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NEW QUESTION # 67
What is the formula to find the maximum allowable cable depth in a non-solid bottom cable tray?
- A. H = 50/1 + (L * 0.0007)
- B. H = 100/1 + (L * 0.0007)
- C. H = 150/1 + (L * 0.0007)
- D. H = 200/1 + (L * 0.0007)
Answer: C
NEW QUESTION # 68
According to NEB, what is the recommended range for the low temperature in a data center?
- A. 65 degrees
- B. 60 degrees
- C. 70 degrees
- D. 75 degrees
- E. 55 degrees
Answer: A
NEW QUESTION # 69
What is the Typical Voltage Of A Utility Sub-Station?
- A. High voltage at a stunningly high rate
- B. Medium to Low-voltage range between 270 to13800 volts
- C. The United States uses only Direct Currents DC
- D. Low voltage at 480 or less volts
Answer: B
NEW QUESTION # 70
What is the recommended height of a ceiling in a data center or telecommunications room?
- A. 1112ft
- B. 012 ft
- C. 1015ft(correct)
- D. 0
Answer: C
NEW QUESTION # 71
What is minimum recommended generator fuel storage amount?
- A. enough to run 48-72 hours at full load
- B. enough to run up-to a week at full load
- C. enough to run 4 to 16 hours at full load
- D. enough to run 24 to 36 hours at full load
Answer: A
NEW QUESTION # 72
What is the minimum required headroom for overhead cable tray?
- A. 9"
- B. 12"
- C. 3"
- D. 6"
Answer: D
NEW QUESTION # 73
Which network topology uses the least amount of cabling?
- A. Top of Rack
- B. Mesh
- C. Bus
- D. Star
Answer: A
NEW QUESTION # 74
Where is the recommended location for remote power panels?
- A. inside a sealed room
- B. outside the building
- C. at one or both ends of an equipment row
- D. suspended from ceiling
Answer: C
NEW QUESTION # 75
what additional fuel filtering is required for generators in class F3 and F4 facilities
- A. four stage, paper-type fuel filters
- B. two-stage, spin-on-type fuel filters
- C. five stage, mesh type fuel filters
- D. three stage, spin-on-type fuel filters
Answer: D
NEW QUESTION # 76
Where should all Storage and Unpacking activities occur?
- A. Inside Computer Room
- B. Outside Computer room, either in Storage Rooms or Staging Areas located adjacent to Computer Room with Dedicated air Handling
- C. Outside the Building, at a secure location.
- D. None of these
- E. Near the Main Entrance of Data Center
Answer: B
NEW QUESTION # 77
What is the smoke development rating required for all materials hosted in a containment system?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 78
What are the different generator ratings?
- A. Prime, Continuous and Standby
- B. Primary, Secondary and Tertiary
- C. Normal, Redundant and Fault-tolerant
- D. Standard, Backup and Emergency
Answer: A
NEW QUESTION # 79
Where should power cable be ran in an access floor?
- A. Cold aisle
- B. Hot aisle
- C. Below the access floor
- D. Above the access floor
Answer: A
NEW QUESTION # 80
When is a battery room required to have electrolyte spill containment and exhaust systems?
- A. When the ceiling suspended load capacity is below 20 pounds per square foot
- B. When corrosive fumes are detected in operation room
- C. when the potential for outgassing hydrogen exists
- D. when the battery weight exceeds 500 pounds
Answer: C
NEW QUESTION # 81
What is the recommended level of redundancy for a critical power system in a Tier III data center?
- A. 2N
- B. 3N
- C. N+1
- D. 2N+1
- E. N
Answer: C
NEW QUESTION # 82
What is the recommended raised floor height, especially for high density needs and underfloor HVAC?
- A. 30"
- B. 42"
- C. 24"
- D. 36"
Answer: D
NEW QUESTION # 83
What kind of height clearance should data center access roads have?
- A. None Of The Above.
- B. A Minimum clear road width with fourteen (14)ft hight clearance throughout.
- C. A Minimum clear road width and sixteen (16) ft height clearance throughout.
- D. A Minimum clear road width and six(06) ft height clearance throughout.
Answer: B
NEW QUESTION # 84
where is the storage room located?
- A. All
- B. outermost point of Data Centre
- C. next door to computing area
- D. away from computer room, adjacent to equipment entrance at data center
- E. Near Backup Generator
Answer: D
NEW QUESTION # 85
What is the recommended amount of fuel supply needing to be available to a class F3 data center?
- A. 96 hours
- B. 48 hours
- C. 24 hours
- D. 72 hours
Answer: D
NEW QUESTION # 86
What is the NEBS GR-3028-CORE recommended operational temperature.
- A. Up To140 Degrees Fahrenheit /60 Degrees Celsius
- B. -20°F/-28° C minimum and up to a maximum of104 ° Fahrenheit/40° Celsius
- C. -30°F to +110°F (-34°C to +43°C)
- D. -25°F to +125°F (-32°C to +52°C)
Answer: B
NEW QUESTION # 87
What are the factors that affect availability?
- A. Operational Requirements
- B. All of the above
- C. Impact of Downtime
- D. Operational Availability
Answer: B
NEW QUESTION # 88
What is the difference between a hard-wired and a plug-in UPS?
- A. Plug-in UPS is more cost-effective than hard-wired UPS
- B. Hard-wired UPS is more efficient in terms of power delivery than plug-in UPS
- C. Hard-wired UPS is permanently connected to the electrical system while plug-in UPS can be easily connected and disconnected
- D. Hard-wired UPS is more reliable than plug-in UPS
Answer: C
NEW QUESTION # 89
what is the maximum recommended elevation for a data center
- A. 1,000 ft
- B. 10,000 ft
- C. 5,000 ft
- D. 15,000 ft
Answer: B
NEW QUESTION # 90
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