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Question 47 - 112-51 discussion

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Which of the following environmental controls options saves the hardware from humidity and heat, increases hardware performance, and maintains consistent room temperature?

A.
Hot and cold aisles
Answers
A.
Hot and cold aisles
B.
Lighting systern
Answers
B.
Lighting systern
C.
Temperature indicator
Answers
C.
Temperature indicator
D.
EMI shielding
Answers
D.
EMI shielding
Suggested answer: A

Explanation:

Hot and cold aisles are a type of environmental control that saves the hardware from humidity and heat, increases hardware performance, and maintains consistent room temperature. Hot and cold aisles are a layout design for data centers, where the server racks are arranged in alternating rows of cold air intake and hot air exhaust. The cold aisle faces the air conditioner output ducts and provides cool air to the front of the servers. The hot aisle faces the air conditioner return ducts and collects the hot air from the back of the servers. This way, the hot and cold air streams are separated and do not mix, resulting in better cooling efficiency, lower energy consumption, and longer hardware lifespan.

Reference:

Hot and cold aisles - Week 4: Network Security Controls: Physical Controls

Hot and Cold Aisles: The Basics of Data Center Cooling

Hot Aisle vs. Cold Aisle Containment: Which One is Best for Your Data Center?

asked 18/09/2024
Hari Krishnan
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