Nathaniel has deployed the control infrastructure for his manufacturing plant without a network connection to his other networks. What term describes this type of configuration?

Nathaniel has created an air gap, a physical separation that will require manual transport of files, patches, and other data between the two environments. This helps to ensure that attackers cannot access critical systems and that insiders cannot export data from the environment easily. A screened subnet, also known as a demilitarized zone (DMZ), is a separate network segment or zone that is exposed to the outside world or other lower trust area. A vault is a secured space or room. Hot and cold isles are equipment arrangements used in server rooms or datacenters to efficiently circulate air and keep server racks and other equipment cool.