Question

A data center designed to have an expected annual downtime of less than 30 minutes and able to handle a power outage of up to four days is a tier _______________ data center.

a. 1
b. 2
c. 3
d. 4

Answer 1

The correct answer is d. 4, identifying the data center as a tier 4 facility, which has less than 30 minutes of expected annual downtime and can handle a power outage for up to four days.

Step-by-step explanation:

A tier 4 data center is designed to have an expected annual downtime of less than 30 minutes and able to handle a power outage of up to four days. Therefore, the correct answer is d. 4

The Tier Classification System is defined by the Uptime Institute and classifies data centers into four levels of availability and redundancy. Tier 4 is the most robust level, providing the highest levels of redundancy and reliability.

Among other stringent requirements, a Tier 4 data center must have multiple, independent, physically isolated systems that provide redundancy for power, cooling, and network connectivity, as well as fault tolerance. It is built to withstand and operate through unplanned events or disasters without interruption to services.