Key details for this exam, checked against the published exam outline
Each question shows the correct answer and an explanation of why it is right
Which is the most damaging type of floor load?
The most damaging type of floor load for raised floor tiles in a data centre is the rolling load (RL), according to the CDCP Preparation Guide1 and various web sources234. A rolling load is the load that is applied by a moving object, such as a pallet jack, a forklift, or a rack on wheels. A rolling load can cause more stress and fatigue on the raised floor tiles than a static load, such as a concentrated load (CP) or a uniformly distributed load (UDL), because it creates dynamic forces and impacts that can crack, dent, or deform the tiles. Moreover, a rolling load can also damage the pedestals and stringers that support the tiles, and cause the tiles to become loose or misaligned. Therefore, when designing and installing a raised floor system, it is important to consider the maximum rolling load that the tiles can withstand, and to use appropriate materials and methods to enhance the strength and durability of the tiles. For example, some possible solutions include using steel or concrete-filled tiles, reinforcing the edges and corners of the tiles, and using locking or gravity-held systems to secure the tiles.
1: CDCP Preparation Guide, page 23, section 2.4.2 2: Top 5 Considerations - Selecting a Data Center Raised Floor Tile5, page 1, section 1 3: Raised Floor Systems: Explained, Improved and Reinvented6, page 1, section 1 4: Raised Floor Systems: Common Problems and Solutions7, page 1, section 1
Which type of Humidifier is composed of water-filled canister containing electrodes?
A steam canister humidifier is a type of humidifier that uses electricity to heat water in a canister containing electrodes. The water conductivity and the water level determine the amount of current and steam production. The steam canister humidifier is also known as an electrode boiler humidifier or an electrode steam humidifier123.
Looking from within the Computer room, what should the door-swing (opening) direction be?
For safety and emergency egress, doors should swing outwards (towards the exit). This is a common building code and best practice in data centers.
Can Electro Magnetic Fields (EMF) cause data centre failures?
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.
A UPS has an internal battery tester, do you still need to separately test the batteries at block level?
Block-level testing identifies weak or failing individual batteries that may not show up in string-level tests, enhancing overall system reliability.
Exam domains verified against: Official Exin CDCP exam guide, last checked September 2026.
Real estate managers learn to select appropriate sites and buildings while avoiding pitfalls in various components of effective data center and supporting facilities setup. Topics include site selection criteria, structural loading, and regulations.
Facility engineers study uniform, concentrated and rolling load definitions, applicable standards, raised floor guidelines, signal reference grid, grounding of racks, disability act compliance, and suspended ceiling usage and requirements.
Facility engineers cover standard light fixture types, placement of emergency lighting, and emergency power supply systems to ensure adequate visibility and safety throughout the data center.
Sample question from this domain above: Q4
Electrical engineers study power infrastructure layout from generation to rack level, including ATS and STS systems, redundancy levels and techniques, three-phase and single-phase usage, power distribution options, cabling versus bus bar trunking, bonding versus grounding, common mode noise, isolation transformers, distribution boards, form factors, IP-protection grades, and power quality guidelines including real power versus apparent power and load calculations.
Sample question from this domain above: Q3
Electrical engineers learn about static and dynamic UPS systems including selection criteria, operation, and energy efficiency. Topics also cover battery types, correct selection, and testing procedures.
Mechanical engineers study thermo-graphics standards and their application in monitoring and analyzing thermal patterns within data center environments.
Sustainability managers learn about renewable energy factor standards and how to assess and improve the renewable energy usage in data center operations.
Health and safety officers study electrical and magnetic field definitions and units of measurement, sources of EMF, effects of EMF on human health and equipment, (H)EMP standards, and EMF shielding solutions.
Infrastructure engineers cover rack standards, properties and selection criteria, security considerations, and power rail or strip options for mounting and powering equipment.
Mechanical engineers study temperature and humidity recommendations, measurement units and conversion rates, sensible and latent heat definitions, differences between comfort and precision cooling, air conditioner technologies, raised floor versus non-raised floor cooling placement, supplemental cooling options, cold aisle and hot aisle containment, liquid immersion cooling concepts, seasonal thermal energy storage, and water supply systems.
Network engineers learn the importance of structured cabling systems, planning considerations, copper and fiber cable technology and standards, ANSI/TIA-942 cabling hierarchy and recommendations, testing and verification, network redundancy, building-to-building connectivity, and network monitoring system requirements.
Health and safety officers study standards for fire suppression and detection systems, various total flooding fire suppression techniques and systems with their benefits and disadvantages, handheld extinguishers, signage, safety regulations, and best practices.
Sample question from this domain above: Q1
Security managers cover physical security considerations and physical safety considerations to protect the data center facility and its occupants from unauthorized access and harm.
Sample question from this domain above: Q6
Common questions about the exam itself
