Power Over Ethernet's Effect on Wiring Closets MCQ Course Answers

Question

Heat is dissipated both inside and outside of the wiring closet.

 

T

F

Score: 100%

Question

When selecting a UPS for a wiring closet, one should consider which of the following?

 

The total power required in Watts

The run time required in minutes

The level of redundancy desired

The voltages and receptacles required

All of the above

Score: 100%

Question

Which of the following is a benefit of Power over Ethernet?

 

Reduction in cabling

Freedom regarding location of devices

Less required physical infrastructure

All of the above

Score: 100%

Question

Which of the following typical wiring closet characteristics is NOT a major challenge

 

They are usually hidden in a building

They usually hold equipment with varying airflow patterns

They are usually poorly lit and poorly ventilated

They contain equipment that produces more heat than ever before

Score: 100%

Question

Which of the following is the most accurate description of a midspan PSE?

 

A unit which injects power at the switch along with data traffic

A unit which injects power upstream, after the network switch

A unit that injects power at the switch against data traffic.

None of the above are accurate descriptions of a midspan PSE

Score: 100%

Question

Which of the following is the most accurate description of an endpoint PSE?

 

A unit which injects power at the switch along with data traffic

A unit which injects power upstream, after the network switch

A unit that injects power at the switch against data traffic.

None of the above are accurate descriptions of an endpoint PSE

Score: 100%

Question

Current flowing through cable causes energy to dissipate in the form of heat.

 

T

F

Score: 100%

Question

Which of the following is ASHRAE's recommended maximum room temperature for wiring closets?

 

60°F (16°C)

67°F (19°C)

70°F (21°C)

77°F (25°C)

Score: 100%

Question

Which of the following is the correct term for the cooling method that involves heat leaving the room through the walls and ceiling?

 

Conduction

Passive ventilation

Active ventilation

Dedicated air conditioning

Score: 100%

Question

Which of the following is a case where dedicated air conditioning is appropriate even when ventilation appears to be a technically viable?

 

The ventilation air outside the closet contains significant dust or other contaminants.

The ventilation air outside the closet is subject to excessive temperature swings.

Practical constraints, such as leases or cosmetics, make it impossible to add ventilation ducts

All of the above

Score: 100%

Link To Course