We Accept

Company

About Us Metaverse Classroom News & Blog JR Careers Become a Mentor Our Mentors Contact Us JR Store J3.Club

Resources

Job Referrals Events 1-on-1 Tutoring Industry Whitepapers Online Learning Interview Center Share Interview Experience Internship Membership

AI Tools

AI Toolbox Cert Master Job Hunter UniMate AI

AI Learning Paths

All Learning Paths AI Engineer Context Engineering Vibe Coding Prompt Master AI Builder AI Product Manager Python Basics

AI in Practice

AI Productivity AI Data Analysis AI Finance AI Content Creation AI Image Creation Frontend Development Hermes Agent OpenClaw Local Agent

University Resources

University of Melbourne University of Queensland UNSW Sydney University of Sydney Monash University University of Adelaide RMIT QUT UTS

Kids AI Education

Airbotix — AI Coding for Kids AU Family Resource Hub NAPLAN Report Guide My School Data Guide Sydney Private School Fees 2026 Kids Coding Programs

Immigration Services

Australia Immigration Skilled Visa 189/190/491 Employer Sponsored 482/186/494 Business Visa 188/888 UK Immigration US Immigration Canada Immigration

Enterprise

P3 Career Incubator Enterprise (EN)Corporate Training Internship Partnership Recruitment Partnership Apply for Partnership

Job Application Agent

Job Application Service Job Monitoring LinkedIn Management LinkedIn Networking Learn about P3

Support

FAQs Terms & Conditions Privacy Policy Cancellation & Refund Policy Site map

Top Categories

Web Full-Stack Bootcamp DevOps Bootcamp Data Engineering Bootcamp Data Analysis Bootcamp Coding for Beginners Business Analyst Internship Algorithm Bootcamp

Career Services

BA & PM Internship Data Science Internship Data Analysis Internship Marketing Internship Resume Review Interview Coaching VIP Mentor Guidance

Addresses

Level 10b, 144 Edward Street, Brisbane CBD(Headquarter)

Level 2, 171 La Trobe St, Melbourne VIC 3000

45A13, Block B, Oriental Hope Tianxiang Plaza, 500 Tianfu Avenue Middle Section, Wuhou District, Chengdu, Sichuan, China

Business Hub, 155 Waymouth St, Adelaide SA 5000

Contact

hello@jiangren.com.au 0421-672-555

Disclaimer

JR Academy acknowledges Traditional Owners of Country throughout Australia and recognises the continuing connection to lands, waters and communities. We pay our respect to Aboriginal and Torres Strait Islander cultures; and to Elders past and present. Aboriginal and Torres Strait Islander peoples should be aware that this website may contain images or names of people who have since passed away.

All content on the JR Academy website, including course materials, logos, and information provided, is protected under Australian intellectual property laws. Unauthorized use, sale, distribution, reproduction, or modification is strictly prohibited. Violations may result in legal action. By accessing our website, you agree to respect our intellectual property. JR Academy Pty Ltd reserves all rights, including patents, trademarks, and copyrights. Any infringement will be subject to legal prosecution. View Terms of Service

ABN 26621887572

We Accept

Company

About Us Metaverse Classroom News & Blog JR Careers Become a Mentor Our Mentors Contact Us JR Store J3.Club

Resources

Job Referrals Events 1-on-1 Tutoring Industry Whitepapers Online Learning Interview Center Share Interview Experience Internship Membership

AI Tools

AI Toolbox Cert Master Job Hunter UniMate AI

AI Learning Paths

All Learning Paths AI Engineer Context Engineering Vibe Coding Prompt Master AI Builder AI Product Manager Python Basics

AI in Practice

AI Productivity AI Data Analysis AI Finance AI Content Creation AI Image Creation Frontend Development Hermes Agent OpenClaw Local Agent

University Resources

University of Melbourne University of Queensland UNSW Sydney University of Sydney Monash University University of Adelaide RMIT QUT UTS

Kids AI Education

Airbotix — AI Coding for Kids AU Family Resource Hub NAPLAN Report Guide My School Data Guide Sydney Private School Fees 2026 Kids Coding Programs

Immigration Services

Australia Immigration Skilled Visa 189/190/491 Employer Sponsored 482/186/494 Business Visa 188/888 UK Immigration US Immigration Canada Immigration

Enterprise

P3 Career Incubator Enterprise (EN)Corporate Training Internship Partnership Recruitment Partnership Apply for Partnership

Job Application Agent

Job Application Service Job Monitoring LinkedIn Management LinkedIn Networking Learn about P3

