The rear of an IT equipment rack is fitted with a duct that is connected to a drop ceiling plenum; the plenum is connected by a duct to the perimeter CRAC unit. The CRAC unit discharges air into a raised floor. The IT equipment rack is located above a hole in the raised floor which allows conditioned air to enter the rack.
This is an example of which type of air distribution system?
Consider a data center installation where circuit panels are installed at the end of each row of IT racks. Conduit is then run from power distribution units (PDUs) to the circuit panels and then to a subset of connections to the racks.
What are the two primary advantages to this power cabling approach? (Choose two.)
A UPS system consists of three modules in a parallel redundant configuration. Each module is rated to provide 200 kW of power. If the electrical load grows from 350 kW to 420 kW, what will happen?
What are the two features of enclosures that optimize adaptability when reconfiguring room layouts?
What are two common UPS topologies? (Choose two.)
What aspect of standby power generation is highly regulated by governmental bodies?
Which air conditioning system must have a one-to-one relationship between the indoor unit and the outdoor heat exchanger?
A co-location company invested huge amounts of capital to develop a solid, high security infrastructure and planned for "worse case" in terms of capacity.
What are two possible reasons this company failed? (Choose two.)
A data center manager wants to purchase a reliable UPS and specifies an MTBF of one million hours.
What are two reasons this specification is flawed? (Choose two.)
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