which command specifies the RSA public key of the remote peer when you set the SSH server to perform RSA-based authentication?

When you set a Cisco IOS Router as an SSH server, which command specifies the RSA public
key of the remote peer when you set the SSH server to perform RSA-based authentication?

A.
router(config-ssh-pubkey-user)#key

B.
router(conf-ssh-pubkey-user)#key-string

C.
router(config-ssh-pubkey)#key-string

D.
router(conf-ssh-pubkey-user)#key-string enable ssh

Explanation: