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The objectives covered in the CompTIA XK0 004 test include the areas that you need to learn in order to get all the skills required for your future tasks. By mastering these skills, you will be able to pass the exam and become a competent Linux Administrator. Thus, the list of the domains to study include the following:

• Security

  This topic covers about 19% of the exam content, and you will need to learn how to implement and configure appropriate authentication and configure methods, how to acquire or apply the appropriate group and/or user ownership and permissions, as well as be skillful in implementing logging services and Linux firewalls and configure them. These include your knowledge of file and directory permissions, user types, key file locations, and log management.

  In this domain, you should gain the relevant skills in restoring and compressing files and know about security best practices in a Linux environment. This means that you will need to perform archivation and restoration of utilities, use extra authentication methods, and change default ports.

• System and Hardware Configuration

  This subject area has 21% of the exam content and contains the concepts of Linux boot processes and requires that you know the boot loaders such as GRUB and GRUB2, as well as the boot options, including NFS, UEFI/EFI, PXE, Boot from HTTP/FTP, and Boot from ISO. You should also know which file locations as well as boot modules and files can be used. They include the dracut and mkinitrd commands, efi files, vmlinux, and vmlinuz.

  Besides that, you need to have the skills in installing, configuring, and monitoring kernel modules, as well as configuring and verifying network connection parameters. These processes contain various commands, such as modprobe, dmesg, lsmod, depmod, and diagnostic tools that include host, iwconfig, nslookup, etc. It is also important to know how to manage storage in a Linux environment, configure localization options, as well as contrast and compare virtualization and Cloud technologies and concepts.

• Linux Diagnostics and Troubleshooting

  The objective will offer you about 20% of the whole exam content that will be during your test. Its main task is to evaluate your skills in analyzing system properties in order to optimize performance and remediate accordingly, troubleshooting user issues, and analyzing hardware and app issues. These tasks include configuration and monitoring of storage, network, CPU, and memory as well as process management and troubleshooting of additional hardware issues.

  You should also know about various adapters, such as SATA, SCSI, HBA, and RAID, as well as have the skills in working with dependencies that include libraries, patching, GCC compatibility, update issues, and environment variables.

• Scripting and Automation

  About only 14% of the content is from this domain. It covers the details of the deployment and execution of the basic BASH scripts, orchestration processes and concepts, and the process of carrying out version control using Git. These tasks contain shell environments and variables, file globbing, metacharacters, conditional statements, arguments, and automated configuration management.

• Systems Operation and Maintenance

  In this section, which will have the largest amount of the questions (26%), you will be given several scenarios that cover the management of services, groups, and users, conduction of removals, updates, configurations, and software installations, as well as creation, redirection, and modification of files. It is also vital to have those skills that will help you manage services, understand server roles, automate and schedule jobs, as well as contrast and compare Linux graphical user interfaces. These processes include the modification of chage and passwd, usage of RPM, APT, and Zypper installation tools, as well as file and directory operations. Your expertise in monitoring and configuring tools, console redirection, and text processing should be on a decent level as well.

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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.

• 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.

• 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.

• 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.

• 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.

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

CompTIA XK0-004日本語 Exam Syllabus Topics: