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EXIN CDCP Exam Syllabus Topics:
Topic
Details
Topic 1
- Physical Security and Safety: Sub-topics are about physical security considerations and physical safety considerations.
Topic 2
- Designing a Scalable Network Infrastructure: It covers ANSI
- TIA-942 cabling hierarchy, network redundancy, structured Cabling System, and planning considerations.
Topic 3
- 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 4
- Light: This topic covers light fixture types and placement, emergency lighting, and emergency Power Supply (EPS).
Topic 5
- Auxiliary Systems: The topic covers water leak detection systems, data centre monitoring requirements, EMS, BMS and DCIM.
Topic 6
- Water Supply: This topic is all about water supply techniques and application areas.
Topic 7
- Data Centre Location, Building and Construction: It focuses on appropriate sites and components of an effective data centre and supporting facilities setup.
Topic 8
- 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 9
- Cooling Infrastructure: The topic focuses on liquid immersion cooling, supplemental cooling options, sensible and latent heat definitions, and temperature and humidity recommendations.
Topic 10
- Raised Floor
- Suspended Ceiling: The topic discusses applicable standards, signal reference grid, and disability act and regulations.
Topic 11
- Equipment Racks: It discusses power rail
- strip options, security considerations, and rack standards, properties and selection criteria.
EXIN Certified Data Centre Professional (CDCP) Sample Questions (Q55-Q60):
NEW QUESTION # 55
What should be considered when implementing hot- or cold-aisle containment in an existing computer room?
- A. The delta-T of the equipment will increase too much causing reliability issues.
- B. It creates potential issues with the existing fire suppression system(s).
- C. Equipment will get too hot at the rear (back) of the rack potentially resulting in more ICT hardware failures.
- D. It will be more difficult to install power and network cabling in the contained area.
Answer: B
Explanation:
Hot- or cold-aisle containment is a strategy to improve the cooling efficiency and reduce the energy consumption of data centers by isolating the hot exhaust air from the cold supply air. However, implementing this strategy in an existing computer room may create potential issues with the existing fire suppression system (s), such as:
*The containment barriers may interfere with the distribution and activation of the fire suppression agents, such as water, gas, or aerosol, and reduce their effectiveness in extinguishing a fire.
*The containment barriers may create pockets of high temperature and pressure that could damage the equipment or the containment structure itself in the event of a fire.
*The containment barriers may obstruct the access and visibility of the fire detection and alarm devices, such as smoke detectors, heat sensors, or manual call points, and delay the response time of the fire suppression system(s).
*The containment barriers may violate the local fire codes and regulations that specify the minimum clearance and ventilation requirements for the data center.
Therefore, when implementing hot- or cold-aisle containment in an existing computer room, it is important to consider the impact on the existing fire suppression system(s) and take appropriate measures to ensure the safety and compliance of the data center, such as:
*Consulting with the fire authorities and the fire suppression system vendor to assess the compatibility and suitability of the containment solution with the existing fire suppression system(s).
*Modifying or upgrading the existing fire suppression system(s) to accommodate the containment solution, such as relocating or adding fire suppression devices, adjusting the discharge rate and pressure, or installing a secondary fire suppression system within the contained area.
*Installing fire-rated containment barriers that can withstand high temperatures and resist the spread of fire and smoke, and that have self-closing or automatic release mechanisms in case of a fire.
*Installing fire detection and alarm devices within the contained area and ensuring their proper integration and communication with the existing fire suppression system(s).
*Conducting regular testing and maintenance of the fire suppression system(s) and the containment solution to ensure their functionality and reliability.
References: EPI Data Centre Framework, Module 4: Fire Protection, page 10-11. EPI Data Centre Professional (CDCP) Reference Materials, page 66-67. 1, 2, 3.
NEW QUESTION # 56
The temperature and humidity values indicated on the display of the Computer room air conditioner unit are the values measured at which point?
- A. It is the value measured at the exhaust (outlet) of the air conditioner.
- B. It is the value measured at the front of the rack of the aisle the air conditioner is situated.
- C. It is the average value between the intake and exhaust (outlet) of the air conditioner.
- D. It is the value measured at the intake of the air conditioner.
