Data Center Design Principles Flashcards
7 cards from real CDCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Center Design Principles flashcards as text
In data center design, what is the primary purpose of a hot aisle/cold aisle containment strategy?
Answer: To separate cool supply air from hot exhaust air and improve cooling efficiency
Hot aisle/cold aisle containment prevents the mixing of supply and exhaust air, which significantly improves cooling efficiency and reduces energy consumption.
Which data center tier level, as defined by the Uptime Institute, requires N+1 redundancy and provides 99.741% availability?
Answer: Tier II
Tier II data centers feature redundant capacity components (N+1) and provide 99.741% availability with up to 22 hours of annual downtime.
What does PUE (Power Usage Effectiveness) measure in a data center?
Answer: The ratio of total facility power to IT equipment power
PUE is calculated by dividing total facility power consumption by IT equipment power consumption; an ideal PUE of 1.0 means all power goes to IT equipment.
In data center design, what is a 'meet-me room' (MMR)?
Answer: A neutral interconnection point where multiple carriers exchange network traffic
A meet-me room is a designated space within a data center where multiple telecommunications carriers and service providers can interconnect their networks.
Which raised floor tile perforation percentage is typically used in cold aisles to achieve optimal airflow distribution?
Answer: 25-35%
Raised floor tiles with 25-35% perforation are commonly used in cold aisles to provide adequate airflow while maintaining proper static pressure under the floor.
What is the recommended minimum ceiling height for a data center's white space (computer room)?
Answer: 12 feet (3.7m)
A minimum ceiling height of 12 feet (3.7m) is recommended for data center white space to accommodate tall equipment, overhead cable trays, and adequate airflow.
In the context of data center design, what is a 'fault zone'?
Answer: A logical or physical boundary that limits the propagation of failures
A fault zone is a designed boundary that contains failures to prevent them from cascading to other parts of the data center infrastructure.