CompTIA XK0-004J exam dumps : CompTIA Linux+ Certification Exam (XK0-004日本語版)

  • Exam Code: XK0-004J
  • Exam Name: CompTIA Linux+ Certification Exam (XK0-004日本語版)
  • Updated: Jul 23, 2026     Q & A: 485 Questions and Answers

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About CompTIA XK0-004日本語 Exam

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Systems Operation and Maintenance

Here, students should be well conversant with the following concepts:

  • Scheduling and automating jobs;
  • Summarizing and explaining server roles like Linux;
  • Managing users and groups including query users, disk quotas, and profiles.
  • Explaining the role of Linux devices;
  • Managing services like Systemd & InitV;
  • Conducting software installations, updates, removals, and configurations;
  • Creating, modifying, and redirecting files;
  • Comparing and contrasting the graphical user interfaces of a Linux system.

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

What is the duration of the XK0-004 Exam

  • Number of Questions: 90
  • Passing score: 720
  • Format: Multiple choices, multiple answers
  • Length of Examination: 90 minutes

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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:

  • 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.

  • 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.

  • 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.

Thinking of building a career using the CompTIA Linux+ certification? First, you have to ace its related XK0-004 exam.

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CompTIA XK0-004日本語 Exam Syllabus Topics:

SectionWeightObjectives
Linux Troubleshooting and Diagnostics20%- Resource and Application Troubleshooting
  • 1. Log analysis and diagnostics
  • 2. Memory, CPU, disk utilization
  • 3. Process and service failures
- Network and Connectivity Issues
  • 1. IP configuration and routing problems
  • 2. DNS and service connectivity
  • 3. Network performance issues
- Boot and System Issues
  • 1. Kernel and hardware errors
  • 2. Filesystem corruption repair
  • 3. Bootloader problems
Systems Operation and Maintenance26%- User and Group Administration
  • 1. Create, modify, delete users and groups
  • 2. Permissions and ownership
  • 3. Authentication and sudo configuration
- Process and Service Management
  • 1. Systemd and SysVinit services
  • 2. Scheduling jobs: cron and at
  • 3. Monitor and manage running processes
- Command Line Interface
  • 1. File management and editing
  • 2. Input/output redirection
  • 3. Text processing utilities
Security19%- Filesystem and Data Security
  • 1. Encryption and secure data deletion
  • 2. Partition security
  • 3. File permissions and ACLs
- Network Security
  • 1. TCP wrappers and network hardening
  • 2. SSH secure access
  • 3. Firewall configuration: iptables, firewalld
- System Hardening
  • 1. Password policies and PAM
  • 2. Vulnerability mitigation
  • 3. Audit logs and monitoring
Hardware and System Configuration21%- Network Configuration
  • 1. Network interfaces and settings
  • 2. Network troubleshooting tools
  • 3. DNS, routing, and network services
- System Architecture
  • 1. Filesystem hierarchy standard
  • 2. Storage and filesystem management
  • 3. Hardware configuration
  • 4. Boot process and init systems
- Installation and Package Management
  • 1. Install Linux distributions
  • 2. Package managers: RPM, DPKG, YUM, APT
  • 3. Kernel modules and drivers
Automation and Scripting14%- Bash Shell Scripting
  • 1. Command substitution and functions
  • 2. Variables, loops, and conditionals
  • 3. Input/output handling
- Task Automation
  • 1. Script debugging and validation
  • 2. Basic configuration management
  • 3. Scheduling and batch processing

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