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High-quality CDCS Latest Dumps Questions & Leading Offer in Qualification Exams & Trustworthy EXIN EXIN EPI Certified Data Centre Specialist

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EXIN CDCS Exam Syllabus Topics:

Topic
Details

Topic 1

Data Centre Environmental Considerations and Efficiency: This section evaluates the proficiency of data center professionals in addressing environmental factors and promoting efficiency within data center operations. The target audience, including data center managers and engineers, will be tested on their ability to identify and implement measures that enhance energy efficiency, cooling management, and sustainable practices.

Topic 2

Data Centre Life Cycle and Standards: This section of the exam measures the skills of data center professionals and covers the various stages involved in the life cycle of a data center, from planning and design to implementation and decommissioning.

Topic 3

Designing and Implementing a Data Centre: In this module, the exam assesses the knowledge of Exin data center professionals tasked with the design and implementation of data centers. Candidates will learn the key principles of creating an efficient data center layout, including considerations for scalability, redundancy, and security.

>> CDCS Latest Dumps Questions <<

100% Pass 2026 Newest EXIN CDCS: EXIN EPI Certified Data Centre Specialist Latest Dumps Questions

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EXIN EPI Certified Data Centre Specialist Sample Questions (Q12-Q17):

NEW QUESTION # 12
The temperature in the computer room is increased from 18 °C (64 °F) to 27 °C (81 °F). What is the impact on the amount of gas required to suppress a fire assuming a halocarbon agent?

A. The amount of gas required will be less
B. The change cannot be determined without knowing the change in humidity as well
C. The amount of gas required will not change
D. The amount of gas required will be higher

Answer: D

Explanation:
Design concentrations for halocarbons (e.g., FM-200/HFC-227ea, Novec 1230) increase with ambient temperature; higher temperature # higher minimum extinguishing concentration # more agent mass.
References: NFPA 2001 (Clean Agent Fire Extinguishing Systems) §5.4 & Annex A (temperature correction for halocarbons); ISO 14520-1 §5.4.

NEW QUESTION # 13
The air intake of the mission-critical server at the top of the rack is measuring 25 °C/77 °F.
Is this acceptable?

A. Yes, this is allowed according to the standards and guidelines
B. Depends on the ANSI/TIA-942 Rating the data center needs to comply with
C. As long as it does not exceed the average server room temperature of 38 °C/100 °F
D. No, the temperature needs to be 20 °C/68 °F

Answer: A

Explanation:
An air intake temperature of 25 °C (77 °F) at the top of the rack is acceptable according to data center standards and guidelines, such as those from ASHRAE. This temperature falls within the recommended range for inlet temperatures, which is typically between 18°C (64°F) and 27°C (81°F).
Detailed Explanation:
ASHRAE standards provide guidelines on acceptable temperature ranges for air intake in data centers to balance cooling efficiency and equipment safety. A temperature of 25°C is within the recommended operational range, allowing data centers to optimize energy efficiency while maintaining safe conditions for IT equipment.
EPI Data Center Specialist References:
EPI guidelines align with ASHRAE recommendations for server intake temperatures, confirming that 25°C is within acceptable limits for most mission-critical equipment. This ensures the data center maintains an efficient and reliable environment.

NEW QUESTION # 14
What is the advantage or disadvantage of using MPO (Multi-fiber Push On)/pre-terminated fiber?

A. There is no advantage, as it cannot be used with OM4 optical fiber cables.
B. It is a very flexible system as it can be used for both copper cables and optical fiber cables.
C. There is no advantage, as it creates additional heat load in the data center.
D. It speeds up installation and provides an easy upgrade to transmission speeds up to 40 Gbit/s -100 Gbit
/s.

Answer: D

Explanation:
MPO (Multi-fiber Push On) pre-terminated fiber offers the advantage of quick installation and supports high- speed upgrades up to 40 Gbit/s and 100 Gbit/s. This technology simplifies connections by allowing multiple fibers to be connected in a single plug-and-play module, reducing installation time and making future expansions or upgrades to higher speeds easier.
Detailed Explanation:
MPO connectors consolidate multiple fiber connections into a single interface, which simplifies cable management and reduces installation complexity. This setup is particularly beneficial in data centers where high-speed networks are essential, and where rapid deployment is necessary. MPO pre-terminated fiber also supports the use of OM4 fiber, making it compatible with existing high-performance cabling infrastructure.
EPI Data Center Specialist References:
EPI training highlights that pre-terminated fiber solutions, like MPO, can greatly enhance efficiency in data centers. By reducing installation time and providing scalability for higher transmission speeds, they align with best practices for maintaining flexible and future-ready network infrastructure.

NEW QUESTION # 15
What mainly affects the cooling capacity of a raised floor tile?

A. Type of ICT equipment, location of the air conditioner, pressure under the raised floor, allowable temperature in the hot aisle
B. Percentage of the surface opening, airflow direction of the ICT equipment, temperature difference between the air intake and air exhaust of the ICT equipment, construction material of the tile
C. Percentage of the surface opening, obstruction of the supporting construction, pressure under the raised floor, damper construction
D. Relative humidity in the computer room, temperature of the cold air, pressure under the raised floor, construction material of the tile

Answer: C

Explanation:
The cooling capacity of a raised floor tile is primarily influenced by the percentage of surface opening, the obstruction caused by the supporting construction, the pressure under the raised floor, and the damper construction. These factors dictate how much airflow can pass through the tile and how effectively cool air is distributed to the equipment in the data center.
Detailed Explanation:
The percentage of surface opening on a floor tile affects how much air can flow through, with larger openings allowing more airflow. Supporting structures beneath the floor can obstruct airflow, reducing cooling efficiency. Pressure under the raised floor impacts the velocity and volume of air that moves through the tile. Additionally, if dampers are installed, they control the airflow rate, which can be adjusted to meet specific cooling needs for the area.
EPI Data Center Specialist References:
EPI guidance on airflow management under raised floors emphasizes these factors as critical for effective cooling, especially in high-density areas. Ensuring unobstructed and adequate airflow helps maintain consistent cooling across equipment.

NEW QUESTION # 16
The UPS of a data center, with an ANSI/TIA-942 Rating-4, is installed with the rectifier connected to power feed A and the bypass/reserve line input connected to power feed B.
To which feed will the output of the UPS be synchronized?

A. Feed A
B. Depends on the setting of the UPS, as the UPS can normally be set to either feed
C. Feed B
D. The UPS will not synchronize to any of the feeds but use an internal clock to set the output voltage and frequency

Answer: B

Explanation:
For a UPS system in a Rating-4 data center, the synchronization of output can indeed depend on the specific settings of the UPS. Generally, such systems allow for flexible configuration where the output can be synchronized to either power feed A or B, depending on which feed is preferred for stability or redundancy purposes.
Detailed Explanation:
In dual-feed setups, such as those in high-redundancy data centers, the UPS can be set to synchronize with either feed. This ensures that the UPS maintains continuity in case one feed becomes unstable or fails. The flexibility to choose synchronization to either feed enhances the resiliency and reliability of power supply, which is critical in Tier IV (Rating-4) facilities where uptime is paramount.
EPI Data Center Specialist References:
The EPI Data Center Specialist course underscores the importance of configurable UPS systems in Rating-4 data centers, where redundancy and continuous power are critical. By allowing synchronization to either feed, the UPS can maintain the highest level of reliability, which aligns with the rigorous standards expected in such environments.

NEW QUESTION # 17
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