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NEW QUESTION # 64
what is the second preference regarding utility service
- A. At least One Circuit from two Separate Substations and Different Voltage Levels
- B. At least four circuits each from different distribution stations but fed via common feeders
- C. Two balanced feeds with different voltages derived from a single distribution station
- D. One balanced feeder coordinated with upstream backup feed
Answer: C
NEW QUESTION # 65
when is a battery room required to have electrolyte spill containment and exhaust systems?
- A. when using Nickel Cadmium batteries
- B. when using Sealed lead-acid-batteries
- C. when the batteries contain liquid, free-flowing electrolyte
- D. when using Lithium batteries
- E. All of Above
Answer: C
Explanation:
Explanation
NEW QUESTION # 66
What is the benefit to locating the power distribution unit supporting equipment outside the computer room
- A. None of the above
- B. Enables greater energy efficiency
- C. Allows for easier access by IT staff during maintenance tasks
- D. maintenance. activities are not taking place inside critical computer roomspace
Answer: D
Explanation:
Explanation
NEW QUESTION # 67
What is the ASHRAE min and max dew point
- A. 42F and 65F
- B. 30F and 59F
- C. 40F and 55F
- D. -10°F to +85°F
Answer: A
NEW QUESTION # 68
What are main concepts in choosing location of the entrance room?
- A. If possible, it should be very close, and, in the computer room distance limitations for T1,T3,E1,and E3 circuits,
- B. All of these
- C. Dedicated location outside building
- D. Should not be near to Data Center
Answer: A
Explanation:
Explanation
NEW QUESTION # 69
why does the entrance room designer need to meet with each anticipated access provider?
- A. As an alternative approach to save cost
- B. To know about hardware requirement only
- C. none of above
- D. To determine their electrical, space, interface, and other facility requirements
Answer: D
Explanation:
Explanation
NEW QUESTION # 70
What are two functions of telecommunications entrance room?
- A. none of these
- B. to provide a secure area where access provider outdoor cable can be converted, to indoor cable, and, house access provider owned equipment
- C. to store backup telecommunication devices
- D. to house all company-wide communication devices
Answer: B
NEW QUESTION # 71
According to TIA-942, what is the low temperature that must be maintained in a data center?
- A. 70 degrees
- B. 65 degrees
- C. 68 degrees
- D. 75 degrees
- E. 60 degrees
Answer: C
NEW QUESTION # 72
What are the equipment clearance/access requirements when designing the door openings and loading dock areas for a data center?
Answer:
Explanation:
Clearance requirements of 10' L x 4' W x 8' H and 7500 pounds
NEW QUESTION # 73
What is the most common type of automatic transfer switch?
- A. Closed transition
- B. Soft load transition
- C. Delayed transition
- D. Open transition
Answer: D
NEW QUESTION # 74
What is the minimum slab floor to ceiling height recommended?
- A. 14feetminimum
- B. 12feetminimum
- C. 15feetminimmum
- D. 16feetminimum
Answer: C
NEW QUESTION # 75
What is the preferred location of the power distribution unit?
- A. inside a ventilation duct
- B. under each server rack
- C. a service gallery outside the computer room, if the A H J and feeder distances allow
- D. in an unused area of another floor
Answer: C
NEW QUESTION # 76
What is the high temperature that must be maintained in a data center according to TIA-942?
- A. 70 degrees
- B. 77 degrees
- C. 80 degrees
- D. 85 degrees
- E. 75 degrees
Answer: B
NEW QUESTION # 77
What is the minimum required headroom for overhead cable tray?
- A. 3"
- B. 12"
- C. 9"
- D. 6"
Answer: D
NEW QUESTION # 78
Apart from Power usage effectiveness or P U E, and Data center infrastructure Efficiency Or D C i E, what other standardized measurements are there for data center efficiency?
- A. Return temperature index.
- B. All of the above
- C. None of The Above.
- D. Energy efficiency Ratio.
Answer: B
NEW QUESTION # 79
What specific power consumption should be used to measure PU E?
- A. only that which directly supports the data center like electrical distribution and cooling equipment
- B. Proportion between IT subsystem's input vs output capacities over some period.
- C. What can directly support operations without including power utilization How much energy a particular device utilizes per unit of time?
- D. Maximal consumption across all measured devices in a specified amount of time.
Answer: A
NEW QUESTION # 80
What is the minimum distance from the bottom of the access floor to the top of the cable tray?
- A. 4 inches
- B. 3 inches
- C. 2 inches
- D. 1 inch
- E. 5 inches
Answer: C
NEW QUESTION # 81
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