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[General] High Pass-Rate New CDCP Dumps & Leader in Certification Exams Materials &

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【General】 High Pass-Rate New CDCP Dumps & Leader in Certification Exams Materials &

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EXIN CDCP Exam Syllabus Topics:
TopicDetails
Topic 1
  • Designing a Scalable Network Infrastructure: It covers ANSI
  • TIA-942 cabling hierarchy, network redundancy, structured Cabling System, and planning considerations.
Topic 2
  • Auxiliary Systems: The topic covers water leak detection systems, data centre monitoring requirements, EMS, BMS and DCIM.
Topic 3
  • Electro Magnetic Fields: The topic deals with effects of EMF on human health and equipment (H)EMP, standards, and EMF shielding solutions.
Topic 4
  • Fire Safety
  • Protection: This topic gives an understanding of standards for fire suppression, detection systems, total flooding fire suppression techniques, and handheld extinguishers. Additionally, it covers Signage and safety.
Topic 5
  • Light: This topic covers light fixture types and placement, emergency lighting, and emergency Power Supply (EPS).
Topic 6
  • Raised Floor
  • Suspended Ceiling: The topic discusses applicable standards, signal reference grid, and disability act and regulations.
Topic 7
  • Cooling Infrastructure: The topic focuses on liquid immersion cooling, supplemental cooling options, sensible and latent heat definitions, and temperature and humidity recommendations.
Topic 8
  • Data Centre Location, Building and Construction: It focuses on appropriate sites and components of an effective data centre and supporting facilities setup.

EXIN Certified Data Centre Professional (CDCP) Sample Questions (Q56-Q61):NEW QUESTION # 56
Which type of copper wire is used for grounding the racks to the SRG?
  • A. Copper cable with plastic insulation (isolation).
  • B. Thick copper cable to create better grounding.
  • C. Braided copper wire or flat copper strip.
  • D. Thin copper cable to keep the cost low for grounding.
Answer: C
Explanation:
The type of copper wire that is used for grounding the racks to the SRG (signal reference grid) in a data centre is braided copper wire or flat copper strip, according to the CDCP Preparation Guide1 and various web sources234. Braided copper wire or flat copper strip are preferred over thin or thick copper cable for grounding purposes, because they havelower impedance and higher surface area, which allow better dissipation of electrical noise and interference. Moreover, braided copper wire or flat copper strip are more flexible and durable than copper cable, which make them easier to install and maintain. Braided copper wire or flat copper strip should be connected to the SRG using exothermic welding or other code-compliant methods, and should follow the relevant standards and codes, such as ANSI/TIA/EIA-607 and NFPA 70.
References:
1: CDCP Preparation Guide, page 23, section 2.4.2 2: Signal Reference Grid | Enterprise Data Center Design and Methodology5, page 1, section 1 3: Grounding System Ground Rod Stacking Installation - Rain Bird6, page 1, section 1 4: SmartRack Copper Bus Grounding Bar - Eaton Website7, page 1, section 1

NEW QUESTION # 57
Starting from which Rating does the requirement of Concurrently Maintainability becomes relevant?
  • A. Rated-4
  • B. Rated-1
  • C. Rated-2
  • D. Rated-3
Answer: D
Explanation:
The requirement of Concurrently Maintainability becomes relevant starting from Rated-3, according to the Uptime Institute Tier Classification System1. Concurrently Maintainability means that any component or system in the data centre can be maintained or replaced without affecting the availability of the IT equipment.
This requires having redundant capacity components and multiple independent distribution paths serving the IT equipment. Rated-3 data centres are designed to achieve Concurrently Maintainability and have a minimum uptime of 99.982%. Rated-4 data centres also have Concurrently Maintainability, but they also have Fault Tolerance, which means that they can withstand any single unplanned event without affecting the availability of the IT equipment. Rated-4 data centres have a minimum uptime of 99.995%. Rated-1 and Rated-2 data centres do not have Concurrently Maintainability, as they have only one distribution path serving the IT equipment and no redundant capacity components. Rated-1 data centres have a minimum uptime of 99.671% and Rated-2 data centres have a minimum uptime of 99.741%.
References:
1: Uptime Institute Tier Classification System2, page 1, section 1 2: Data Center Tiers Classification Explained: (Tier 1, 2, 3, 4)3, page 1, section 1 3: Data Center Tier Standards4, page 1, section 1

NEW QUESTION # 58
What should be considered when using a direct air handler for a data centre?
  • A. Cost of operation as power consumption on these units tend to be higher compared to traditional air conditioning technology.
  • B. Temperature, humidity and contamination of the outdoor environment.
  • C. The availability of three-phase power due to the high power requirements of these air handler units.
  • D. Space available inside the computer rooms as the air handler space requirement for the inside the Computer room is quite large.
Answer: B
Explanation:
Direct air handlers are a type of cooling system that use outdoor air to cool the data centre. They draw in fresh air from outside, filter it, and supply it to the data centre at the desired temperature and humidity level. Direct air handlers can reduce the energy consumption and operating costs of data centres by eliminating the need for mechanical cooling or refrigeration. However, they also have some challenges and limitations that need to be considered. One of the main factors to consider when using direct air handlers for data centres is the temperature, humidity and contamination of the outdoor environment. Depending on the location and climate of the data centre, the outdoor air may not always be suitable for cooling the data centre. For example, if the outdoor air is too hot, too humid, or too polluted, it may not provide enough cooling capacity, or it may damage the IT equipment or cause corrosion. Therefore, direct air handlers need to have sensors and controls to monitor the outdoor air quality and adjust the airflow accordingly. They may also need to have backup cooling systems or supplementary cooling devices, such as evaporative coolers or heat exchangers, to cope with extreme weather conditions or peak loads.
References: Data Center Cooling: A Comprehensive Guide - Dgtl Infra, Carrier Data Center Cooling System
39DC, Dublin Data Center: Rooftop Air Handlers.

NEW QUESTION # 59
Which of statements below is true?
  • A. Single-mode cabling can use both LED and laser as a light source.
  • B. Multi-mode cabling can cross longer distances.
  • C. Multi-mode cabling is more expensive than single-mode cabling.
  • D. Single-mode cabling is more expensive than multi-mode cabling.
Answer: D
Explanation:
Single-mode cabling and multi-mode cabling are two types of fiber optic cables that differ in their core diameter, wavelength, light source, bandwidth, distance, and cost. Single-mode cabling has a smaller core diameter and uses a laser as a light source, which enables it to transmit data over longer distances and higher bandwidths. However, single-mode cabling is also more expensive than multi-mode cabling, because it requires more precise alignmentand splicing, and more costly light sources and connectors. Multi-mode cabling has a larger core diameter and uses LEDs or VCSELs as a light source, which makes it cheaper and easier to install and maintain. However, multi-mode cabling also has a shorter distance and lower bandwidth than single-mode cabling, because it suffers from more modal dispersion and attenuation.
References:
1: Data Center Cabling: Single Mode vs Multimode Fibers2, page 1, section 1 3: Single Mode vs Multimode Fiber Cable Guide4, page 1, section 1 5: Single-Mode vs. Multi-Mode Fiber Cables: Explained6, page 1, section 1 7: 2 Types of Fiber Optic Cable: Single Mode vs. Multimode Fiber8, page 1, section 1

NEW QUESTION # 60
When dealing with glass door racks, cod air is injected into the rack from:
  • A. The bottom of the rack.
  • B. The rear door in a downflow direction.
  • C. The front door in a downflow direction.
  • D. The top of the rack through the fans and vents mounted inside the rack.
Answer: B

NEW QUESTION # 61
......
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