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[General] Super CDCS Preparation Quiz represents you the most precise Exam Dumps - ExamPre

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【General】 Super CDCS Preparation Quiz represents you the most precise Exam Dumps - ExamPre

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EXIN CDCS Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 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.

Exam CDCS Questions Answers - EXIN First-grade Instant CDCS AccessThe CDCS desktop practice exam software and CDCS web-based practice test is very beneficial for the applicants in their preparation because these EXIN CDCS practice exam provides them with the EXIN CDCS Actual Test environment. ExamPrepAway offers EXIN CDCS practice tests that are customizable. It means takers can change durations and questions as per their learning needs.
EXIN EPI Certified Data Centre Specialist Sample Questions (Q23-Q28):NEW QUESTION # 23
Smoke sensors need to be tested to ensure that they pick up a potential fire in the data center.
What should you recommend?
  • A. Test the sensors by injecting smoke or simulated smoke directly into the sensor
  • B. Press the self-test button on each sensor in the data center
  • C. Test the sensors according to the vendor specification
  • D. Inject smoke at the floor level
Answer: C
Explanation:
Testing smoke sensors should be conducted according to the vendor specifications to ensure compliance with safety standards and accurate results. Vendors provide specific testing procedures to account for the sensor type, environment, and operational characteristics, ensuring that tests do not damage the equipment or provide false results.
Detailed Explanation:
Smoke sensors can vary by type and sensitivity, so following the vendor's recommended testing procedure ensures the sensors function correctly without risking sensor damage. Injecting smoke or using a self-test might be insufficient or could lead to inaccurate assessments if they do not align with the vendor's testing protocol.
EPI Data Center Specialist References:
EPI recommends adhering to manufacturer specifications for testing critical safety equipment, ensuring that tests reflect real-world conditions without compromising sensor integrity or reliability.

NEW QUESTION # 24
A computer room with raised floor and hot/cold aisles is designed. What is the minimum required distance between the air-conditioner outlet and the first rack?
  • A. 60 cm (2 ft)
  • B. None
  • C. 180 cm (6 ft)
  • D. 120 cm (4 ft)
Answer: D
Explanation:
To ensure uniform air distribution, there must be a buffer zone between CRAC/CRAH discharge and the first row of racks. Industry best practice (ASHRAE & TIA-942) specifies at least 1.2 m (4 ft).
* Less than 1.2 m risks air velocity hotspots and turbulence, disrupting cold aisle containment.
* More than 1.8 m wastes valuable floor space without added benefit.
Thus, 120 cm is the recommended minimum.
References: ANSI/TIA-942-B §6.5.3 (CRAC placement), ASHRAE TC 9.9 Thermal Guidelines.

NEW QUESTION # 25
What is the redundancy setup shown in the diagram?
  • A. N+N+N
  • B. 2+N+1
  • C. N+2
  • D. 2(N+1)
Answer: C
Explanation:
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.

NEW QUESTION # 26
The logical overview of the data center looks as pictured. To what TIA-942 Rating is this design made based on electrical only?

  • A. Rating - 4
  • B. Rating - 1
  • C. Rating - 3
  • D. Rating - 2
Answer: A
Explanation:
The electrical design shown in the diagrams represents a TIA-942 Rating-4 configuration. This design includes full redundancy and fault tolerance, as demonstrated by the dual power distribution paths from the utility supply to the critical loads. Each power distribution path is equipped with its own UPS, ensuring that the ICT equipment and mechanical equipment have uninterrupted power in case of any single point of failure.
Detailed Explanation:
A Rating-4 data center requires two independent power paths that are fully redundant and capable of supporting the load independently. In the diagrams:
* There are dual feeds from the utility supply, each going through separate transfer switches and power distribution paths.
* Both paths have backup sources (+1) and serve critical components through separate UPS systems, providing a completely redundant setup.
* The design also includes redundant paths to the mechanical equipment and ICT equipment, which further indicates the fault-tolerant characteristics of a Rating-4 infrastructure.
This setup allows for concurrent maintainability and ensures that no single failure in power distribution or UPS can impact the data center's operation, which is characteristic of the highest Tier/Rated-4 classification.
EPI Data Center Specialist References:
EPI guidelines confirm that TIA-942 Rating-4 requires full redundancy and fault tolerance for electrical infrastructure, ensuring continuous operation even during maintenance or failure events. This design meets all those requirements, thus aligning with Rating-4 standards.

NEW QUESTION # 27
What is the preferred way to measure dust levels in the computer room?
  • A. With test coupons
  • B. By opening up equipment for inspection
  • C. With an air particle hand-held analyzer
  • D. By taking dust samples under the raised floor
Answer: A
Explanation:
ASHRAE TC 9.9 recommends using dust deposition coupons (also called reactivity coupons) to measure particulate contamination over time. These are small, standardized metallic plates exposed to the air that collect dust and contaminants. After a set period, they are analyzed for chemical corrosion rates and particulate buildup.
* Option A (handheld analyzers) gives spot counts of airborne particles but does not capture long-term corrosive deposition risk.
* Option C only samples underfloor plenum dust, not actual IT environment contamination.
* Option D (opening equipment) is invasive and risks voiding warranties.
Coupons provide standardized, passive, and reliable monitoring of contamination over months, making them the preferred method.
References: ASHRAE TC 9.9 "Particulate and Gaseous Contamination Guidelines," IEC 60721-3-3.

NEW QUESTION # 28
......
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