CDCP Cheat Sheet 2026

The 30 highest-yield CDCP facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What are the most detrimental effects of having an excessive number of perforated tiles in a datacenter? → It reduces the overall underfloor pressure, while also reducing overall cooling impact
2. What is the main mechanical distinction between computer room air handlers (CRAHs) and CRACs? → CRACs have refrigeration compressors as part of their primary system
3. Which of the following businesses rent or lease their data center capabilities to other businesses? → Both a and b
4. According to the NFPA 75 standard, what is the primary purpose of creating separate, fire-rated compartments or zones within a data center? → To contain a fire within its area of origin and prevent it from spreading to other zones.
5. What does "heat density" mean in terms of the HVAC system of a data center? → The temperature average in an area, but not the entire site.
6. Which network topology is most commonly used within a data center to provide redundancy and high availability? → Fat-tree (spine-leaf) topology
7. The capacity of a system or component to carry out its necessary operations under specified conditions for a predetermined amount of time is known as . → Reliability
8. What kind of fire detection system is suggested for safeguarding a data center? → Heat detector
9. What kind of source does fiber cable use to send data from? → Light
10. Which of the following is a device for acoustic signaling and notification? → Alarms
11. Which IT strategy most directly reduces data center energy waste caused by underutilized physical servers? → Server virtualization and workload consolidation
12. Which of the following is an illustration of an indirect cost? → Damaged brand perception
13. Which humidity-related condition can damage data center equipment by causing condensation on circuit boards? → Relative humidity above 80%
14. A hosts a company's website on a: → Web server
15. The technique of backing up data is essentially meaningless without it. → Data Retrieval
16. Which of the following factors should you take into account when choosing a backup plan for your business? → Both RPO & RTO
17. Which of the following tasks can be performed using DCIM? → Both b and c
18. Which category of fires involves common combustibles like paper, wood, and fabric? → Class A
19. Which type of humidifier contains an electrode-filled water canister? → Steam Canister Humidifier
20. Which of the following best describes 'PUE' (Power Usage Effectiveness) in data center operations? → Total facility power divided by IT equipment power, where a value of 1.0 is ideal
21. What is the main issue with your HVAC system having too little humidity? → Static build up that can cause major electrical damage
22. The arithmetic mean of the time between a system failure and subsequent operation for a specific time period is . → MTBF
23. What does DCIM help organizations achieve? → Better resource utilization and cost savings
24. LEED certification for green data center buildings is issued by which organization? → U.S. Green Building Council (USGBC)
25. What does the term 'containment' refer to in data center cooling design? → Separating hot exhaust air from cold supply air to improve cooling efficiency
26. A company that operates the server that houses a website for an organization and its links to the Internet backbones is referred to as: → Internet service provider
27. The level of logic and computation in an e-business infrastructure is: → Processing
28. Which renewable energy procurement method allows a data center to claim renewable energy use without generating power on-site? → Purchasing Renewable Energy Certificates (RECs)
29. What does PUE (Power Usage Effectiveness) measure in a data center? → The ratio of total facility power to IT equipment power
30. Which cooling metric measures the ratio of heat removed by a cooling unit to the electrical energy consumed by that unit? → Coefficient of Performance (COP)