Guaranteed Success in DCDC Certification DCDC-003.1 Exam Dumps
BICSI DCDC-003.1 Daily Practice Exam New 2026 Updated 160 Questions
NEW QUESTION # 36
What is the Fourth Preference Regarding Utility Service?
- A. Two balanced feeds with different voltages derived from a single distribution station
- B. At least four circuits each from different distribution stations but fed via common feeders
- C. At least two circuits from one substation fed via alternative power grid
- D. One circuit from one substation, separate paths
Answer: D
NEW QUESTION # 37
what is the ANSI/TIA-942 typical range of pressure differential regarding positive pressure for data center.
- A. Less than or equal to -0,1 in water column (-25 Pa)
- B. More than -0,005 in wc (< -1,24 Pa), but less than or equal to +0,05in wc (+12,4 Pa)
- C. More than +3in wc (>746Pa),but less than or equaltto+6,in wc(1492 pa))
- D. Less Than -4,+4 inches water column(-1000 opa ,+100 <pa>)
Answer: A
NEW QUESTION # 38
where should engineering offices be located?
- A. in a separate building
- B. adjacent to equipment rooms they support
- C. inside computer room
- D. far away from the data center
Answer: B
NEW QUESTION # 39
What is the clearance required between cabinets and the perimeter wall?
- A. 8 ft
- B. 2 ft
- C. 4 ft
- D. 6 ft
Answer: C
NEW QUESTION # 40
What are the different generator ratings?
- A. Prime, Continuous and Standby
- B. Standard, Backup and Emergency
- C. Normal, Redundant and Fault-tolerant
- D. Primary, Secondary and Tertiary
Answer: A
NEW QUESTION # 41
What is the difference between N+1 and 2N redundancy?
- A. N+1 redundancy is more flexible and adaptable to changing needs than 2N redundancy
- B. N+1 redundancy means that there is one additional backup component while 2N redundancy means that there are two identical backup components
- C. N+1 redundancy is more reliable than 2N redundancy
- D. 2N redundancy is more cost-effective than N+1 redundancy
Answer: B
NEW QUESTION # 42
What is minimum recommended generator fuel storage amount?
- A. enough to run 4 to 16 hours at full load
- B. enough to run up-to a week at full load
- C. enough to run 48-72 hours at full load
- D. enough to run 24 to 36 hours at full load
Answer: C
NEW QUESTION # 43
What is the maximum recommended number of racks in an aisle?
- A. 20 racks
- B. 30 racks
- C. 10 racks
- D. 40 racks
Answer: A
NEW QUESTION # 44
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. Low voltage at 480 or less volts
- D. The United States uses only Direct Currents DC
Answer: B
NEW QUESTION # 45
Which areas should generate a history of all access attempts and monitored by CCTV Security System?
- A. Only computer rooms
- B. Loading Docks
- C. Computer rooms, Loading docks, storage areas, Staging areas and Vendor Storage
- D. Storage Areas
- E. Any concealed places
Answer: C
NEW QUESTION # 46
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 # 47
what are the two rooms that may require 2 exits?
- A. Equipment Room and Security Rooms
- B. Water Supply Rooms
- C. Mechanical Room and Electrical
- D. the electrical Room and battery room
- E. Computing rooms And Storage rooms
Answer: D
Explanation:
Explanation:
NEW QUESTION # 48
where should the secured storage area be located?
- A. adjacent to the secured loading dock
- B. None of above
- C. adjacent to the non-secured loading dock
- D. far away as possible from secure data
- E. adjacent to security offices
Answer: A
NEW QUESTION # 49
What is the most common type of automatic transfer switch?
- A. Delayed transition
- B. Soft load transition
- C. Closed transition
- D. Open transition
Answer: D
NEW QUESTION # 50
How do you calculate the thermal load of the lighting system inside a data center?
- A. Rated power * .02
- B. Rated power * .05
- C. Rated power * .01
- D. IT load * .01
- E. IT load * .02
Answer: A
NEW QUESTION # 51
What is the third preference regarding electricity supply?
- A. One Balanced Feeder Coordinated With Upstream Backup Feed
- B. Two Balanced Feeds With Same Voltage Derived From A Single Distribution Station
- C. At Least Two Circuits From Same Power Grid But Different Substations And Separate Paths
- D. One Circuit From Single Sub Station Fed Via Additional Path from Alternate Power Grid
Answer: C
NEW QUESTION # 52
where is the storage room located?
- A. next door to computing area
- B. Near Backup Generator
- C. away from computer room, adjacent to equipment entrance at data center
- D. outermost point of Data Centre
- E. All
Answer: C
NEW QUESTION # 53
What is the NEBS GR-3028-CORE recommended operational temperature.
- A. -20°F/-28° C minimum and up to a maximum of104 ° Fahrenheit/40° Celsius
- B. -30°F to +110°F (-34°C to +43°C)
- C. Up To140 Degrees Fahrenheit /60 Degrees Celsius
- D. -25°F to +125°F (-32°C to +52°C)
Answer: A
NEW QUESTION # 54
What is the recommended range for the low temperature in a data center according to ASHRAE?
- A. 70 degrees
- B. 60 degrees
- C. 64.4 degrees
- D. 55 degrees
- E. 75 degrees
Answer: C
NEW QUESTION # 55
Where should the entrance room be located within a data center?
- A. In a separate building on the campus
- B. Adjacent to or in a secured space within the computer room
- C. In the computer room
- D. Anywhere with easy access to the outside
Answer: B
NEW QUESTION # 56
How often is there typically a technology refresh in a data center?
- A. Every 1-2 years
- B. There is no typical refresh cycle
- C. Every 3-5 years
- D. Every 7-10 years
Answer: C
NEW QUESTION # 57
What are three primary considerations in designing the power systems space plan?
- A. Energy utilization, efficiency of cooling and redundant generators
- B. Physical security, environmental monitoring, backup power source
- C. Reduce transmission loss, conduit path minimizing & spacing requirement for system
- D. Leakage current control, firewall protection & hardening redundancy
Answer: C
NEW QUESTION # 58
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