CDCP Data Center Design Principles 2

Question 1

The Uptime Institute's Tier IV data center classification requires what minimum percentage of concurrent maintainability?

Accepted Answer

All paths and components are fully redundant with fault tolerance (2N or better)

Answer

Tier IV requires fully fault-tolerant systems, meaning all components and distribution paths are fully redundant (2N or better) so that any single equipment failure or planned maintenance does not interrupt the facility.

Question 2

In data center design, what is the significance of a 'point of delivery' (POD) architecture?

Accepted Answer

It modularizes the data center into self-contained, repeatable units that can be deployed incrementally as capacity grows

Answer

A POD architecture divides the data center into modular, self-contained units with dedicated power, cooling, and networking, enabling incremental capacity expansion and faster deployment.

Question 3

Which standard provides guidance specifically for data center telecommunications infrastructure design?

Accepted Answer

TIA-942

Answer

TIA-942 (Telecommunications Infrastructure Standard for Data Centers) provides detailed guidance on cabling, layout, and redundancy for data center telecommunications infrastructure.

Question 4

What is 'white space' in data center terminology?

Accepted Answer

The raised-floor area where IT equipment (servers, storage, networking) is located

Answer

White space refers to the primary data center floor area where IT equipment is installed, as opposed to 'gray space' (support infrastructure like UPS and generators) and office areas.

Question 5

When designing a data center, what is the primary purpose of the 'main distribution area' (MDA)?

Accepted Answer

It is the core cabling hub where horizontal cabling from zone and equipment areas terminates, housing main cross-connects

Answer

The MDA is the cabling backbone of the data center — it houses the main cross-connect and is the central point from which horizontal cabling distributes to all other areas of the facility.

CDCP - Certified Data Centre Professional Practice Test

CDCP - Certified Data Centre Professional Practice Test

CDCP Data Center Design Principles 2