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CompTIA Linux+ Exam Certification Details:
| Books / Training | CertMaster Learn for Linux+ |
| Schedule Exam | Pearson VUE CompTIA Marketplace |
| Passing Score | 720 / 900 |
| Exam Name | CompTIA Linux+ |
| Exam Price | $338 (USD) |
| Duration | 90 mins |
| Number of Questions | 90 |
| Sample Questions | CompTIA Linux+ Sample Questions |
| Exam Code | XK0-004 |
CompTIA XK0-004 Exam Syllabus Topics:
| Topic | Details |
|---|---|
Hardware and System Configuration - 21% | |
| Explain Linux boot process concepts. | 1.Boot loaders
2.Boot options
2.File locations
3.Boot modules and files
4.Kernel panic |
| Given a scenario, install, configure, and monitor kernel modules. | 1.Commands
2.Locations
|
| Given a scenario, configure and verify network connection parameters. | 1.Diagnostic tools
2.Configuration files
3.Bonding
|
| Given a scenario, manage storage in a Linux environment. | 1.Basic partitions
2.File system hierarchy
3.Device mapper
4.Tools
5.Location
6.File system types
|
| Compare and contrast cloud and virtualization concepts and technologies. | 1.Templates
2.Bootstrapping
3.Storage
4.Network considerations
5.Types of hypervisors
|
| Given a scenario, configure localization options. | 1.File locations
2.Commands
3.Environment variables
4.Character sets
|
Systems Operation and Maintenance - 26% | |
| Given a scenario, conduct software installations, configurations, updates, and removals. | 1.Package types
2.Installation tools
3.Build tools
4.Repositories
5.Acquisition commands
|
| Given a scenario, manage users and groups. | 1.Creation
2.Modification
3.Deletion
4.Queries
5.Quotas
6.Profiles
7.Important files and file contents
|
| Given a scenario, create, modify, and redirect files. | 1.Text editors
2.File readers
3.Output redirection
4.Text processing
5.File and directory operations
|
| Given a scenario, manage services. | 1.Systemd management
2.SysVinit
|
| Summarize and explain server roles. | 1.NTP 2.SSH 3.Web 4.Certificate authority 5.Name server 6.DHCP 7.File servers 8.Authentication server 9.Proxy 10.Logging 11.Containers 12.VPN 13.Monitoring 14.Database 15.Print server 16.Mail server 17.Load balancer 18.Clustering |
| Given a scenario, automate and schedule jobs. | 1.cron 2.at 3.crontab 4.fg 5.bg 6.& 7.kill 8.Ctrl+c 9.Ctrl+z 10.nohup |
| Explain the use and operation of Linux devices. | 1.Types of devices
2.Monitoring and configuration tools
3.File locations
4.Hot pluggable devices
|
| Compare and contrast Linux graphical user interfaces. | 1.Servers
2.GUI
3.Remote desktop
4.Console redirection
5.Accessibility |
Security - 19% | |
| Given a scenario, apply or acquire the appropriate user and/or group permissions and ownership. | 1.File and directory permissions
2.Context-based permissions
3.Privilege escalation
4.User types
|
| Given a scenario, configure and implement appropriate access and authentication methods. | 1.PAM
2.SSH
3.TTYs
4.PTYs
6.VPN as a client
|
| Summarize security best practices in a Linux environment. | 1.Boot security
2.Additional authentication methods
3.Importance of disabling root login via SSH
5.Chroot jail services
9.Change default ports
11.Importance of enabling SSL/TLS
16.Restrict cron access |
| Given a scenario, implement logging services. | 1.Key file locations
2.Log management
3.lastb |
| Given a scenario, implement and configure Linux firewalls. | 1.Access control lists
2.Technologies
3.IP forwarding
4.Dynamic rule sets
5.Common application firewall configurations
|
| Given a scenario, backup, restore, and compress files. | 1.Archive and restore utilities
2.Compression
3.Backup types
4.Off-site/off-system storage
5.Integrity checks
|
Linux Troubleshooting and Diagnostics - 20% | |
| Given a scenario, analyze system properties and remediate accordingly. | 1.Network monitoring and configuration
2.Storage monitoring and configuration
3.CPU monitoring and configuration
4.Memory monitoring and configuration
5.Lost root password
|
| Given a scenario, analyze system processes in order to optimize performance. | 1.Process management
|
| Given a scenario, analyze and troubleshoot user issues. | 1.Permissions
2.Access
3.Authentication
4.File creation
5.Insufficient privileges for authorization
6.Environment and shell issues |
| Given a scenario, analyze and troubleshoot application and hardware issues. | 1.SELinux context violations 2.Storage
3.Firewall
4.Permission
5.Dependencies
6.Troubleshooting additional hardware issues
|
Automation and Scripting - 14% | |
| Given a scenario, deploy and execute basic BASH scripts. | 1.Shell environments and shell variables
2.#!/bin/bash
5.Extensions
7.File globbing
8.Redirection and piping
10.Metacharacters
13.Conditional statements
14.Escaping characters |
| Given a scenario, carry out version control using Git. | 1.Arguments
2.Files
|
| Summarize orchestration processes and concepts. | 1.Agent 2.Agentless 3.Procedures 4.Attributes 5.Infrastructure automation 6.Infrastructure as code 7.Inventory 8.Automated configuration management 9.Build automation |
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Target audience and recommended experience
If you are an IT professional who needs to gain skills in using Linux to manage everything from smartphones and cars to supercomputers and servers, you will get a lot of benefits from pursuing this pathway.
All the potential candidates should have the relevant knowledge of how to deal with different tasks, such as basic maintenance, networking, configuration and installation of workstations, as well as usage of the Linux command line. Besides that, you need to have the CompTIA A+ and CompTIA Network+ certifications and gain about a year of working as a Linux Administrator.
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Systems Operation and Maintenance
Here, students should be well conversant with the following concepts:
- Comparing and contrasting the graphical user interfaces of a Linux system.
- Conducting software installations, updates, removals, and configurations;
- Explaining the role of Linux devices;
- Creating, modifying, and redirecting files;
- Scheduling and automating jobs;
- Summarizing and explaining server roles like Linux;
- Managing users and groups including query users, disk quotas, and profiles.
- Managing services like Systemd & InitV;
Reference: https://certification.comptia.org/certifications/linux#overview
