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Exam Codes : XK0-004
Launch Date : April 2, 2019
Exam Description : CompTIA Linux+ validates the skills of IT professionals with hands-on experience configuring, monitoring, and supporting servers running the Linux operating system. The new exam has an increased focus on the following topics: security, kernel modules, storage & virtualization, device management at an enterprise level, git & automation, networking & firewalls, server side & command line, server (vs. client-based) coverage, troubleshooting and SELinux.
Number of Questions: Maximum of 90 questions
Type of Questions : Performance-based, Multiple Choice (Single Response), Multiple Response and Fill-in-the-Blank
Length of Test : 90 Minutes
Passing Score : 720 (on a scale of 100 to 900)
Recommended Experience : CompTIA A+, CompTIA Network+ and 12 months of Linux admin experience
Languages : English, Japanese, Portuguese and Spanish
TBD - Usually three years after launch
Testing Provider Pearson VUE: Testing Centers: Online Testing

Official CompTIA Content (OCC) has been designed by CompTIA for the CompTIA certification candidate. Self-paced study guides are:

Reviewed extensively to ensure 100% coverage of the CompTIA exam objectives
Clearly written and structured
Flexible, so you can learn at any pace

Save With a Bundle
CompTIA Training bundles are a great way to continue your learning process in every stage of your exam preparation. Complement a study guide with popular training options. Two common ones are:

Product Details
Media type: Paperback print book or eBook
Audience: Self-paced individual learner
Publisher: CompTIA Learning
Language: English
Price: print book: $149, eBook: $139

What You'll Learn
This Official CompTIA Linux+ Study Guide (XKO-004) was designed to help you acquire the knowledge for configuring, operating and troubleshooting Linux systems.

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

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

The new CompTIA Linux+ is for the IT pro who will use Linux to manage everything from cars and smartphones to servers and supercomputers, as a vast number of enterprises use Linux in cloud, cybersecurity, mobile and web administration applications.

In the new CompTIA Linux+, candidates are only required to pass one exam for certification. However, the new certification is no longer eligible for the LPI 2-for-1 offer.

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.

CompTIA Linux+ covers common tasks in major distributions of Linux, including the Linux command line, basic maintenance, installing and configuring workstations, and networking.

What Skills Will You Learn?

Hardware & System Configuration
Configure kernel modules, network parameters, storage, cloud and virtualization technologies

System Operation & Maintenance
Manage software and services, and explain server roles, job scheduling, and the use and operation of Linux devices

Understand best practices for permissions and authentication, firewalls, and file management.

Linux Troubleshooting & Diagnostics
Analyze system properties and processes and troubleshoot user, application and hardware issues

Automation & Scripting
Execute basic BASH scripts, version control using Git, and orchestration processes
Jobs that use CompTIA Linux+
Linux Administrator
Network Administrator
Technical Support Specialist
Web Administrator
Systems Administrator

Keep your certification up to date with CompTIA’s Continuing Education (CE) program. It’s designed to be a continued validation of your expertise and a tool to expand your skillset. It’s also the ace up your sleeve when you’re ready to take the next step in your career.

Get the most out of your certification
Information technology is an incredibly dynamic field, creating new opportunities and challenges every day. Participating in our Continuing Education program will enable you to stay current with new and evolving technologies and remain a sought-after IT and security expert.

The CompTIA Continuing Education program
Your CompTIA Linux+ certification is good for three years from the date of your exam. The CE program allows you to extend your certification in three-year intervals through activities and training that relate to the content of your certification.

It’s easy to renew
You can participate in a number of activities and training programs, including higher certifications, to renew your CompTIA Linux+ certification. Collect at least 50 Continuing Education Units (CEUs) in three years and upload them to your certification account, and your CompTIA Linux+ certification will automatically renew.

Want more details? Learn more about the CompTIA Continuing Education program.

Which of the following would be the BEST solution for a systems administrator to access the graphical user environment of a Linux machine remotely?

C. X11

Answer: A

A technical support engineer receives a ticket from a user who is trying to create a 1KB file in the /tmp directory and is getting the following error:
No space left on device.
The support engineer checks the / tmp directory, and it has 20GB of free space.
Which of the following BEST describes a possible cause for this error?

A. The /tmp directory is not mounted.
B. The filesystem is formatted with a 4MB block size.
C. the filesystem ran out of inodes.
D. The /tmp directory has been set with an immutable attribute.

Answer: C

Which of the following is the BEST reason for not storing database files in the /var directory?

A. The /var filesystem is not fast enough for database files.
B. The number of files in /var is limited by the available inodes.
C. Files in /var do not have strict file permissions.
D. If log files fill up /var, it might corrupt the database.

Answer: D

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