A junior systems administrator has generated a PKI certificate for SSH sessions. The administrator would like to configure authentication without passwords to remote systems. Which of the following should the administrator perform?
A. Add the content of id_rsa.pub file to the remote system ~/.ssh/authorized_keys location.
B. Add the content of id_rsa file to the remote system ~/.ssh/authorized_keys location.
C. Add the content of id_rsa file to the remote system ~/.ssh/known_hosts location.
D. Add the content of id_rsa.pub file to the remote system ~/.ssh/known_hosts location.
