Which of the Following Is Not a Common Design Feature

Multiple Choice

Which of the following is not a common design feature of housing mission-critical servers and databases?

A) Adequate air-conditioning systems to reduce the likelihood of damage due to overheating.
B) Overhead sprinklers to provide protection from fire.
C) Cables with special plugs that cannot be easily removed.
D) Surge-protection devices to provide protection against temporary power fluctuations.