RHCSA RHCSA SSH and Remote Access Configuration

Question 1

Which file contains the system-wide SSH server configuration on RHEL?

Accepted Answer

/etc/ssh/sshd_config

Answer

/etc/ssh/ssh_config

Answer

/etc/sshd.conf

Answer

/etc/openssh/sshd_config

Question 2

What command generates an SSH key pair for key-based authentication?

Accepted Answer

ssh-keygen

Answer

ssh-copy-id

Answer

ssh-add

Answer

ssh-agent

Question 3

Which command copies your public SSH key to a remote host for passwordless login?

Accepted Answer

ssh-copy-id user@host

Answer

scp ~/.ssh/id_rsa.pub user@host

Answer

ssh-add user@host

Answer

ssh-keygen -c user@host

Question 4

Where is the authorized public keys file stored for SSH key-based login on RHEL?

Accepted Answer

~/.ssh/authorized_keys

Answer

~/.ssh/known_hosts

Answer

/etc/ssh/authorized_keys

Answer

~/.ssh/id_rsa.pub

Question 5

Which `sshd_config` directive disables root login over SSH?

Accepted Answer

PermitRootLogin no

Answer

AllowRoot no

Answer

RootLogin disabled

Answer

DenyRoot yes

Question 6

After editing `/etc/ssh/sshd_config`, what command applies the changes?

Accepted Answer

systemctl restart sshd

Answer

service ssh reload

Answer

sshd -t

Answer

pkill -HUP sshd