Free Exin EPI-Certified-TIA-942-Internal-Auditor Exam Questions

Become Exin Certified with updated EPI-Certified-TIA-942-Internal-Auditor exam questions and correct answers

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Total 296 Questions | Updated On: Feb 20, 2026

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Question 1

How does the use of variable refrigerant flow (VRF) systems in HVAC design improve the adaptability and energy efficiency of the system, especially in multi-zone buildings?

A : VRF systems are limited to single-zone applications.

B : VRF systems rely on fixed refrigerant flow rates for efficiency.

C : VRF systems require extensive ductwork for air distribution.

D : VRF systems use a single refrigerant circuit to serve multiple indoor units.

Answer: D

Question 2

What is the primary purpose of using an automatic transfer switch (ATS) in a data center's power infrastructure?

A : To increase the total power capacity available to the data center.

B : To provide backup power during electrical outages and prevent downtime.

C : To convert direct current (DC) power to alternating current (AC) power for efficient distribution.

D : To automatically transfer electrical loads between primary and backup power sources, ensuring continuous operation.

Answer: D

Question 3

During a TIA-942 internal audit, why is it essential to assess the effectiveness of the data center's environmental controls such as temperature, humidity, and airflow management?

A : To align with corporate social responsibility and sustainability goals

B : To reduce operational costs

C : To improve the marketability of the data center

D : To ensure that the environmental conditions are optimal for equipment performance and longevity

Answer: D

Question 4

In which scenario would a hybrid topology be most beneficial?

A : When scalability is not a concern

B : When budget constraints are severe

C : When minimal cabling is desired

D : When diverse connectivity requirements exist

Answer: D

Question 5

What is the function of a damper in an HVAC system?

A : To enhance the filtration process

B : To increase the heating efficiency

C : To provide additional insulation within the ductwork

D : To control the flow of air within the duct system, allowing for balanced airflow and temperature control

Answer: D

Page: 1 / 60

Total 296 Questions | Updated On: Feb 20, 2026

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