CompTIA Linux+ Certified IT Professional. Exam Overview

Exam XK0-004 issued by CompTIA will verify your knowledge of Linux OS from a vendor-neutral viewpoint. It covers all the key aspects of Linux Server Administration, networking, and security concepts. Therefore, if your goal is to become a CompTIA Linux+ certified expert in the IT field, apply for this test, as sitting for it only takes a maximum of an hour and a half.

However, after the last update, the new exam version has more focus on kernel modules, security, device management, storage and virtualization, git and automation, server and command line alongside networking and firewalls, and many other vital areas of Linux systems.

XK0-004 test costs $338 and is available in English. But, it will soon be available in Portuguese, Japanese, and Spanish too. Then, all standard rules regarding tests apply. You should expect not to have any learning materials with you during XK0-004 exam. Once you are done with it, your results will be communicated to you via email. It should be kept in mind that the test score is based on a scale of 100 to 900, and for you to pass, you should attain at least 720.

The exam includes various questions, such as performance-based, multiple responses, multiple-choice, and fill-in-the-blank. The overall total number of items is not more than 90.

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The benefit in Obtaining the XK0-004 Exam Certification

• There are many companies like Microsoft, CompTIA, Novell, HP, etc. in their own certification tracks are require a CompTIA certification like A+.
• Many colleges and universities are giving college credit for students who get CompTIA certifications.
• The big advantage of CompTIA certifications is especially for those candidates who are new to the IT field and they want to increase their own personal confidence. After getting a certification they gain proof that will give them more credibility and determination to advance their career.
• There are many companies and organizations have made CompTIA certifications compulsory for certain positions and several job advertisements list the certification as primary requirements. Certified professionals earn more than non-certified IT professionals in the same job roles.

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CompTIA XK0-004: Skills Measured

This certification exam is designed to validate the skills and knowledge of the IT professionals with practical experience in supporting, configuring, and monitoring the servers that are functioning on the Linux operating system. The test focuses on a variety of topics, including security, storage and virtualization, kernel models, device management within an enterprise, networking and firewalls, troubleshooting & SELinux, git and automation, server-side & command line, and server versus client-based coverage. The highlights of the domains included in the exam syllabus are enumerated below:

• Systems Operation & Maintenance: 26%

  The examinees should have competence in conducting software installations, updates, configurations, and removals; managing groups and users; creating, redirecting, and modifying files; managing services; describing and summarizing server roles; scheduling and automating jobs. The individuals should also be able to describe the operation and usage of Linux devices and compare and contrast the graphical user interfaces of Linux.

• Hardware & System Configuration: 21%

  This topic measures the ability of the candidates to describe the concepts of a Linux boot process; verify and configure the network connection parameters; manage storage within the Linux environments; compare and contrast virtualization and Cloud technologies and concepts; configure localization alternatives.

• Automation & Scripting: 14%

  This subject area requires one’s skills in executing and deploying fundamental BASH scripts; performing version control with the use of Git; summarizing orchestration concepts and processes.

• Security: 19%

  This section requires the students’ skills and competence in acquiring or applying the relevant group or/and user ownership and permissions; configuring and implementing the relevant authentication and access methods; summarizing best practices within the Linux environment; implementing logging services; backing up, restoring, and compressing files.

• Linux Troubleshooting & Diagnostics: 20%

  The test takers should be able to demonstrate their knowledge and skills in analyzing and remediating system properties; analyzing system processes for optimizing performance; analyzing and troubleshooting user issues; analyzing and troubleshooting hardware and application issues.

Books to Use to Prepare for XK0-004

Numerous books and study guides are always available as an option for personal studies. Put it otherwise, having earlier knowledge gained from the official training course is an added advantage but, you can always increase your chances of passing the CompTIA XK0-004 test through the use of books for self-learning. You can purchase these materials from third-party sites such as Amazon.

• CompTIA Linux+ Portable Command Guide 3rd Edition by William Rothwell.

  This book is an essential material equipped with almost all of the vital commands you will require to pass the exam as it outlines each of XK0-004 test objectives. This guide has summaries of various commands, command arguments, keywords, and associated command prompts. Also, configuration samples are availed throughout to provide a detailed learning of the Linux commands as well as additional guides helping you on their correct use.

• CompTIA Linux+ All-in-one Exam Guide by Ted Jordan and Sandor Strohmayer.

  This is a study guide written by technology trainers and Linux experts which is aimed at comprehensive training of candidates for the CompTIA Linux+ exam. The book covers all the objectives and includes test tips, practice questions, and detailed explanations. Having this edition on their hands, apart from theory, applicants will access more than 100 samples, virtual machines for practice, and over 20 tutorial videos. Also, it's safe to say that this guide is made to help you pass the challenging test, as well as will be a valuable consideration for on-the-job reference.

Reference: https://certification.comptia.org/certifications/linux#overview

CompTIA XK0-004 Exam Syllabus Topics: