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Question 1

A computer room is fitted with a hypoxic-based fire suppression system. On what principle does it work?

Options :

A : It removes the heat from the fire

B : It lowers the oxygen levels in the room

C : It removes the fuel from the fire

D : It uses water as an extinguisher

Answer: B

Question 2

A new facility requires electrical distribution of 100A to be installed in the computer room, 1 m (3 ft) above sensitive IT equipment. What type of system minimizes EMF impact?

Options :

A : Install single-phase power cabling

B : Install three-phase power cabling based on three individual core wires

C : Install bus bar trunking

D : Install three-phase power cabling based on a combined cable (e.g., XLPE)

Answer: D

Question 3

What is the minimum requirement for power feeds to a Rated-4 data center (ANSI/TIA-942)?

Options :

A : Two feeds from two different substations, one power company not acceptable

B : Two feeds from two different substations, one power company acceptable

C : Two feeds from one substation

D : One feed split into two distribution boards

Answer: B

Question 4

Every air distribution system has a ____________ system and a _________ system

Options :

A : Supply, Release

B : Supply, Return

C : Supply, Reverse

D : Maintenance, Regulation

Answer: B

Question 5

Smoke sensors must be installed in the computer room. What is the minimum density?

Options :

A : 1 per 5 m²

B : 1 per 10 m²

C : 1 per 25 m²

D : 1 per 40 m²

Answer: C