CDCS EXAM QUESTIONS - EXIN EPI CERTIFIED DATA CENTRE SPECIALIST STUDY QUESTION & CDCS TEST GUIDE

CDCS Exam Questions - EXIN EPI Certified Data Centre Specialist Study Question & CDCS Test Guide

CDCS Exam Questions - EXIN EPI Certified Data Centre Specialist Study Question & CDCS Test Guide

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Tags: CDCS Test Voucher, Free CDCS Brain Dumps, CDCS Test Certification Cost, CDCS Exam Price, Test CDCS Pass4sure

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EXIN CDCS Exam Syllabus Topics:

TopicDetails
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
  • 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.
Topic 3
  • 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.

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Pass Guaranteed CDCS - EXIN EPI Certified Data Centre Specialist Pass-Sure Test Voucher

Exam4Free EXIN EPI Certified Data Centre Specialist (CDCS) practice test material covers all the key topics and areas of knowledge necessary to master the EXIN Certification Exam. Experienced industry professionals design the CDCS exam questions and are regularly updated to reflect the latest changes in the EXIN EPI Certified Data Centre Specialist (CDCS) exam. In addition, Exam4Free offers three different formats of practice material which are discussed below.

EXIN EPI Certified Data Centre Specialist Sample Questions (Q19-Q24):

NEW QUESTION # 19
When shielding material reaches its saturation point, what will be the impact?

  • A. The shielding material will reach its optimal shielding performance state.
  • B. The shielding material will no longer be able to attenuate (reduce) additional EMF.
  • C. The shielding material will reach its maximum electrically charged state.
  • D. The shielding material will increase its permeability factor.

Answer: B

Explanation:
When shielding material reaches its saturation point, it can no longer effectively attenuate additional EMF. At saturation, the material's ability to absorb or redirect magnetic fields is exhausted, meaning it cannot provide further shielding beyond this point. Additional EMF exposure would pass through the material without significant reduction.
Detailed Explanation:
Saturation occurs when the material's magnetic domains are fully aligned with the magnetic field, leaving no capacity to absorb or deflect further EMF. This can happen with high EMF levels, beyond the material's design limits, resulting in a breakdown of shielding effectiveness.
EPI Data Center Specialist References:
EPI guidelines on EMF management indicate that selecting appropriate shielding materials with sufficient capacity is essential to prevent saturation and ensure continuous protection. Saturation limits should be considered during design to avoid compromised shielding performance.


NEW QUESTION # 20
You are working on the design of a new facility. The electrical riser of the building with high current power is located close to the area where sensitive IT equipment in the computer room will be located.
What should you recommend to reduce the amount of EMF coming from the electrical riser?

  • A. Install bus bar trunking
  • B. Install three-phase power cabling based on a combined cable (e.g. XLPE etc.)
  • C. Install single-phase power cabling
  • D. Install three-phase power cabling based on three individual core wires

Answer: B

Explanation:
To reduce Electromagnetic Fields (EMF) emanating from the electrical riser near sensitive IT equipment, three-phase power cabling in a combined cable (such as XLPE) is effective. Combined cabling helps reduce EMF by keeping the conductors tightly packed, which minimizes magnetic fields generated by current flow. Cables like XLPE (cross-linked polyethylene) also offer better insulation, which helps mitigate EMF interference with nearby IT equipment.
Detailed Explanation:
Using a combined three-phase cable reduces EMF because the magnetic fields generated by each phase tend to cancel each other out when in close proximity. This arrangement helps reduce the overall magnetic field strength. In addition, XLPE and similar materials provide good insulation, making them a preferred choice for reducing EMF emissions around sensitive equipment.
EPI Data Center Specialist References:
EPI data center best practices recommend mitigating EMF interference through combined cabling arrangements, especially near areas where sensitive IT equipment is located. Reducing EMF is crucial to maintaining equipment reliability and ensuring compliance with safety standards.


NEW QUESTION # 21
You are installing new copper cabling.
What is the advantage or disadvantage of choosing pre-terminated category 6 or 6A cabling?

  • A. Pre-terminated cabling is already factory tested and saves installation time.
  • B. Pre-terminated cabling has a higher fire rating.
  • C. Pre-terminated cabling makes ordering of the copper cables more complex, as you need to know in advance on which side the male or female connector needs to be located.
  • D. There is no advantage as most new copper cabling network designs are based on category 3 or 5E for horizontal cabling.

Answer: A

Explanation:
Choosing pre-terminated category 6 or 6A cabling provides several advantages, primarily related to time savings and reliability. Since pre-terminated cables are factory tested, they ensure consistent quality and performance, reducing the need for additional testing during installation. This makes installation faster and more efficient, which can significantly reduce labor costs and deployment times.
Detailed Explanation:
Pre-terminated cabling systems are manufactured and tested in controlled environments, which ensures they meet industry standards for performance. This factory testing process minimizes the likelihood of faults, reducing the need for troubleshooting and retesting on-site. Moreover, pre-terminated solutions can help to streamline installations because they eliminate the need for on-site terminations, which can be time-consuming and require skilled labor.
This is especially beneficial for data centers, where rapid deployment and minimizing potential points of failure are critical to maintaining uptime. However, it is important to note that pre-terminated cables require accurate planning, as lengths and connector configurations must be predetermined.
EPI Data Center Specialist References:
According to EPI Data Center Specialist guidelines, pre-terminated cabling is advantageous in data center environments due to reduced installation time and enhanced reliability from factory testing. These attributes align with best practices for efficient data center management, where maintaining performance and minimizing downtime are priorities.


NEW QUESTION # 22
When installing a raised floor, can we use a spirit level bar to level the floor?

  • A. No, because using a spirit level bar, a measurement error will be transferred from pedestal to pedestal.
  • B. Yes, but spirit level bars can only be used in the vertical plane.
  • C. Yes, spirit level bars can be used as long as their length is longer than 60 cm/2 ft (the size of a typical raised floor tile).
  • D. Yes, using a spirit level bar for raised floors higher than 40 cm is preferred.

Answer: A

Explanation:
A spirit level bar should not be used for leveling a raised floor, as measurement errors are likely to propagate from one pedestal to the next. Spirit levels can introduce cumulative errors, leading to uneven floors, particularly in large installations where precise leveling is critical.
Detailed Explanation:
Using a laser level or a precision leveling device is recommended to ensure accuracy across all floor tiles. Spirit levels, while adequate for short spans, can transfer small inaccuracies from one pedestal to another, which can cause alignment issues and floor instability over time.
EPI Data Center Specialist References:
EPI data center guidelines discourage the use of spirit levels for raised floors. Instead, they advocate for precision tools like laser levels that ensure consistency and accuracy in large-scale installations, aligning with best practices for raised floor construction.


NEW QUESTION # 23
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. The UPS will not synchronize to any of the feeds but use an internal clock to set the output voltage and frequency
  • B. Depends on the setting of the UPS, as the UPS can normally be set to either feed
  • C. Feed B
  • D. Feed A

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 # 24
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