XK0-005 Practice Test

A systems administrator is investigating an issue in which one of the servers is not booting up properly. The journalctl entries show the following:

Which of the following will allow the administrator to boot the Linux system to normal mode quickly?

A.

Comment out the /opt/app filesystem in /etc/fstab and reboot.

B.

Reformat the /opt/app filesystem and reboot.

C.

Perform filesystem checks on local filesystems and reboot.

D.

Trigger a filesystem relabel and reboot.

A systems administrator wants to be sure the sudo rules just added to /etc/sudoers are valid. Which of the following commands can be used for this task?

A.

visudo -c

B.

test -f /etc/sudoers

C.

sudo vi check

D.

cat /etc/sudoers | tee test

A Linux administrator found many containers in an exited state. Which of the following commands will allow the administrator to clean up the containers in an exited state?

A.

docker rm --all

B.

docker rm $(docker ps -aq)

C.

docker images prune *

D.

docker rm --state exited

In which of the following filesystems are system logs commonly stored?

A.

/var

B.

/tmp

C.

/etc

D.

/opt

A Linux system is failing to boot with the following error:

Which of the following actions will resolve this issue? (Choose two.)

A.

Execute grub-install --root-directory=/mnt and reboot.

B.

Execute grub-install /dev/sdX and reboot.

C.

Interrupt the boot process in the GRUB menu and add rescue to the kernel line.

D.

Fix the partition modifying /etc/default/grub and reboot.

E.

Interrupt the boot process in the GRUB menu and add single to the kernel line.

F.

Boot the system on a LiveCD/ISO.