CDCS日本語関連対策 & CDCS専門試験

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試験の準備方法-信頼的なCDCS日本語関連対策試験-認定するCDCS専門試験

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EXIN CDCS 認定試験の出題範囲：

トピック	出題範囲
トピック 1	データセンターの環境配慮と効率: このセクションでは、データセンター運用における環境要因への対応と効率化の促進に関するデータセンター専門家の能力を評価します。データセンター管理者やエンジニアなどの対象者は、エネルギー効率、冷却管理、持続可能な実践を強化する対策を特定して実装する能力がテストされます。
トピック 2	データセンターの設計と実装: このモジュールの試験では、データセンターの設計と実装を担当する Exin データセンタープロフェッショナルの知識を評価します。受験者は、スケーラビリティ、冗長性、セキュリティの考慮など、効率的なデータセンターレイアウトを作成するための重要な原則を学習します。
トピック 3	データセンターのライフサイクルと標準: 試験のこのセクションでは、データセンターの専門家のスキルを測定し、計画と設計から実装と廃止まで、データセンターのライフサイクルに関係するさまざまな段階をカバーします。

EXIN EPI Certified Data Centre Specialist 認定 CDCS 試験問題 (Q109-Q114):

質問 # 109
The 'maximum exposed area' of the fire-rated glass is defined by the supplier as 3 sqm/32 sqft. The window area is 4 sqm/43 sqft.
What would be the best option?

A. Split the window into parts smaller than specified as the maximum exposed area and ensure fire-rated frames are used.
B. Split the window in two equal parts fitted together with transparent silicon glue.
C. Split the window in two equal parts using an aluminum frame.
D. Do not use fire-rated glass due to the size limit and replace it with normal glass.

正解：A

解説：
When the window area exceeds the maximum exposed area specified for fire-rated glass, it is necessary to split the window into sections that comply with the fire rating requirements. This means creating smaller sections that are each within the 3 sqm/32 sqft limit and using fire-rated frames to ensure that the entire assembly meets fire safety standards. This approach maintains the fire-rated integrity of the glass, while allowing for larger window areas.
Detailed Explanation:
Fire-rated glass is designed to contain fire and prevent it from spreading. If the window exceeds the maximum exposed area defined by the supplier, the integrity of the fire-rated glass could be compromised. By dividing the window into compliant sections with fire-rated frames, you ensure that each pane performs as intended in the event of a fire. Fire-rated frames help maintain the fire resistance across the entire assembly, making this option the best for safety and compliance.
EPI Data Center Specialist References:
EPI recommends adhering strictly to fire safety standards, especially when using materials like fire-rated glass. The guidelines emphasize that modifications should always respect the manufacturer's specifications to ensure the system remains effective in containing and preventing the spread of fire.

質問 # 110
What is the redundancy setup shown in the diagram?

A. N+2
B. 2+N+1
C. 2(N+1)
D. N+N+N

正解：A

解説：
The diagram shows three UPS modules, each 100 kW, connected in parallel to support a 100 kW IT load.
That means:
* One module (100 kW) can support the load (N).
* Two additional modules are installed as redundancy.
This equals N+2 redundancy.
* 2+N+1 and 2(N+1) imply dual active paths not shown.
* N+N+N is not an industry term.
Thus, the correct redundancy level is N+2.
References: ANSI/TIA-942-B §6.2 (UPS Redundancy Models), IEC 62040-3.

質問 # 111
Which formula is correct?

A. Phase-to-Neutral Voltage = Phase-to-Neutral voltage * 1.732
B. Phase-to-Neutral Voltage = Phase-to-Phase voltage /1.732
C. Phase-to-Neutral Voltage = Phase-to-Phase voltage * 1.732
D. Phase-to-Neutral Voltage = (Phase-to-Phase voltage * 1.732) / Phase-to-Neutral Voltage

正解：B

解説：
The correct formula for calculating Phase-to-Neutral Voltage in a three-phase power system is Phase-to-Neutral Voltage = Phase-to-Phase Voltage / 1.732. This formula applies to balanced three-phase systems, where 1.732 (or √3) represents the relationship between line-to-line and line-to-neutral voltages.
Detailed Explanation:
In three-phase systems, Phase-to-Phase Voltage is higher than Phase-to-Neutral Voltage by a factor of √3. Dividing the phase-to-phase voltage by 1.732 gives the phase-to-neutral voltage, which is critical for understanding power distribution in three-phase electrical systems commonly found in data centers.
EPI Data Center Specialist References:
EPI electrical training highlights the importance of knowing these calculations for designing and maintaining balanced power systems, which are essential for stable and efficient data center operations.

