What can you do to recover a lost passphrase for a DSA or RSA authentication key?
A.
Run the ssh-keygen Command
B.
Run the ssh –recover command
C.
A lost passphrase cannot be recovered
D.
Decrypt the authentication key with gpg
E.
Decrypt the authentication key with ssh –decrypt
Explanation:
From the man pages (ssh-keygen):
There is no way to recover a lost passphrase. If the passphrase is lost or forgotten, a new key must be generated and copied to the corresponding public key to other machines.