RHCSA RHCSA Linux System Administration 2

Question 1

Which command creates a new logical volume named 'data' of size 5GB in volume group 'vg0'?

Accepted Answer

lvcreate -L 5G -n data vg0

Answer

lvcreate -L specifies size and -n specifies the logical volume name within the volume group.

Question 2

What does the command 'chage -M 90 alice' do?

Accepted Answer

Sets alice's maximum password age to 90 days

Answer

chage -M sets the maximum number of days before a password must be changed.

Question 3

Which SELinux command restores default file context labels recursively on /var/www/html?

Accepted Answer

restorecon -Rv /var/www/html

Answer

restorecon -R applies recursively and -v provides verbose output, restoring default SELinux contexts.

Question 4

A user needs to run 'systemctl restart httpd' without a password via sudo. Which sudoers entry is correct?

Accepted Answer

alice ALL=(ALL) NOPASSWD: /bin/systemctl restart httpd

Answer

The NOPASSWD tag must appear before the command specification in a sudoers rule.

Question 5

Which command displays all active firewalld zones and their assigned interfaces?

Accepted Answer

firewall-cmd --get-active-zones

Answer

--get-active-zones shows only zones that have interfaces or sources bound to them.

RHCSA Exam Practice Test