One of the senior managers at a company called the help desk to report to report a problem. The manager could no longer access data on a laptop equipped with FDE. The manager requested that the FDE be removed and the laptop restored from a backup. The help desk informed the manager that the recommended solution was to decrypt the hard drive prior to reinstallation and recovery. The senior manager did not have a copy of the private key associated with the FDE on the laptop. Which of the following tools or techniques did the help desk use to avoid losing the data on the laptop?
A. Public key
B. Recovery agent
C. Registration details
D. Trust Model