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Authoritative CDCP–100% Free Cert Exam | CDCP New Study Guide

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CDCP New Study Guide | CDCP Practice Online

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EXIN CDCP Exam Syllabus Topics:

Topic
Details

Topic 1

Raised Floor
Suspended Ceiling: The topic discusses applicable standards, signal reference grid, and disability act and regulations.

Topic 2

Physical Security and Safety: Sub-topics are about physical security considerations and physical safety considerations.

Topic 3

Equipment Racks: It discusses power rail
strip options, security considerations, and rack standards, properties and selection criteria.

Topic 4

Data Centre Location, Building and Construction: It focuses on appropriate sites and components of an effective data centre and supporting facilities setup.

Topic 5

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 6

Auxiliary Systems: The topic covers water leak detection systems, data centre monitoring requirements, EMS, BMS and DCIM.

Topic 7

Designing a Scalable Network Infrastructure: It covers ANSI
TIA-942 cabling hierarchy, network redundancy, structured Cabling System, and planning considerations.

EXIN Certified Data Centre Professional (CDCP) Sample Questions (Q67-Q72):

NEW QUESTION # 67
Which type of copper wire is used for grounding the racks to the SRG?

A. Thin copper cable to keep the cost low for grounding.
B. Braided copper wire or flat copper strip.
C. Copper cable with plastic insulation (isolation).
D. Thick copper cable to create better grounding.

Answer: B

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 # 68
What is the minimum clearance space required below water sprinkler heads and nozzles of gas-based fire suppression systems?

A. 46 cm / 18 inches
B. 120 cm / 47 inches
C. 60 cm / 24 inches
D. 64 cm / 25 inches

Answer: A

Explanation:
The minimum clearance space required below water sprinkler heads and nozzles of gas-based fire suppression systems is 46 cm / 18 inches, according to the CDCP Preparation Guide1 and OSHA regulation 29 CFR
1910.159 © (10)2. This clearance space is necessary to ensure that the sprinkler spray or gas discharge can reach the fire and cover the protected area effectively. Any material or obstruction below this clearance space can interfere with the sprinkler or gas distribution and reduce the fire suppression performance. Therefore, building owners and managers should ensure that all storage and objects in the data centre are kept below this clearance space, and that the clearance space is maintained at all times.
References:
1: CDCP Preparation Guide, page 24, section 2.4.3 2: Clarification of OSHA regulation 29 CFR
1910.159©(10), Sprinkler ...3, page 1, section 1

NEW QUESTION # 69
What is the primary reason to install a monitoring system in the data centre?

A. To implement automated change management
B. To be able to collect data for capacity planning
C. To create a proper asset database
D. To notice abnormalities early so that actions can be taken to avoid disasters

Answer: D

Explanation:
The primary reason to install a monitoring system in the data centre is to notice abnormalities early so that actions can be taken to avoid disasters, according to the CDCP Preparation Guide1 and various web sources234. A monitoring system is a system that collects and analyzes data about the power, cooling, environmental, and security conditions in the data centre, and alerts the operators or managers about any issues or threats that may affect the performance, availability, or reliability of the data centre. A monitoring system can help to prevent or minimize the impact of disasters, such as power outages, fire, water damage, overheating, equipment failure, or cyberattacks, by providing timely and accurate information that enables fast and corrective action. A monitoring system can also help to improve the energy efficiency, capacity planning, and asset management of the data centre, by providing useful insights and trends that support informed decision making.
References:
1: CDCP Preparation Guide, page 21, section 2.3.5 2: Improving Data Center Management and Monitoring5, page 1, section 1 3: Guide to Data Center Monitoring6, page 1, section 1 4: Why Data Center Monitoring is Essential7, page 1, section 1

NEW QUESTION # 70
Can Electro Magnetic Fields (EMF) cause data centre failures?

A. Yes, high levels of EMF can cause data centre failures.
B. Yes, but only EMF caused by lightning strikes.
C. No, only power issues will cause data centre failures.
D. No, only cooling issues will cause data centre failures.

Answer: A

Explanation:
According to the EPI Data Centre Training Framework, EMF is a form of electromagnetic interference (EMI) that can disrupt or damage the normal operation of electronic devices, such as servers, network cables, and IT equipment1. High levels of EMF can be generated by power equipment, cell phones, microwaves, TV and radio signals, etc., and can cause data corruption, data loss, system malfunction, and crashes23. Therefore, EMF can cause data centre failures and affect the availability, performance, and security of the data centre. To prevent or mitigate EMF, data centres should follow the best practices for data centre design, layout, cabling, grounding, shielding, and testing14.
References: 1: EPI Data Centre Training Framework, Module 5: Power, Section 5.4.1: Electromagnetic Interference, Page 5-34 2: EMI in the Data Center: To Shield Or Not ToShield2 3: Electromagnetic Interference in Data Centers: Risks Involved and Its Impact on Information Security4 4: Data Center Electromagnetic Interference and Tier Standards1

NEW QUESTION # 71
The expected time to Recover/Repair from a system from a failure is defined as.

A. MLBF
B. MTBF
C. MCBF
D. MTTR

Answer: D

Explanation:
The expected time to recover or repair from a system from a failure is defined as MTTR (mean time to recovery or mean time to repair). MTTR is the average time it takes to restore a system or product to its normal operation after a failure. MTTR includes the time spent on detecting, diagnosing, and fixing the problem. MTTR is an important metric for measuring the reliability and availability of a system or product, as well as the efficiency and effectiveness of the incident management process. A lower MTTR indicates a faster and more reliable recovery or repair process.
References:
*EPI Data Centre Professional (CDCP®) Preparation Guide, page 17
*What is MTTR? | IBM
*Explained: All Meanings of MTTR and Other Incident Metrics

NEW QUESTION # 72
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