📘 CompTIA Linux+ (XK0-005) Exam Overview and Study Objectives

The  CompTIA Linux+ certification (XK0-005) is designed for early-career Linux administrators. This exam validates the essential skills needed to manage, secure, and troubleshoot Linux systems in a professional environment. 

 

 🧾 Exam Overview 

 

 

 

 Field 

 Details 

 

 

 

 

 Exam Code 

 XK0-005 

 

 

 Launch Date 

 July 12, 2022 

 

 

 Format 

 Multiple-choice and performance-based 

 

 

 Max Questions 

 90 

 

 

 Time Limit 

 90 minutes 

 

 

 Passing Score 

 720 (on a scale of 100–900) 

 

 

 Recommended Experience 

 1 year of hands-on Linux admin experience; familiarity with A+, Net+, or Server+ 

 

 

 Languages Available 

 English, Japanese, Portuguese, Spanish 

 

 

 Test Provider 

 Pearson VUE 

 

 

 

 

 📚 Domains & Objective Breakdown 

 1. System Management (32%) 

 

 

 Understand Linux fundamentals and the Filesystem Hierarchy Standard (FHS) 

 

 

 Manage files, directories, and permissions 

 

 

 Configure local storage and partitions 

 

 

 Build and install software from source 

 

 

 Use services and process management tools 

 

 

 Network configuration and troubleshooting 

 

 

 2. Security (21%) 

 

 

 Implement security best practices and access control 

 

 

 Identity and user management 

 

 

 Firewall configuration (e.g., firewalld , iptables ) 

 

 

 Secure remote management (e.g., SSH) 

 

 

 File integrity, auditing, and hardening practices 

 

 

 3. Scripting, Containers, and Automation (19%) 

 

 

 Create and run shell scripts for task automation 

 

 

 Basic container usage and management (e.g., Docker) 

 

 

 Git basics for version control 

 

 

 Infrastructure-as-Code concepts 

 

 

 Understand orchestration tools and container lifecycle 

 

 

 4. Troubleshooting (28%) 

 

 

 Diagnose and fix: 

 

 

 Storage issues (mounts, space, permissions) 

 

 

 Network problems (DNS, IP config, services) 

 

 

 CPU and memory bottlenecks 

 

 

 User access or file permission issues 

 

 

 

 

 Use tools like top , htop , journalctl , and systemctl for diagnostics 

 

 

 

 📥 Official Objectives PDF 

 You can download the official exam objectives directly from CompTIA: 

 🔗 CompTIA Linux+ XK0-005 Objectives (PDF)