CompTIA XK0-004日本語 : 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: Sep 17, 2026
  • Q & A: 485 Questions and Answers

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Who Is It Meant for?

The CompTIA XK0-004 exam should be attempted by early-career administrators whose role involves supporting Linux systems. Ideally, any IT pro who will be using Linux to manage everything on a day to day basis under the cybersecurity, cloud, web, and mobile administration applications can benefit from this certification. If you already understand basic hardware, operating systems, and software concepts and wish to upgrade your knowledge through Linux training, this is the most suitable path then.

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CompTIA XK0-004 Exam Reference

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What Does XK0-004 Entail?

Passing the CompTIA XK0-004 test grants you the aforementioned CompTIA Linux+ certification, which will help you start a career as a Linux system administrator. It is among the most sought-after certificates currently offered by the vendor that validates your skills in monitoring, supporting, and configuring servers running on Linux OS. The CompTIA XK0-004 exam has a few prerequisites that you have to fulfill to be eligible for this certification. This includes the A+ or the Network+ certification and at least 9-12 months of experience administrating Linux. Also, this certification test covers a variety of topics like Systems Operation as well as Maintenance and Linux Diagnostics & Troubleshooting. In addition, you will need to possess a solid knowledge of System and Hardware Configuration, Automation alongside Scripting, and finally, Security. All in all, XK0-004 is 90 minutes long and consists of up to 90 questions. Answering so many questions in such a short time is not an easy task, so you will need to become an effective time manager. The questions can be of various types, such as fill-in-the-blank, multiple-choice, multiple-response, or performance-based. The passing score is 720 points, which should be your target when taking this test. As of now, the exam is available in the English language. A few other languages that include Spanish, Portuguese, and Japanese are coming soon. You should also know that XK0-004 test costs $329 and you need to apply for it on the Pearson VUE platform.

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

CompTIA XK0-004日本語 Exam Syllabus Topics:

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

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