Answer:"lights out"
Explanation:Data center are those places that provide the environment for the execution of data , storage of data . managing etc. These center provides the help in the basic operations of the information technology environment. The environment in which the data center is said to be "light's out" where the IT equipment work automatically in the work space.
It is considered as the security space of the data/information so that no interruption is present with help of electricity.
