Which of the Following Is a Reason to Have a Remote

Which of the following is a reason to have a remote cold site readily available in case of a disaster in the primary datacenter?

A) It provides a company with a redundant location that mirrors the primary datacenter hardware but requires no data restoration.
B) It provides a company with a backup location to install the necessary equipment to restore critical services.
C) It provides a company with a backup location equipped with resources necessary for immediate restoration of critical services.
D) It provides a company with a redundant location that mirrors the primary datacenter hardware and data.