[2023年11月] ベストな問題集を使おうDCDC Certification DCDC-002専門試験問題
100%の合格率を試そう！更新されたのはDCDC-002試験問題 [2023]
DCDC-002試験では、電力と冷却、ケーブルインフラストラクチャ、セキュリティ、ネットワーク設計など、データセンターの設計に関連するさまざまなトピックをカバーしています。また、候補者は、業界の基準とベストプラクティスに関する知識、および効果的なデータセンターの設計を開発および実装する能力についてもテストされています。
質問 # 19
What is the difference between a raised floor and a solid floor?
- A. Solid floor is more flexible and adaptable to changing needs
- B. Solid floor allows for better cooling efficiency and higher load capacity
- C. Raised floor allows for better airflow and cable management
- D. Raised floor is cheaper and easier to install
正解：C
質問 # 20
What is the minimum distance from the bottom of the access floor to the top of the cable tray?
- A. 5 inches
- B. 4 inches
- C. 2 inches
- D. 3 inches
- E. 1 inch
正解：C
質問 # 21
What is the function of an emergency generator?
- A. provide backup power to IT equipment only
- B. supply power to the restrooms during a utility outage
- C. all of the above
- D. back up office lighting
正解：C
質問 # 22
What three things limit the amount of IT equipment per rack?
- A. staffing availability, security measures, and access points
- B. sustainability goals, partitioning requirements, and compliance mandates
- C. power constraints, cooling constraints and lastly, rack space
- D. fire suppression system technology, humidity levels, and network speed
正解：C
質問 # 23
What is the Fourth Preference Regarding Utility Service?
- A. At least four circuits each from different distribution stations but fed via common feeders
- B. One circuit from one substation, separate paths
- C. At least two circuits from one substation fed via alternative power grid
- D. Two balanced feeds with different voltages derived from a single distribution station
正解：B
質問 # 24
What is the recommended range for the high temperature in a data center according to ASHRAE?
- A. 85 degrees
- B. 75 degrees
- C. 70 degrees
- D. 90 degrees
- E. 80.6 degrees
正解：E
質問 # 25
What types of electrical equipment is typically located inside the computer room
- A. Circuit Breakers only
- B. power distribution units, not power distribution equipment, remote power panels, and power strips
- C. transformers only
- D. Uninterrupted Power Supply (UPS) only
正解：B
解説：
Explanation
質問 # 26
What is the ASHRAE TC 9.9 recommended range for humidity levels in a data center?
- A. 60-80%
- B. 20-50%
- C. 80-100%
- D. 40-60%
正解：D
質問 # 27
Which areas should generate a history of all access attempts and monitored by CCTV Security System?
- A. Loading Docks
- B. Storage Areas
- C. Any concealed places
- D. Only computer rooms
- E. Computer rooms, Loading docks, storage areas, Staging areas and Vendor Storage
正解：E
質問 # 28
What is the ASHRAE TC 9.9 recommended range for static pressure in a data center?
- A. 0.01-0.05 inches water gauge
- B. 0.1-0.15 inches water gauge
- C. 0.05-0.1 inches water gauge
- D. 0.15-0.2 inches water gauge
正解：A
質問 # 29
What is the recommended placement of electrical distribution sub systems
- A. install within server racks
- B. install in dedicated electrical rooms, or, locate outside the computer room with fire rated wall
- C. install within the computer room space on raised floor
- D. none of the above
正解：B
解説：
Explanation
質問 # 30
where should engineering offices be located?
- A. far away from the data center
- B. adjacent to equipment rooms they support
- C. inside computer room
- D. in a separate building
正解：B
質問 # 31
What is the flame index spread rating required for all materials hosted in a containment system?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 32
Where should all Storage and Unpacking activities occur?
- A. Outside Computer room, either in Storage Rooms or Staging Areas located adjacent to Computer Room with Dedicated air Handling
- B. Inside Computer Room
- C. None of these
- D. Outside the Building, at a secure location.
- E. Near the Main Entrance of Data Center
正解：A
質問 # 33
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 is more reliable than 2N redundancy
- C. 2N redundancy is more cost-effective than N+1 redundancy
- D. N+1 redundancy means that there is one additional backup component while 2N redundancy means that there are two identical backup components
正解：D
質問 # 34
What is the recommendation regarding row length?
- A. All
- B. None
- C. Do not exceed 20 racks in length and dead-end rows not to exceed ten racks long
- D. Ten Racks in Length
- E. Maximum twenty-five racks in each row only
正解：C
質問 # 35
What is the recommended amount of fuel supply needing to be available to a class F2 data center?
- A. 24 hours
- B. 18 hours
- C. 30 hours
- D. 12 hours
- E. 36 hours
正解：A
質問 # 36
According to NEB, what is the recommended rate of temperature change per hour in a data center?
- A. 72 degrees
- B. 63 degrees
- C. 54 degrees
- D. 36 degrees
- E. 45 degrees
正解：C
質問 # 37
What are the minimum separation distances for electrical and telecom services pathways to maintain from their primary and redundant feeds?
- A. 10 meters (33 feet)
- B. 20 meters (66 feet)
- C. 5 meters (16 feet)
- D. 15 meters (49 feet)
正解：B
質問 # 38
when is a battery room required to have electrolyte spill containment and exhaust systems?
- A. when using Lithium batteries
- B. when using Sealed lead-acid-batteries
- C. when using Nickel Cadmium batteries
- D. when the batteries contain liquid, free-flowing electrolyte
- E. All of Above
正解：D
解説：
Explanation
質問 # 39
What is the clearance required for the hot aisle width?
- A. 6 ft
- B. 8 ft
- C. 4 ft
- D. 2 ft
正解：C
質問 # 40
How many air changes an hour inside an equipment room?
- A. 0.50
- B. 2.00
- C. 1.50
- D. 1.00
- E. 0.25
正解：E
質問 # 41
what is the hydrogen maximum for a data center?
- A. None Of These answers
- B. 1 % of total room volume
- C. 15%of total room volume
- D. 20%of total room volume
正解：B
質問 # 42
What Enhanced Fujita Scale level is commonly used in wind loading calculations?
- A. EF2,113-157mph
- B. EF3,158-206mph
- C. EF4,207-260 mph
- D. EF1,73-112 mph
正解：C
質問 # 43
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DCDC-002試験問題を今すぐ試そう！最新の[2023年最新] 正解回答付き：https://www.passtest.jp/BICSI/DCDC-002-shiken.html
合格させるDCDC-002試験にはリアル問題解答：https://drive.google.com/open?id=1JYDtAgwvvu1-u_m_hE9vRFNGklQFztho