CompTIA Linux+

Here you have the best CompTIA XK0-005 practice exam questions

You have 477 total questions across 96 pages (5 per page)
These questions were last updated on February 11, 2026
This site is not affiliated with or endorsed by CompTIA.

Question 1 of 477

An administrator accidentally deleted the /boot/vmlinuz file and must resolve the issue before the server is rebooted. Which of the following commands should the administrator use to identify the correct version of this file?

rpm -qa | grep kernel; uname -a

yum -y update; shutdown -r now

cat /etc/centos-release; rpm -Uvh --nodeps

telinit 1; restorecon -Rv /boot

Question 2 of 477

A cloud engineer needs to change the secure remote login port from 22 to 49000. Which of the following files should the engineer modify to change the port number to the desired value?

/etc/host.conf

/etc/hostname

/etc/services

/etc/ssh/sshd_config

Question 3 of 477

A new file was added to a main Git repository. An administrator wants to synchronize a local copy with the contents of the main repository. Which of the following commands should the administrator use for this task?

git reflog

git pull

git status

git push

Question 4 of 477

A Linux administrator needs to redirect all HTTP traffic temporarily to the new proxy server 192.0.2.25 on port 3128. Which of the following commands will accomplish this task?

iptables -t nat -D PREROUTING -p tcp --sport 80 -j DNAT - -to-destination 192.0.2.25:3128

iptables -t nat -A PREROUTING -p top --dport 81 -j DNAT –-to-destination 192.0.2.25:3129

iptables -t nat -I PREROUTING -p top --sport 80 -j DNAT –-to-destination 192.0.2.25:3129

iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT –-to-destination 192.0.2.25:3128

Question 5 of 477

Developers have requested implementation of a persistent, static route on the application server. Packets sent over the interface eth0 to 10.0.213.5/32 should be routed via 10.0.5.1. Which of the following commands should the administrator run to achieve this goal?

route -i etho -p add 10.0.213.5 10.0.5.1

route modify eth0 +ipv4.routes "10.0.213.5/32 10.0.5.1"

echo "10.0.213.5 10.0.5.1 eth0" > /proc/net/route

ip route add 10.0.213.5/32 via 10.0.5.1 dev eth0

About the CompTIA XK0-005 Certification Exam

About the Exam

The CompTIA XK0-005 (CompTIA Linux+) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 477 practice questions across 96 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our XK0-005 questions are regularly updated to reflect the latest exam objectives.