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CertificationsCompTIALX0-104
CompTIA助理级其他

CompTIA Linux+ (LX0-104)

CompTIA Linux+/LPIC-1 第二门考试(Exam 102),侧重 Bash 脚本、网络配置、SSH 安全和 cron 任务调度,配合 LX0-103 可获 LPIC-1 双认证。

Try the first chapter freePractice questions
60
Official exam questions
90 min
Exam duration
500/800
Passing score
JR ACADEMY / CERTIFICATION PREP

JR Academy practice bank

77practice questions
Build your foundation3 learning chapters
Practice with purposeFocused practice · answer explanations
Test your readinessMock exams · review

77 practice questions available

OverviewLearning pathFAQReviews
01

Understand the certification

认证概述

CompTIA Linux+(LX0-104)是 LPIC-1(Linux Professional Institute Certification Level 1)的第二门考试,对应 LPI Exam 102。如果说 LX0-103 打牢了 Linux 命令行基础,那 LX0-104 就是把这些基础用起来:写 Bash 脚本自动化运维任务、配置 SSH 无密码登录、管理用户账户和 cron 计划任务、以及排查网络连通性问题。通过 LX0-103 + LX0-104 后可同时获得 CompTIA Linux+ 和 LPIC-1 双重认证,在 Linux 运维岗位上有显著竞争优势。

考试领域

  • Shell 脚本与数据管理(Shell Scripting and Data Management):Bash 变量、条件判断(if/case)、循环(for/while/until)、函数、SQL 基础查询
  • 用户界面与桌面(User Interfaces and Desktops):X11 架构与配置、桌面环境(GNOME/KDE)安装、显示管理器(GDM/SDDM)
  • 管理任务(Administrative Tasks):用户与组账户管理(useradd/usermod/groupadd)、cron 和 at 计划任务、本地化与时区设置
  • 网络基础(Networking Fundamentals):TCP/IP 配置(ip/ifconfig)、路由表管理、DNS 客户端(/etc/resolv.conf)、网络故障排查(ping/traceroute/netstat/ss)
  • 安全(Security):SSH 密钥认证配置、iptables 防火墙规则、GPG 数据加密与签名、主机安全加固

适合人群

已通过或正在备考 LX0-103 的学习者,目标是完成完整 LPIC-1 认证。Linux 系统管理员日常需要写脚本自动化任务、配置网络和管理用户权限的 IT 工程师,这门考试验证的正是这类实际工作能力。

Exam at a glance

Exam code
LX0-104
Provider
CompTIA
Format
Single choice / Multiple select
Language
English
Validity
3 years
Exam fee
$349
Official certification page

Skills in focus

Bash ScriptingSSHiptablesGPGcronX11useradd/usermodTCP/IPDNSnetstat/ssip/ifconfigSQL BasicsPostfix/sendmail basicsGPG Encryption

Learning outcomes

  • 具备编写 Bash 自动化脚本的实战能力:变量/条件/循环/函数/管道综合运用
  • 掌握 Linux 网络配置和故障排查:IP 配置、路由管理、DNS 客户端设置
  • 能够配置 SSH 密钥认证、iptables 防火墙规则和 GPG 文件加密
  • 熟练管理 Linux 用户账户、组权限和 cron/at 计划任务
  • 完成 LX0-103 + LX0-104 双认证,获得 CompTIA Linux+ 和 LPIC-1 官方背书

Who this is for

  • 已通过或正在备考 LX0-103、目标完成 LPIC-1 双认证的学习者
  • Linux 系统管理员需要掌握 Bash 脚本自动化和网络配置的工程师
  • 运维工程师希望系统化掌握 SSH 安全配置和 cron 任务调度
  • DevOps 工程师需要 Linux 网络排查和用户权限管理技能认证背书

Before you start

  • 已完成 LX0-103 或掌握等同的 Linux 基础知识(文件系统、命令行、包管理)
  • 熟悉 Linux 文件权限(chmod/chown)和用户账户基本管理
  • 了解 TCP/IP 网络基础(IP 地址/子网/网关概念)
  • 有基本 Bash 脚本接触经验(能理解变量和简单循环)更佳
02

Your learning path

3 chapters

01LX0-104 考试概述与备考指南Free02核心知识点Free03考前冲刺与实战演练60 min
View the full learning path

Plan your preparation

Learning hours
20h
With relevant experience
4-6 weeks
Starting from scratch
8-10 weeks
Daily study
1-2h

Included in your preparation

  • 覆盖网络基础、Shell 脚本、管理任务、安全(SSH/iptables/GPG)和用户界面五大核心领域
  • 77+ 精选练习题,侧重 Bash 脚本阅读、网络故障排查和 SSH 配置实操场景
  • 仿真模拟考试(60 题/90 分钟),及格线 500/800,还原 LX0-104/LPIC-1 102 真实难度
  • 错题本智能推送,重点强化 Shell 脚本(最难考点)和网络配置
  • 与 LX0-103 合计通过后,可同时获得 CompTIA Linux+ 和 LPIC-1 双认证

Preparation tips

  • 60 题 90 分钟,平均每题 2 分钟,合理分配时间
  • 及格分 500/800,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

Common mistakes

  • 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
03

Before you register

What core topics does the LX0-104 exam cover?

LX0-104 corresponds to LPIC-1 Exam 102 and covers: Shell scripting and data management (Bash scripting, SQL basics), User interfaces and desktops (X11 configuration), Administrative tasks (user account management, cron scheduling), Network fundamentals (TCP/IP configuration, DNS, troubleshooting), and Security (iptables, SSH, GPG).

Do I need to take LX0-104 and LX0-103 together?

The two exams can be taken separately in any order. However, to earn the full LPIC-1 / CompTIA Linux+ certification, both LX0-103 and LX0-104 must be passed within a five-year validity period. It is recommended to take 103 (system fundamentals) first, then 104 (networking and security).

How difficult is the Shell scripting section in LX0-104?

Shell scripting is both a key focus and the most challenging part of LX0-104. The exam requires knowledge of Bash variables, conditionals (if/case), loops (for/while), and functions. You do not need to write very complex scripts, but you should be able to read and write basic automation scripts. Practice extensively in the terminal.

How much of the exam covers networking topics?

Network fundamentals is a significant domain in LX0-104. You need to master TCP/IP basics, network interface configuration (ifconfig/ip), routing tables, DNS client configuration (/etc/resolv.conf), and basic troubleshooting tools (ping, traceroute, netstat).

How should I effectively prepare for the LX0-104 exam?

Focus on mastering Shell scripting and network configuration. Practice writing Bash scripts, configuring network parameters, and setting up SSH key authentication in a real Linux environment. Use this bank of 77+ practice questions to solidify your knowledge, keeping in mind the 60-question/90-minute exam pace with a passing score of 500/800.

04

Learner experiences

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