A companys disaster recovery plan requires that a hot site be maintained for fault tolerance. Which of the following would achieve this goal?

A.
Data is backed up on tape and stored at an offsite location.

B.
An exact duplicate of the infrastructure is storedonsite.An exact duplicate of the infrastructure is mirrored offsite.

C.
An exact duplicate of the infrastructure is mirrored offsite.

D.
Data is backed up on a second hard drive in a server.