XK0-005 CompTIA Linux+ Certification Exam

CompTIA Linux+ validates the competencies required of an early career system administrator supporting Linux systems.

Exam Description
The new version of CompTIA Linux+ covers an evolving job role that focuses more on how Linux powers the cloud. The exam includes cutting edge technologies that help automate and orchestrate business processes, including infrastructure as code and containers.

Number of Questions Maximum of 90 questions
Type of Questions Multiple-choice and performance-based
Length of Test 90 Minutes
Passing Score 720 (on a scale of 100 to 900)

Recommended Experience
Recommended experience is 12 months of hands-on experience working with Linux servers in a junior Linux support engineer or junior cloud/DevOps support engineer job role. CompTIA A+, Network+, and Server+ or similar certifications and/or knowledge are also recommended.

Languages  English, Japanese, Portuguese and Spanish English only
TBD – Usually three years after launch

CompTIA Linux+ validates the skills administrators need to secure the enterprise, power the cloud and keep systems running. The new certification ensures that IT professionals, software developers, cybersecurity engineers and penetration testers have these necessary skills to support today’s tech systems.

CompTIA Linux+ is the only job-focused Linux certification covering the latest foundational skills demanded by hiring managers. Unlike other certifications, the new exam includes performance-based and multiple-choice questions to identify the employees who can do the job. The exam covers tasks associated with all major distributions of Linux, setting the foundation for advanced vendor/distro-specific knowledge.

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The new CompTIA Linux+ XK0-005 will be available July 12, 2022!
If you took the recent CompTIA Linux+ beta exam, thank you for your support! Please remember that beta exam results will not be available until the launch of the live exam.

What Skills Will You Learn?

HARDWARE : System Management Configure and manage software, storage and process and services

WINDOWS OPERATING SYSTEMS Security Understand best practices for permissions and authentication, firewalls, and file management

SOFTWARE TROUBLESHOOTING Scripting, Containers & Automation Create simple shell scripts and execute basic BASH scripts, version control using Git, and orchestration processes

NETWORKING Troubleshooting Analyze system properties and processes and troubleshoot user, application and hardware issues

Jobs that use CompTIA Linux+
Linux Administrator

Junior Cloud Engineer
Junior DevOps Support Engineer

Technical Support Specialist
Systems Administrator

Network Administrator
Web Administrator/ Developer

Cybersecurity Engineer
Linux Engineer

What You’ll Learn
The Official CompTIA Linux+ Study Guide (XK0-005) has been developed by CompTIA for the CompTIA certification candidate. Rigorously evaluated by third party subject matter experts to validate adequate coverage of the Linux+ exam objectives, the Official CompTIA Linux+ Study Guide teaches the essential skills and information required for the CompTIA certification exam (XK0-005).

After reading this text, you will understand how to:
Perform basic Linux tasks
Manage users and group
Manage permissions and ownership
Manage storage
Manage files and directories
Manage kernel modules
Manage the Linux boot process
Manage system components
Manage devices
Manage networking
Manage packages and software
Secure Linux systems
Write and execute Bash shell scripts
Automate tasks
Plan and perform a Linux installation

Prerequisites
To learn with the Official CompTIA Linux+ Study Guide and prepare for your exam, you need to have the following:

CompTIA A+ certification
CompTIA Network+ certification
Have at least 12 months of Linux admin experience

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QUESTION 1
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?

A. rpm -qa | grep kernel; uname -a
B. yum -y update; shutdown -r now
C. cat /etc/centos-release; rpm -Uvh –nodeps
D. telinit 1; restorecon -Rv /boot

Answer: A

Explanation:

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QUESTION 2
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?

A. /etc/host.conf
B. /etc/hostname
C. /etc/services
D. /etc/ssh/sshd_config

Answer: D

Explanation:

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QUESTION 3
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?

A. git reflog
B. git pull
C. git status
D. git push

Answer: B

Explanation:

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QUESTION 4
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?

A. iptables -t nat -D PREROUTING -p tcp –sport 80 -j DNAT – -to-destination 192.0.2.25:3128
B. iptables -t nat -A PREROUTING -p top –dport 81 -j DNAT —to-destination 192.0.2.25:3129
C. iptables -t nat -I PREROUTING -p top –sport 80 -j DNAT —to-destination 192.0.2.25:3129
D. iptables -t nat -A PREROUTING -p tcp –dport 80 -j DNAT —to-destination 192.0.2.25:3128

Answer: D

Explanation:

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QUESTION 5
Developers have requested implementation of a persistent, static route on the application server.
Packets sent over the interface eth0 to 10.0.213.5 should be routed via 10.0.5.1. Which of the
following commands should the administrator run to achieve this goal?

A. route -i etho -p add 10.0.213.5 10.0.5.1
B. route modify eth0 +ipv4.routes “10.0.213.5 10.0.5.1”
C. echo “10.0.213.5 10.0.5.1 eth0” > /proc/net/route
D. ip route add 10.0.213.5 via 10.0.5.1 dev eth0

Answer: D