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EXIN CDCP Exam Syllabus Topics:

Topic	Details
Topic 1	Designing a Scalable Network Infrastructure: It covers ANSI TIA-942 cabling hierarchy, network redundancy, structured Cabling System, and planning considerations.
Topic 2	Data Centre Location, Building and Construction: It focuses on appropriate sites and components of an effective data centre and supporting facilities setup.
Topic 3	Auxiliary Systems: The topic covers water leak detection systems, data centre monitoring requirements, EMS, BMS and DCIM.
Topic 4	Electro Magnetic Fields: The topic deals with effects of EMF on human health and equipment (H)EMP, standards, and EMF shielding solutions.
Topic 5	Raised Floor Suspended Ceiling: The topic discusses applicable standards, signal reference grid, and disability act and regulations.
Topic 6	Power Infrastructure: It focuses ATS and STS systems, redundancy levels and techniques, static and dynamic UPS systems, battery types, thermo-graphics, and renewable energy factor (REF).
Topic 7	Physical Security and Safety: Sub-topics are about physical security considerations and physical safety considerations.
Topic 8	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 9	Water Supply: This topic is all about water supply techniques and application areas.
Topic 10	Cooling Infrastructure: The topic focuses on liquid immersion cooling, supplemental cooling options, sensible and latent heat definitions, and temperature and humidity recommendations.
Topic 11	Light: This topic covers light fixture types and placement, emergency lighting, and emergency Power Supply (EPS).

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EXIN Certified Data Centre Professional (CDCP) Sample Questions (Q50-Q55):

NEW QUESTION # 50
Which type of Fire Detection Device is recommended for protecting a Data Center?

A. Flame detector
B. None of the above
C. Smoke detector
D. Heat detector

Answer: C

Explanation:
According to the CDCP Preparation Guide, smoke detectors are the most common type of fire detection devices used in data centers, as they can detect a fire in its early stages and provide early warning to the occupants and authorities. Smoke detectors can be either spot-type or air-aspirating, depending on the design and goals of the data center. Spot-type detectors are inexpensive and simple, but may cause activation delay and false alarms. Air-aspirating detectors are more sensitive and reliable, but may require more maintenance and installation costs. Both types of detectors should be installed in accordance with the relevant standards and codes, such as NFPA 72 and EN 54.
References: CDCP Preparation Guide, page 30-31. Evaluating Fire Detection Options For Data Centers.
Fire Detection and Suppression Systems in a Data Center.

NEW QUESTION # 51
The expected time to Recover/Repair from a system from a failure is defined as.

A. MLBF
B. MCBF
C. MTBF
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 # 52
Does shielded twisted pair network cabling provide protection against EMF from power cables?

A. No, the shielding for twisted pair network cabling is for physical protection against vandalism and accidental cutting of the cable.
B. Yes, but only if the power cable is placed in a tre-foil cable arrangement.
C. Yes, as the shielding for twisted pair network cabling is specifically design for low frequency EMF protection.
D. No, the shielding is designed for alien cross-talk between network cables, it provides no or little protection against low frequency EMF.

Answer: D

Explanation:
Shielded twisted pair cables (STP) are Ethernet cables that feature additional protection against electromagnetic interference from external sources, such as radio waves, microwaves, or other network cables.
This is achieved by wrapping each pair of wires with a conductive shield, usually made of foil or braided wire, and then enclosing the entire cable with another shield layer. However, this shielding is not effective against low frequency electromagnetic fields (EMF) from power cables, which can induce currents and voltages in the network cables and cause signal distortion or data loss. Low frequency EMF can only be reduced by increasing the distance between the power and network cables, or by using a tre-foil cable arrangement, which is a special configuration of three power cables twisted together to cancel out the magnetic fields they generate.
References: STP Cable: Your Shield Against Network Disturbances; What is Shielded Twisted Pair Cable? - Advantages, Disadvantages; Shielded vs. Unshielded Cables: What's the Difference? - Cable Matters.

NEW QUESTION # 53
Which of statements below is true?

A. Single-mode cabling is more expensive than multi-mode cabling.
B. Single-mode cabling can use both LED and laser as a light source.
C. Multi-mode cabling is more expensive than single-mode cabling.
D. Multi-mode cabling can cross longer distances.

Answer: A

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 # 54
Can Electro Magnetic Fields (EMF) cause data centre failures?

A. Yes, high levels of EMF can cause data centre failures.
B. No, only cooling issues will cause data centre failures.
C. Yes, but only EMF caused by lightning strikes.
D. No, only power 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 # 55
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Printable CDCP PDF, CDCP Test Practice

EXIN CDCP Exam Syllabus Topics:

Quiz Printable CDCP PDF & Certified Data Centre Professional (CDCP) Unparalleled Test Practice

EXIN Certified Data Centre Professional (CDCP) Sample Questions (Q50-Q55):