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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:

• 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.

• 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.

• 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.

CompTIA XK0-004: Exam Structure

The CompTIA XK0-004 exam contains a maximum of 90 questions. The question formats that appear in the test are performance-based, multiple response, fill in the blank, and multiple choice. The students have 90 minutes to complete all of these questions. At the present moment, the exam can be taken in English only. The Spanish, Japanese, and Portuguese languages will be available soon. To achieve the passing score, the candidates must have at least 720 points on a scale of 100-900. They should register for and schedule the test through the Pearson VUE website. They have to pay the fee of $338 before completing the registration process. The individuals can sit for the exam online or at one of the Pearson VUE testing centers across the world.

Security

Security is a critical component of managing Linux services and listed below are some of the objectives you should know to pass XK0-004 test:

• File backup, restoration, and compression.
• Implementing and configuring Linux firewalls with ACL;
• Applying or acquiring fitting user or group ownership and context-based permissions;
• Configuring and implementing the right authentication and access methods like PAM, and using Linux commands such as TTY, PTY, and SSH.
• Implementing logging services and various Linux log files;
• Summarizing the security best practices commonly used within a Linux environment and explaining their peculiarities;

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Benefits of the CompTIA Linux+ Certification

Given that Linux is becoming one of the most developing areas in the IT field, the CompTIA Linux+ certification indicates that an individual has all the right qualifications in a specific field. Beyond that here are a few benefits of possessing the certificate:

• Few IT experts have Linux certification. A recent study indicated that major IT openings had less or no individuals with such accreditation during a job search. In view of this, with Linux+, your application will be among the first.
• CompTIA Linux+ is vendor-neutral, that is why the skills and knowledge gained in preparing for its test can be applied to different systems. In other words, you will be able to effectively work with other tools that have UNIX and macOS.
• It puts you ahead of others in the professional sphere. Particularly now that the job market in the IT industry requires one to have valuable skills, with Linux+, you are certain to have an edge over competitors for the position you seek.

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

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