RHCSA RHCSA SSH and Remote Access Configuration 2

Question 1

Which SSH option allows you to log in as a specific user to a remote host?

Accepted Answer

ssh -l username host

Answer

The `-l` flag specifies the remote login name; alternatively, `ssh username@host` achieves the same result.

Question 2

What `sshd_config` setting limits SSH access to only specific users?

Accepted Answer

AllowUsers

Answer

`AllowUsers` in `sshd_config` accepts a space-separated list of usernames permitted to log in via SSH.

Question 3

Which port does SSH use by default?

Accepted Answer

22

Answer

SSH operates on TCP port 22 by default, though this can be changed in `sshd_config` for security.

Question 4

What directive in `sshd_config` enables or disables password authentication?

Accepted Answer

PasswordAuthentication

Answer

`PasswordAuthentication yes|no` controls whether users can authenticate using a password instead of a key.

Question 5

Which file on RHEL must be updated to allow the new SSH port through the SELinux policy?

Accepted Answer

semanage port -a -t ssh_port_t -p tcp NEWPORT

Answer

You use `semanage port -a -t ssh_port_t -p tcp <port>` to add the new port to the SELinux SSH port type policy.

RHCSA Exam Practice Test