Which of the following commands can be used to verify the authenticity of an SSH public key, ensuring that it belongs to the expected user?Select one:a.ssh-keygen -lf ~/.ssh/authorized_keysb.ssh-keyscan user@remote_hostc.ssh-keygen -lf ~/.ssh/id_rsa.pubd.ssh-keygen -lf ~/.ssh/known_hosts

Which of the following commands can be used to copy an SSH public key to a remote server, allowing the owner of the corresponding private key to log in without a password?Question 13Answera.ssh-copy-id user@remote_hostb.ssh user@remote_host "echo $(cat ~/.ssh/id_rsa.pub) >> ~/.ssh/authorized_keys"c.scp ~/.ssh/id_rsa.pub user@remote_host:~/.ssh/authorized_keysd.echo "$(cat ~/.ssh/id_rsa.pub)" | ssh user@remote_host "cat >> ~/.ssh/authorized_keys"

Which of the following commands can be used to remove an SSH key from the ~/.ssh/authorized_keys file on a remote server, revoking access to the corresponding user?Question 3Answera.ssh-keygen -R user@remote_hostb.grep -v "ssh-.*user@remote_host" ~/.ssh/authorized_keys > ~/.ssh/authorized_keys.tmpc.ssh-keygen -f "~/.ssh/known_hosts" -R user@remote_hostd.sed -i '/^ssh-.*user@remote_host$/d' ~/.ssh/authorized_keys

Which of the two ssh keys cannot be transferred to anyone?1 point possiblePrivate (file id_rsa)Public (file id_rsa.pub)

Which of the following commands can be used to generate an RSA key pair for use with an SSH server on a Linux system?Question 12Answera.ssh-keygen -t dsab.ssh-keygen -t ed25519c.ssh-keygen -t ecdsad.ssh-keygen -t rsa

Which of the following commands can be used to generate an RSA key pair for use with an SSH server on a Linux system?Select one:a.ssh-keygen -t rsab.ssh-keygen -t ecdsac.ssh-keygen -t ed25519d.ssh-keygen -t dsa