Support

FAQs Terms & Conditions Privacy Policy Cancellation & Refund Policy Site map

Top Categories

Web Full-Stack Bootcamp DevOps Bootcamp Data Engineering Bootcamp Data Analysis Bootcamp Coding for Beginners Business Analyst Internship Algorithm Bootcamp

Career Services

BA & PM Internship Data Science Internship Data Analysis Internship Marketing Internship Resume Review Interview Coaching VIP Mentor Guidance

Addresses

Level 10b, 144 Edward Street, Brisbane CBD(Headquarter)

Level 2, 171 La Trobe St, Melbourne VIC 3000

45A13, Block B, Oriental Hope Tianxiang Plaza, 500 Tianfu Avenue Middle Section, Wuhou District, Chengdu, Sichuan, China

Business Hub, 155 Waymouth St, Adelaide SA 5000

Contact

hello@jiangren.com.au 0421-672-555

Disclaimer

ABN 26621887572

CompTIA助理级📚 其他

CompTIA Linux+ (XK0-004)

覆盖 Linux 系统运维、安全加固、自动化脚本和故障排查的中级认证，是目前最主流的 Linux 管理员单考认证，建议有 9-12 个月 Linux 实操经验后备考。

Start Practice Browse Learning Path

Questions per exam

311

Question bank total

90m

Exam Duration

720/900

Passing Score

$358

Exam Fee

What this certification covers

This page is structured for quick scanning first: exam format, fit, prep time, and the actual study scope.

You will work with

Bash ScriptingPythonsystemdLVMRAIDSELinuxAppArmorfirewalldiptablesSSHAnsibleDockerPackage Managementcronjournalctlstracelsof

After preparation

获得 CompTIA Linux+（XK0-004）官方认证，终身有效
具备 Linux 服务器安全加固能力：SELinux/AppArmor 策略、SSH 密钥管理、firewalld 规则配置
能够编写 Bash 自动化脚本处理日常运维任务（用户管理/备份/监控告警）
掌握 LVM 逻辑卷管理、RAID 配置和 systemd 服务管理的实战操作

Exam details

Exam Code

XK0-004

Provider

Computing Technology Industry Association

Duration

90 minutes

Question Count

90 questions

Passing Score

720/900

Validity

3 years

Exam Fee

$358 USD

Question Types

Single choice, Multiple select

Languages

English

Official Page

Open AWS page

Who should take it

Good fit

Linux 系统管理员（Linux Sysadmin）有实操经验但缺认证背书
Cloud Operations Engineer 和 DevOps 工程师日常管理 Linux 服务器
已持有 Network+ 或 Security+ 想扩展 Linux 技能栈的 IT 工程师
希望向 RHCSA（Red Hat 认证）或 LFCS（Linux 基金会认证）方向发展的学习者
Bash/Python 自动化脚本使用者需要系统化 Linux 认证

Before you start

9-12 个月 Linux 服务器实际操作经验（CompTIA 官方建议）
熟练使用 Linux 命令行：文件管理、权限控制、进程管理
基本了解 TCP/IP 网络协议和 SSH 远程管理
有 Bash 脚本编写基础更佳（能读懂 if/for 逻辑）
了解虚拟化基础概念（VM、容器）有帮助

Study preparation

With hands-on AWS

4-6 weeks

From scratch

8-10 weeks

Daily pace

1-2 hours/day

Learning path preview

3 chapters

XK0-004 考试概述与备考指南

45 min

核心知识点

816 min

考前冲刺与实战演练

60 min

Certification comparison

	CompTIA Linux+ XK0-004	CompTIA Cloud+	CompTIA A+ Core 1
Provider	CompTIA	CompTIA	CompTIA
Level	助理级	基础级	助理级
Fee	$358	$369	$358
Duration	90 min	90 min	90 min
Questions per exam	90	90	90
Validity	3 yrs	3 yrs	3 yrs

Study tips and common mistakes

💡

90 题 90 分钟，平均每题 1 分钟，合理分配时间

💡

及格分 720/900，不确定的题先标记跳过，回头再做

💡

排除法非常有用 — 先排掉明显错误的选项，剩下的再分析

💡

多选题会告诉你选几个，仔细看题目要求

⚠️

没有读完所有选项就选答案 — 题目经常有"最佳"答案和"正确但不最佳"的干扰项

⚠️

备考只刷题不理解原理 — 考试场景题需要理解底层概念

⚠️

忽略时间管理 — 在难题上卡太久，导致后面简单题没时间做

Frequently Asked Questions

If you plan to take CompTIA Linux+ XK0-004, start with real practice.

311 questions, chapter-by-chapter learning, mock exams, wrong-question review, and AI tutor support live in the exam page.

Go to exam prep

From $29 · 2 free chapters

Student reviews

Loading reviews…

EXAM PREP