario, User4 and User1 are in GroupA, while User2 and User3 are not. Therefore only User4 and User1 can enroll Device6.
  • Quick tip for the exam:
- Remember: MDM user scope determines who can auto-enroll devices; MAM scope controls app protection enrollment. When a new Autopilot device is enrolled, the signing-in user must be in the MDM scope.

A
AI Tutor Explanation
4/29/2026 5:17:10 AM

Why this is correct

  • Correct answer: C. Extract the hardware ID information of each computer to a CSV file and upload the file from the Microsoft Intune admin center.

  • Why this is correct:
- Windows Autopilot requires devices to be registered by their hardware IDs (hash) before Autopilot can deploy Windows 10 Enterprise. - Collect the hardware IDs from the new Phoenix machines, save them in a CSV, and upload that CSV in the Intune/Windows Autopilot area. This maps each device to an Autopilot deployment profile. - After registration, you can assign Autopilot profiles (Windows 10 Enterprise, etc.). Other options (serial number CSV, generalizing, or Mobility settings) are not the initial Autopilot registration steps.

A
AI Tutor Explanation
4/25/2026 1:53:46 PM

Question 7:

  • Correct answer: B — A risk score is computed based on the number of remediations needed compared to the industry peer average.

Explanation:
  • Risk360 uses a remediation-based score. It benchmarks how many actions are required to fix issues against peers, giving a relative risk posture.
  • Why not the others:
- A: Not just total risk events by location. - C: Time to mitigate isn’t the primary scoring method. - D: Not a four-stage breach scoring approach.
Note: The page text shows a mismatch (it lists D as the answer), but the study guide describes the remediation-based scoring (B) as the correct concept.

A
AI Tutor Explanation
4/25/2026 1:42:20 PM

Question 104:

  • Correct answer: D) Multi-Terabyte (TB) Range

  • Brief explanation:
- clustering keys organize data into micro-partitions to improve pruning when queries filter on those columns. - The performance benefit is most significant for very large tables; for small tables the overhead of maintaining clustering outweighs gains. - Therefore, as a best practice, define clustering keys on tables at the TB scale.

C
Community Helper
4/25/2026 2:03:10 AM

Q23: Fabric Admin is correct. Because Domain admin cannot create domains. Only Fabric Admin can among the given options. Q51: Wrapping @pipeline.parameter.param1 inside {} will return a string. But question requires the expression to return Int, so correct answer should be @pipeline.parameter.param1 (no {})

A
AI Tutor Explanation
4/23/2026 3:07:03 PM

Question 62:

  • Correct answer: D (per the page)

  • Note: The explanation text on the page describes option B (use ZDX score and Analyze Score to trigger the Y Engine analysis), indicating a mismatch between the stated answer and the rationale.

  • Key concept: For fast root-cause analysis, leverage telemetry and auto-correlated insights:
- Use the user’s ZDX score for AWS and run Analyze Score to activate the Y Engine, which correlates metrics across network, client, and application to pinpoint the issue quickly.
  • Why the other options are less effective:
- A: Only checks for outages; doesn’t provide actionable root-cause analysis. - C: Deep Trace helps visibility but is manual and time-consuming. - D: Packet capture is invasive and slow; not the quickest path to root cause.

A
AI Tutor Explanation
4/23/2026 12:26:21 PM

Question 32:

  • Answer: A (2.4GHz)

  • Why: Lower-frequency signals have longer wavelengths and experience less attenuation when passing through walls and obstacles. Higher frequencies (5GHz, 6GHz) are more easily blocked by walls. NFC operates over very short distances and is not meant to penetrate walls. So 2.4 GHz best penetrates physical objects like walls.

A
AI Tutor Explanation
4/21/2026 8:48:36 AM

Question 3:

  • False is the correct answer (Option B).

Why:
  • In Snowflake, a database is a metadata object that exists within a single Snowflake account. Accounts are isolated—there isn’t one database that lives in multiple accounts.
  • You can access data across accounts via data sharing or database replication, but these create separate database objects in the other accounts (e.g., a database in the consumer account created from a share), not a single shared database across accounts.

So a single database cannot exist in more than one Snowflake account.

A
Anonymous User
4/16/2026 10:54:18 AM

Question 1:

  • Correct answer: Edate = sys.argv[1]
  • Why this is correct:
- When a Databricks Job passes parameters to a notebook, those parameters are supplied to the notebook's Python process as command-line arguments. The first argument after the script name is sys.argv[1], so date = sys.argv[1] captures the passed date value directly.
  • How it compares to other options:
- date = spark.conf.get("date") reads from Spark config, not from job parameters. - input() waits for user input at runtime, which isn’t how job parameters are provided. - date = dbutils.notebooks.getParam("date") would work if the notebook were invoked via dbutils.notebook.run with parameters, not

A
Anonymous User
4/15/2026 4:42:07 AM

Question 528:

  • Correct answer: NSG flow logs for NSG1 (Option B)

  • Why:
- Traffic Analytics uses NSG flow logs to analyze traffic patterns. You must have NSG flow logs enabled for the NSGs you want to monitor. - An Azure Log Analytics workspace is also required to store and query the traffic data. - Network Watcher must be available in the subscription for traffic analytics to function.
  • What to configure (brief steps):
- Ensure Network Watcher is enabled in the East US region (for the subscription/region). - Enable NSG flow logs on NSG1. - Ensure a Log Analytics workspace exists and is accessible (read/write) so Traffic Analytics can store and query logs.
  • Why other options aren’t correct:
- “Diagnostic settings for VM1” or “Diagnostic settings for NSG1” alone don’t guarantee flow logs are captured and sent to Log Analytics, which Traffic Analytics relies on. - “Insights for VM1” is not how Traffic Analytics collects traffic data.

