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Die Prüfungsmaterialien von EXIN CDCS Zertifizierungsprüfung von unserem ITZert existieren in der Form von PDF und Stimulationssoftware, in der alle Testaufgaben und Antworten von EXIN CDCS Zertifizierung enthalten sind. Inhalte dieser Lehrbücher sind umfassend und zuversichtlich. Hoffentlich kann ITZert Ihr bester Hilfer bei der Vorbereitung der EXIN CDCS Zertifizierungsprüfung werden. Falls Sie leider die CDCS Prüfung nicht bestehen, bitte machen Sie keine Sorge, denn wir werden alle Ihre Einkaufsgebühren bedingungslos zurückgeben.

EXIN CDCS Prüfungsplan:

ThemaEinzelheiten
Thema 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.
Thema 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.
Thema 3
  • 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.

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CDCS Deutsch, CDCS Examengine

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EXIN EPI Certified Data Centre Specialist CDCS Prüfungsfragen mit Lösungen (Q21-Q26):

21. Frage
A 5kW (power consumption) server keeps crashing with the message 'temperature too high'.
The intake temperature is measured at 25 °C/77 °F and a relative humidity (RH) level of 50%.
The exhaust temperature is 29 °C/84 °F and 45% RH.
The raised floor is providing an adequate amount of CFM/CMH at a reasonable velocity.
The pressure under the raised floor is approximately 25 Pa/0.1 inch H#O.
Analyze the situation and indicate what the most likely cause is for this server to crash.

Antwort: C

Begründung:
The server's repeated overheating despite adequate intake and exhaust temperatures suggests that dust buildup inside the server may be impeding heat transfer. Dust accumulation can obstruct airflow within the server, insulate components, and disrupt the convection-based cooling systems that regulate internal temperatures, leading to overheating and potential hardware failures.
Detailed Explanation:
While the intake and exhaust temperatures appear within acceptable ranges, internal dust can reduce airflow and impede cooling efficiency, causing internal components to overheat despite seemingly normal ambient conditions. Regular cleaning and maintenance are critical for preventing dust-related issues, especially in high- powered equipment like a 5kW server.
EPI Data Center Specialist References:
EPI emphasizes regular maintenance to prevent dust buildup in data center equipment. Dust can significantly impact cooling efficiency and lead to overheating, which underlines the importance of routine cleaning for optimal server performance.


22. Frage
In order to save energy, you are going to install an automated system to switch off lights. What should be taken into consideration when installing such a system?

Antwort: A


23. Frage
A data center is in an area where utility power is highly available-only a few outages per year, typically <1 hour per event and <50 hours/year not available. What type of generators should be installed?

Antwort: C

Begründung:
With infrequent/short outages, Standby (Emergency Standby Power, ESP) generators are appropriate; N+1 mitigates failure-to-start risk and supports concurrently maintainable designs.
References: ISO 8528-1 (generator rating definitions: ESP/PRP/Continuous), ANSI/TIA-942-B §6.2 (electrical redundancy).


24. Frage
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?

Antwort: A

Begründung:
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.


25. Frage
What is the calculation for the desired attenuation factor for shielding material?

Antwort: D

Begründung:
The attenuation factor for shielding material is typically calculated using the formula A = 20 log (R / M). This equation provides the attenuation in decibels (dB), where R represents the measured electromagnetic field strength, and M is the maximum acceptable level. The logarithmic scale helps quantify how much the shielding reduces EMF levels relative to the maximum allowable value.
Detailed Explanation:
This formula calculates attenuation by comparing the measured value with the acceptable threshold, with the result expressed in decibels. A higher attenuation indicates more effective shielding material, essential for environments requiring robust EMF management.
EPI Data Center Specialist References:
EPI standards include the use of logarithmic formulas to evaluate attenuation levels, ensuring that shielding materials provide adequate reduction in EMF to protect sensitive equipment within data centers.


26. Frage
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