CompTIA XK0-004 exam also known as Linux+ is designed for IT pros who use Linux to operate everything from smartphones and cars to supercomputers and servers. Especially now when this operating system is used in web and mobile administration, cybersecurity, cloud applications

As proof, after candidates pass it, they are awarded the appropriate CompTIA Linux+ certification indicated that the individual is able to monitor, configure, and support servers operating under the Linux operating system.

Details of the Linux+ Accreditation Exam

Exam XK0-004 contains not more than 90 questions that are of multiple-response, multiple-choice, performance-based, as well as fill-in-the-blank formats. What’s more, one needs 720 to pass, with scores being scaled between 100 and 900. And since this is not an easy task, CompTIA recommends having experience with A+, Network+, in addition to at 9-12 months of experience in administering Linux before sitting for this test.

It’s important to keep in mind that every candidate has to pay $338 as an exam fee to schedule this evaluation which is delivered in English, Spanish, Portuguese, and Japanese. The good news is that you have a choice in the form of a formal exam. So, you can take the test at one of the Pearson VUE testing centers or online through the Pearson OnVUE platform.

Skills Examined

Although the XK0-004 exam is an entry-level evaluation, there are several subject areas that an individual who wishes to pass it needs to comprehend in advance. As you realize, these are IT skills and knowledge associated with the Linux operating system.

• First of all, candidates will meet tasks concerning system as well as hardware configuration. In other words, every applicant should have no trouble explaining the basic concepts of the Linux boot process, including Boot loaders, Boot options, File locations, Kernel panic, and Boot modules and files. Furthermore, the routine skills of every experienced Linux administrator are to install and configure the kernel module as well as to check the network connection parameters A knowledge of cloud concepts and virtualization, together with localization parameters will only play into your hands when writing the final test.
• A candidate who does not know anything about systems maintenance and operation will definitely find it difficult to pass the Linux+ exam. So it is worth arming yourself with the practical skills to install, configure, update, and uninstall software, as well as to be able to manage groups and users. Do not forget about the work with the files, including the creation, modification, and redirection. In addition, a capable administrator can easily manage server roles alongside Linux devices and graphical user interfaces.
• At the same time, security should never be forgotten. Therefore, only an experienced administrator can manage appropriate group or user permissions and ownership as well as configure Linux firewalls. You should also demonstrate advanced file management skills to secure information, as well as implement logging services.
• Sooner or later, every Linux administrator will be faced with the need to diagnose and troubleshoot problems. Therefore, candidates must know system properties and be able to remediate data. The skills of troubleshooting user issues, as well as software and hardware, will also always come in handy.
• Responsible candidates will not ignore topics related to scripting and automation in their preparation. Knowledge of basic BASH scripts, the use of Git for version control, and an understanding of the orchestration process will prove that you are worthy of the Linux+ certification.

Exam’s Training Courses

As you can see, it takes a lot of effort and time to prepare comprehensively. But fortunately, CompTIA offers a variety of training methods, so that students can choose one that best fits their way of learning and absorbing content as well as their availability with regards to time. One is an instructor-led training that is available both online and in the classroom. Another one is the CertMaster Learn platform for self-paced learning that utilizes a customizable plan and questions that are based on test objectives. Another training option is CompTIA Labs that enhance understanding of the subjects to be tested in a practical context.

Career Prospects

As already mentioned above, Linux is gaining momentum in many different fields, not only in IT. That is why organizations of different types of activities need knowledgeable and savvy specialists who can demonstrate their expertise in practice. For example, Linux accreditation is highly appreciated by companies such as Dell, Aetna, General Dynamics, and others.

So, with this certificate in hand, you will be open to many job offers. They are Linux administrator, network administrator, technical support expert, systems administrator, and web administrator. And if you believe the PayScale.com website's numbers, a CompTIA Linux+ owner can earn an average of $74,674 and qualify for a Cyber Security Engineer or Senior Systems Administrator position with annual salaries of $94k and $91k respectively in the future.

Career Path

If your field of work is directly related to Linux administration, passing the CompTIA XK0-004 accreditation exam and obtaining the appropriate certificate will allow you to enjoy all the career and financial opportunities you have gained. However, if you don't want to stop there or your job responsibilities are much broader, you can pursue the CompTIA Infrastructure Pathway where the Linux+ certification belongs. Overall, this block of appointments is aimed at IT pros who are looking to effectively manage and maintain the data center as well as network operations. So, this certification pathway, which includes CompTIA IT Fundamentals, CompTIA A+, CompTIA Security+, CompTIA Network+, CompTIA Server+, CompTIA Linux+, CompTIA Cloud+ will give you limitless professional opportunities. Go for it!