Answer: D
Explanation:
According to the IBM document on temperature and humidity design criteria1, the temperature and humidity values indicated on the display of the computer room air conditioner unit are the values measured at the intake of the air conditioner. This is because the intake is where the air conditioner draws the air from the computer room and cools and dehumidifies it before sending it back to the computer room. The display shows the current conditions of the computer room air, which are used to adjust the cooling and dehumidifying operations of the air conditioner. The values measured at the exhaust (outlet) of the air conditioner are not displayed, as they are not relevant for the computer room environment. The values measured at the front of the rack of the aisle the air conditioner is situated are also not displayed, as they may vary depending on the distance and location of the rack. The average value between the intake and exhaust (outlet) of the air conditioner is not displayed, as it does not reflect the actual conditions of the computer room air or the air conditioner performance.
References: 1: Temperature and humidity design criteria - IBM
NEW QUESTION # 57
What is a requirement of an FM200 (HFC-227) installation?
- A. It is a high-pressure gas; therefore nozzles must be mounted with two brackets.
- B. Install the gas containers (tanks) close to the data centre.
- C. Drainage system under the raised floor.
- D. Install pre-action sprinklers in the same room as the FM200.
Answer: A
Explanation:
FM200 (HFC-227) is a clean agent fire suppression system that uses a high-pressure gas to extinguish fires by reducing the oxygen concentration and absorbing the heat. FM200 is stored in cylinders at pressures of up to
42 bar (600 psi) and is released through nozzles into the protected area. Because of the high pressure, the nozzles must be mounted with two brackets to prevent them from moving or breaking during discharge. The brackets must be securely attached to the ceiling or wall and aligned with the nozzle outlet. The nozzle outlet must also be free of any obstructions that could affect the discharge pattern or distribution.
References:
*EPI Data Centre Professional (CDCP®) Preparation Guide, page 32
*FSL-227 Technical Manual, page 10
*Firetrace ILP Manual, page 21
NEW QUESTION # 58
What is a requirement for both CCTV cameras and recording equipment?
- A. Both must be placed inside the Computer room.
- B. They must be of the same brand.
- C. Both must be connected to a UPS.
- D. CCTV cameras can only be used to cover the outside of the building, where as the recording equipment needs to be located in a secure area.
Answer: C
Explanation:
A UPS (Uninterruptible Power Supply) is a device that provides backup power to electrical equipment in case of a power outage or fluctuation. A UPS is essential for both CCTV cameras and recording equipment, as it ensures that the surveillance system can continue to operate and record without interruption or data loss. A UPS can also protect the CCTV cameras and recording equipment from damage caused by power surges or spikes. Connecting both CCTV cameras and recording equipment to a UPS is a requirement for data centres, as it enhances the security and reliability of the surveillance system.
References: Technical Specification - GeM, [What is a UPS? | Uninterruptible Power Supply | APC by Schneider Electric], [Why You Need a UPS for Your CCTV System - CCTV Camera World].
NEW QUESTION # 59
Which design consideration should be implemented with an Inergen-based fire suppression system?
- A. Install protective covers around the nozzles to avoid accidental gas dumps.
- B. Install the gas containers (tanks) close to the data centre.
- C. To use Inergen only for fires which are not related to electrical power.
- D. Pressure relief valves are required in the room that needs protection.
Answer: D
Explanation:
A design consideration that should be implemented with an Inergen-based fire suppression system is to install pressure relief valves in the room that needs protection. Inergen is a clean agent fire suppression system that uses a mixture of inert gases (nitrogen, argon, and carbon dioxide) to displace the oxygen in the room and extinguish the fire. However, when Inergen is released into the room, it creates a sudden increase in pressure, which can damage the walls, doors, windows, and ceilings of the room. To prevent this, pressure relief valves are required to vent the excess pressure to the outside and maintain a safe pressure level inside the room.
Pressure relief valves should be designed and installed in accordance with the relevant standards and codes, such as NFPA 2001 and ISO 14520.
References:
1: CDCP Preparation Guide, page 24, section 2.4.3 2: Data Center Fire Suppression Systems Bring Unexpected Risk3, page 1, section 1 4: Inergen from Fire Eater - CSC Datacenter5, page 1, section 1 6:
Inergen Fire Suppression System7, page 1, section 1
NEW QUESTION # 60
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