質問 # 112
What is the main disadvantage of using a ToR (Top of Rack) design?

A. There will be more switches to manage.
B. You need a separate rack to install all your ToR (Top of Rack) switches.
C. A single ToR (Top of Rack) switch is more expensive than an EoR (End of Row) switch.
D. A ToR (Top of Rack) switch has only optical interfaces.

正解：A

解説：
A Top of Rack (ToR) design typically requires more switches because each rack has its own switch to manage network connections, as opposed to End of Row (EoR) or centralized designs, which consolidate switches. While ToR designs improve cabling efficiency and reduce latency, they also increase the number of switches, thus raising management complexity and potentially increasing capital and operational costs.
Detailed Explanation:
In a ToR setup, each rack's individual switch allows for quick access and streamlined cabling within the rack. However, this setup means more devices to configure, monitor, and maintain, which can increase administrative overhead and network management complexity.
EPI Data Center Specialist References:
EPI documentation notes that ToR designs can improve performance but also lead to increased management needs due to the higher switch count, making them less ideal in environments where simplified network management is prioritized.

質問 # 113
You are changing the design of the fire suppression system for your computer room from a halocarbon fire suppression system into an inert-based fire suppression system. Could you use the same formula to calculate the gas content for the gas?

A. Yes, as long as you change the 'S' factor of the formula to reflect the gas type used.
B. Yes, as long as you take the difference between the net and gross volume into account.
C. Yes, as long as you use the same units of measure, i.e., kg/m³ or lbs/ft³.
D. No, there is a significant difference in the formula for the different types of fire suppression gases.

正解：D

解説：
The formula used to calculate the gas content differs significantly between halocarbon and inert-based fire suppression systems. Halocarbon systems function by absorbing heat, while inert systems work by reducing oxygen levels. Due to these differences in fire suppression mechanisms, distinct formulas are applied, factoring in the specific properties of each gas type and the required concentration levels.
Detailed Explanation:
Halocarbon systems like FM200 require a formula that accounts for the concentration needed for cooling, while inert gases like nitrogen or argon need a formula that calculates the volume based on oxygen displacement. As the design concentration and characteristics of these gases differ, it's essential to use the correct formula specific to the gas type.
EPI Data Center Specialist References:
EPI recommends consulting the specific design requirements and formulas provided by each gas manufacturer when switching fire suppression systems to ensure the correct amount of gas is deployed for effective fire suppression.

質問 # 114
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CDCS EXIN EPI Certified Data Centre Specialistは、技術的な精度の最高水準を高め、認定された主題と専門家のみを使用します。最新の正確なCDCS試験トレントをクライアントに提供し、提供する質問と回答は実際の試験に基づいています。合格率が高く、約98％-100％であることをお約束します。また、CDCSテストブレインダンプは高いヒット率を高め、試験を刺激してCDCS試験の準備を整えることができます。あなたの成功は、CDCS試験問題に縛られています。

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P.S.JPTestKingがGoogle Driveで共有している無料の2025 EXIN CDCSダンプ：https://drive.google.com/open?id=16_b6_aahQRja_8t7MiIs-h4fVA9QdSR2

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CDCS日本語関連対策 & CDCS専門試験

試験の準備方法-信頼的なCDCS日本語関連対策試験-認定するCDCS専門試験

EXIN CDCS 認定試験の出題範囲：

EXIN EPI Certified Data Centre Specialist 認定 CDCS 試験問題 (Q109-Q114):

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