RHCSA RHCSA EX200 4

Question 1

Which command creates a new physical volume on /dev/sdc for use with LVM?

Accepted Answer

pvcreate /dev/sdc

Answer

vgcreate /dev/sdc

Answer

lvcreate /dev/sdc

Answer

mkfs.lvm /dev/sdc

Question 2

You need to schedule a one-time task to run in 30 minutes. Which command should you use?

Accepted Answer

at now + 30 minutes

Answer

crontab -e

Answer

batch +30

Answer

systemd-run --after=30m

Question 3

Which command permanently changes the SELinux context of /srv/web to httpd_sys_content_t and updates the policy database?

Accepted Answer

semanage fcontext -a -t httpd_sys_content_t '/srv/web(/.*)?' && restorecon -Rv /srv/web

Answer

chcon -t httpd_sys_content_t /srv/web

Answer

setfattr httpd_sys_content_t /srv/web

Answer

setenforce httpd /srv/web

Question 4

Which /etc/fstab field controls the order of filesystem checks at boot?

Accepted Answer

Field 6 (pass)

Answer

Field 4 (options)

Answer

Field 5 (dump)

Answer

Field 3 (type)

Question 5

A user must be able to run '/usr/bin/systemctl restart httpd' as root without a password. Which sudoers entry achieves this?

Accepted Answer

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

Answer

alice ALL=NOPASSWD: ALL

Answer

alice root=(ALL) /usr/bin/systemctl

Answer

NOPASSWD alice /usr/bin/systemctl restart httpd

Question 6

Which command displays the disk usage of each subdirectory under /home, sorted by size, in human-readable format?

Accepted Answer

du -sh /home/* | sort -h

Answer

df -h /home/*

Answer

ls -lah /home/

Answer

stat /home/*

Question 7

How do you configure a container to start automatically when the host system boots using systemd under a rootless podman setup?

Accepted Answer

Generate a systemd unit with 'podman generate systemd', place it in ~/.config/systemd/user/, and run 'systemctl --user enable'

Answer

podman enable --boot container_name

Answer

Add container to /etc/rc.local

Answer

Use 'podman run --restart=always'