A
Anonymous User
4/15/2026 2:43:53 AM

Question 23:
The correct answer is Domain admin (option B), not Fabric admin.

  • Domain admin provides domain-level management: create domains/subdomains and assign workspaces within those domains, which matches the tasks while following least privilege.
  • Fabric admin is global-level access and is more privileges than needed for this scenario (it would grant broader control across the Fabric environment).

A
Anonymous User
4/14/2026 12:31:34 PM

Question 2:
For question 2, the key concept is the Longest Prefix Match. Routers pick the route whose subnet mask is the most specific (largest prefix length) that still matches the destination IP.
From the options:

  • A) 10.10.10.0/28 ? 10.10.10.0–10.10.10.15
  • B) 10.10.13.0/25 ? 10.10.13.0–10.10.13.127
  • C) 10.10.13.144/28 ? 10.10.13.144–10.10.13.159
  • D) 10.10.13.208/29 ? 10.10.13.208–10.10.13.215

The destination Host A’s IP must fall within 10.10.13.208–10.10.13.215 for the /29 to be the best match. Since /29 is the longest prefix among the matching options, Router1 will use 10.10.13.208/29.
Thus, the correct answer is D.

S
srameh
4/14/2026 10:09:29 AM

Question 3:

  • Correct answer: Phase 4, Post Accreditation

  • Explanation:
- In DITSCAP, the four phases are: - Phase 1: Definition (concept and requirements) - Phase 2: Verification (design and testing) - Phase 3: Validation (fielding and evaluation) - Phase 4: Post Accreditation (ongoing operations and lifecycle management) - The description—continuing operation of an accredited IT system and addressing changing threats throughout its life cycle—fits the Post Accreditation phase, which covers operations, maintenance, monitoring, and reauthorization as threats and environment evolve.

O
onibokun10
4/13/2026 7:50:14 PM

Question 129:
Correct answer: CNAME

  • A CNAME record creates an alias for a domain, so newapplication.comptia.org will resolve to whatever IP address www.comptia.org resolves to. This ensures both names point to the same resource without duplicating the IP.
  • Why not the others:
- SOA defines authoritative information for a zone. - MX specifies mail exchange servers. - NS designates name servers for a zone.
  • Notes: The alias name (newapplication.comptia.org) should not have other records if you use a CNAME for it, and CNAMEs aren’t used for the zone apex (root) domain. This scenario uses a subdomain, so a CNAME is appropriate.

A
Anonymous User
4/13/2026 6:29:58 PM

Question 1:

  • Correct answer: C

  • Why this is best:
- Uses OS Login with IAM, so SSH access is granted via Google accounts rather than distributing per-user SSH keys. - Granting the compute.osAdminLogin role to a Google group gives admin access to all team members in a centralized, auditable way. - Access is auditable: Cloud Audit Logs show who accessed which VM, satisfying the security requirement to determine who accessed a given instance.
  • How it works:
- Enable OS Login on the project/instances (enable-oslogin metadata). - Add the team’s

A
Anonymous User
4/13/2026 1:00:51 PM

Question 2:

  • Answer: D. Azure Advisor

  • Why: To view security-related recommendations for resources in the Compute and Apps area (including App Service Web Apps and Functions), you use Azure Advisor. Advisor surfaces personalized best-practice recommendations across resources, including security, and shows which resources are affected and the severity.

  • Why not the others:
- Azure Log Analytics is for ad-hoc querying of telemetry, not for viewing security recommendations. - Azure Event Hubs is for streaming telemetry data, not for security recommendations.
  • Quick tip: In the portal, navigate to Azure Advisor and check the Security recommendations for App Services to see actionable items and affe

D
Don
4/11/2026 5:36:42 AM

Recommend using AI for Solutions rather the Answer(s) submitted here

M
Mogae Malapela
4/8/2026 6:37:56 AM

This is very interesting

A
Anon
4/6/2026 5:22:54 PM

Are these the same questions you have to pay for in ExamTopics?

L
LRK
3/22/2026 2:38:08 PM

For Question 7 - while the answer description indicates the correct answer, the option no. mentioned is incorrect. Nice and Comprehensive. Thankyou

R
Rian
3/19/2026 9:12:10 AM

This is very good and accurate. Explanation is very helpful even thou some are not 100% right but good enough to pass.

G
Gerrard
3/18/2026 6:58:37 AM

The DP-900 exam can be tricky if you aren't familiar with Microsoft’s specific cloud terminology. I used the practice questions from free-braindumps.com and found them incredibly helpful. The site breaks down core data concepts and Azure services in a way that actually mirrors the real test. As a resutl I passed my exam.

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