A sales representative regularly modifies confidential files on a laptop and needs them to be available all the time. The sales representative will be on a six-month business trip in two weeks. A technician has been asked to assist the sales representative with saving files. Which of the following is the BEST method to implement to prevent any data loss for the sales representative? 

Answer options:

A. Give the sales representative a USB security lock.
B. Encrypt the laptop`s image on the server.
C. Create a redundant cloud storage drive.
D. Give the sales representative an external hard drive.

C