A. Advise your customer to create an encrypted backup copy of the private SSH keys and keep them secure.

B. Advise your customer to generate another set of public and private keys to use as backups in case they lose the first set.

C. Distribute the private keys to the LOB managers for safe keeping.

D. Advise your customer to create an encrypted backup copy of the public SSH keys and don't let anyone have access.

E. Destroy the private key file to prevent any potential malicious access to their cloud environment.