What is the advantage of a three-phase power source versus a single-phase power source?
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.)
Based on individual network IP addresses, an enterprise management system (EMS) handles which type of information?
Your data center has a 75 kW load and is located in a building that would require long distances between the indoor and outdoor cooling units. There is no cooling tower available and reducing capital cost is a priority.
Which heat rejection method should be used?
Given a constant voltage, as the amperage increases, what must happen to the cross-sectional area of a wire?
The highest density per rack heat loads should be cooled with which cooling architecture?
Which statement describes the capability of a data cable installation?
Regarding power cabling, what is the minimum number of wires in a factory configured power whip?
What is an indirect cost of downtime that is difficult to quantify?
What is the function of a circuit breaker?
A planning challenge for data center managers is to find an NCPI solution that allows incremental purchases of necessary resources on short time frames.
Which type of NCPI management is concerned with this challenge?
When developing a management strategy, how long do organizations typically focus on fully implementing each management process before moving on to the next?
What are two primary challenges for optimizing lifecycle costs with regard to rack systems? (Choose two.)
What is the purpose of the voltage regulator as a component of a standby generator?
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?
Which three fuels are used to power a generator? (Choose three.)
Which two choices would ease the maintenance and serviceability of equipment in a data center? (Choose two)
Which type of humidification system rapidly vibrates water to create a fog or mist that is introduced into the air?
What is an advantage of ceiling mount systems?
Which statement describes the system + system redundant configuration?
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This picture illustrates which type of cooling architecture?
Which represents the highest expense when pricing out a cabling solution?
Which fire suppression device uses a solder or glass bulb valve fuse?
Which two types of cables would you expect to see used in a network backbone?(Choose two.)
Which method of heat transfer occurs when stepping barefoot onto hot pavement?
Which three key components make up a three-phase stationary power distribution unit? (Choose three.)
What are two advantages of the line interactive UPS? (Choose two.)
Which is an example of a row-oriented cooling architecture?
In which heat rejection system is the compressor located outside of the CRAC unit?
What are two reasons for choosing enclosures with square holes and cage nuts? (Choose two.)
What is the primary difference between double conversion and delta conversion UPS systems?
The rear of an IT equipment rack is fitted with a fan-assist device that is connected to a drop ceiling plenum, which is in turn connected to the perimeter CRAC unit.
This is an example of which type of air distribution system?
Click the Exhibit button.
This picture illustrates which type of cooling architecture?
Which type of multimode fiber is commonly used to support longer runs of 10 Gigabit Ethernet?
What is an advantage of air cooled split systems?
Which two should be used as a basis for determining the UPS redundancy configuration? (Choose two.)
Why are dry chemical fire extinguishers a poor practice for data center fire protection?
What is the primary purpose of data center physical security?
Undervoltage is a more technically accurate term to describe what event?
What are the four operating modes of CRAC units?
What are three power distribution components found in data centers? (Choose three.)
How does the parallel redundant UPS configuration differ from an isolated redundant UPS configuration?
What is an advantage of hot aisle/cold aisle rack configuration?
Which standard ensures physical compatibility between racks, enclosures, and rack mounted equipment?
Which UPS topology uses a transfer switch between the primary power source and the inverter?
What are three data center attributes that impact the selection of a fire protection system? (Choose three.)
Which two describe an air sampling smoke detection system? (Choose two.)
Perimeter CRAC units discharge into the raised floor space, and perforated tiles exist in front of the IT equipment racks. No other air management devices are present in the space.
This is an example of which type of air distribution system?