Examers.io
ExamsOrganizationsHow it worksPricingHelp & FAQ
COMPTIA

CompTIA Linux+

XK0-006

CompTIA Linux+ certification validates your ability to manage, secure, automate, and troubleshoot Linux systems in cloud and hybrid environments. It is ideal for Linux systems administrators, systems engineers, and network engineers. Earning this certification demonstrates your capability to support and protect critical Linux platforms.

710 practice questions · Updated 2023-10-01

5Domains
29Objectives
225Concepts
710Questions

XK0-006 Curriculum

Every domain, objective, and concept the XK0-006 exam measures.

Linux basics

10 concepts · 38 questions
  1. Boot Process Overview
  2. BIOS/UEFI Initialization
  3. Boot Loader Function
  4. Kernel Initialization
  5. Init System
  6. Filesystem Mounting
  7. Kernel Role
  8. Filesystem Types
  9. Filesystem Hierarchy Standard
  10. Linux Architectures

Device management

7 concepts · 26 questions
  1. Kernel Module Management
  2. Hardware Component Identification
  3. Device Utility Usage
  4. Kernel Module Configuration
  5. Device Driver Management
  6. Dynamic Device Management
  7. Hardware Monitoring Tools

Storage management

12 concepts · 32 questions
  1. LVM Configuration
  2. RAID Levels
  3. Partition Creation
  4. File System Mounting
  5. Persistent Mounts
  6. LVM Snapshots
  7. RAID Configuration Tools
  8. Partition Types
  9. Mount Options
  10. LVM Resizing
  11. RAID Monitoring
  12. File System Types

Network configuration

7 concepts · 28 questions
  1. Host Configuration
  2. DNS Client Setup
  3. Network Interface Configuration
  4. Static IP Configuration
  5. Dynamic IP Configuration
  6. Network Tools Usage
  7. Network Configuration Files

Shell operations

8 concepts · 14 questions
  1. Directory Navigation
  2. File Editing
  3. Input Redirection
  4. Output Redirection
  5. Piping Commands
  6. Environment Variables
  7. Path Variable Management
  8. Command Substitution

Backups and restores

8 concepts · 26 questions
  1. Archiving Tools
  2. Compression Techniques
  3. Data Recovery Basics
  4. Backup Strategies
  5. Restoration Processes
  6. Incremental and Differential Backups
  7. Automating Backups
  8. Verifying Backups

Virtualization

10 concepts · 27 questions
  1. Hypervisor Types
  2. Hypervisor Installation
  3. Virtual Machine Creation
  4. VM Resource Allocation
  5. Disk Image Management
  6. Snapshot Management
  7. VM Networking
  8. VM Monitoring
  9. VM Migration
  10. Hypervisor Security

Files & directories

7 concepts · 24 questions
  1. File Permissions
  2. Directory Permissions
  3. Ownership Management
  4. Symbolic Links
  5. Hard Links
  6. Special Permissions
  7. Special Files

Account management

9 concepts · 26 questions
  1. User Account Creation
  2. User Account Deletion
  3. User Account Modification
  4. Group Creation
  5. Group Deletion
  6. Group Modification
  7. User and Group Management Tools
  8. User Permissions and Ownership
  9. System Files for User Management

Process control

6 concepts · 27 questions
  1. Process States
  2. Monitoring Processes
  3. Adjusting Process Priorities
  4. Scheduling Jobs with cron
  5. Scheduling Jobs with at
  6. Process Management Tools

Software management

8 concepts · 31 questions
  1. Package Management Tools
  2. Install Packages
  3. Update Packages
  4. Remove Packages
  5. Repository Configuration
  6. Dependency Management
  7. Verify Package Integrity
  8. Rollback Packages

Systems management

6 concepts · 25 questions
  1. Service Management
  2. Service Status
  3. Log File Review
  4. Timer Management
  5. Log Analysis
  6. Service Configuration

Containers

5 concepts · 22 questions
  1. Container Runtime Operation
  2. Image Management
  3. Image Creation
  4. Container Networking
  5. Network Configuration

Auth & accounting

6 concepts · 17 questions
  1. PAM Configuration
  2. LDAP Basics
  3. LDAP Configuration
  4. Kerberos Basics
  5. Kerberos Configuration
  6. Enable Auditing

