CompTIA Exam Questions

Which of the following systems are they MOST likely discussing?

An organization is moving to a new datacenter. During the move, several technicians raise concerns
about a system that could potentially remove oxygen from the server room and result in suffocation.
Which of the following systems are they MOST likely discussing?

A.
Fire suppression

B.
Mantraps at the entry

C.
HVAC

D.
UPS and battery backups