Firewalls

8 concepts · 18 questions
  1. iptablesBasics
  2. iptablesRuleCreation
  3. nftablesBasics
  4. nftablesRuleCreation
  5. UFWBasics
  6. UFWRuleManagement
  7. ZoneRulesConcept
  8. ZoneRuleConfiguration

OS hardening

8 concepts · 17 questions
  1. File Permissions
  2. Special Permissions
  3. Access Control Lists (ACLs)
  4. Sudo Configuration
  5. Sudoers File
  6. SSH Configuration
  7. SSH Hardening
  8. Firewall Configuration

Account security

7 concepts · 14 questions
  1. Password Policy Configuration
  2. Password Complexity Requirements
  3. Password Expiration and History
  4. Shell Access Restriction
  5. Default Shell Configuration
  6. Multi-Factor Authentication (MFA) Implementation
  7. MFA Tools and Techniques

Cryptography

9 concepts · 35 questions
  1. File Encryption
  2. Symmetric Encryption
  3. Asymmetric Encryption
  4. Hashing Algorithms
  5. Digital Signatures
  6. Certificate Management
  7. Public Key Infrastructure (PKI)
  8. SSL/TLS Certificates
  9. Certificate Authorities

Compliance

7 concepts · 32 questions
  1. Integrity Verification
  2. File Integrity Monitoring
  3. Security Scans
  4. Vulnerability Scanning Tools
  5. Compliance Standards
  6. Configuration Management
  7. Patch Management

Automation

10 concepts · 18 questions
  1. Ansible Basics
  2. Ansible Playbooks
  3. Puppet Basics
  4. Puppet Manifests
  5. CI/CD Tools Overview
  6. CI/CD Pipeline Configuration
  7. Ansible Modules
  8. Puppet Modules
  9. Continuous Integration Concepts
  10. Continuous Deployment Concepts

Shell scripting

10 concepts · 18 questions
  1. Variable Declaration
  2. Variable Scope
  3. String Manipulation
  4. Arithmetic Operations
  5. Conditional Statements
  6. Loop Constructs
  7. Function Definition
  8. Function Parameters
  9. Error Handling
  10. Debugging Techniques

Python basics

7 concepts · 19 questions
  1. Python Environment Setup
  2. Package Management with pip
  3. Understanding Python Data Types
  4. Working with Lists and Tuples
  5. Using Dictionaries and Sets
  6. Writing Basic Python Scripts
  7. Handling Input and Output

Version control

9 concepts · 31 questions
  1. Git Basics
  2. Git Workflows
  3. Branch Management
  4. Commit Management
  5. Merge Conflicts
  6. Tagging in Git
  7. Remote Repositories
  8. Pull Requests
  9. Git Best Practices

AI best practices

5 concepts · 23 questions
  1. Responsible Code Generation
  2. Prompt Engineering Techniques
  3. Bias Mitigation in AI
  4. AI Code Review
  5. AI Tool Selection

System monitoring

7 concepts · 27 questions
  1. System Health Monitoring
  2. Log File Analysis
  3. Event Alert Configuration
  4. Resource Usage Monitoring
  5. Service Status Checks
  6. Network Activity Monitoring
  7. Automated Monitoring Tools

Hardware/storage

8 concepts · 23 questions
  1. Boot Process
  2. GRUB Configuration
  3. Kernel Parameters
  4. Init Systems
  5. Filesystem Mounting
  6. fstab Configuration
  7. Disk Repair Tools
  8. Boot Logs Analysis

Networking

8 concepts · 27 questions
  1. Firewall Configuration
  2. Routing Table Analysis
  3. DNS Resolution
  4. Network Connectivity Testing
  5. Firewall Troubleshooting
  6. Routing Troubleshooting
  7. DNS Troubleshooting
  8. Connectivity Problem Resolution

Security

8 concepts · 21 questions
  1. SELinux Modes
  2. SELinux Contexts
  3. SELinux Troubleshooting
  4. File Permissions
  5. Access Control Lists
  6. Identify Vulnerabilities
  7. Patch Management
  8. Security Auditing

Performance

5 concepts · 24 questions
  1. CPU Utilization Analysis
  2. Memory Usage Analysis
  3. I/O Performance Analysis
  4. Response Time Optimization
  5. Resource Monitoring Tools
Ready to practice?Test your knowledge with exam-style questions or take an intelligent quiz tailored to your level.

Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for XK0-006, so none is invented.