CompTIA XK0-004: Exam Structure
The CompTIA XK0-004 exam contains a maximum of 90 questions. The question formats that appear in the test are performance-based, multiple response, fill in the blank, and multiple choice. The students have 90 minutes to complete all of these questions. At the present moment, the exam can be taken in English only. The Spanish, Japanese, and Portuguese languages will be available soon. To achieve the passing score, the candidates must have at least 720 points on a scale of 100-900. They should register for and schedule the test through the Pearson VUE website. They have to pay the fee of $338 before completing the registration process. The individuals can sit for the exam online or at one of the Pearson VUE testing centers across the world.
Reference: https://certification.comptia.org/certifications/linux#overview
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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 |
CompTIA XK0-004 Exam: Which Certification Level Is It Associated with?
The CompTIA XK0-004 is a popular exam associated with the Linux+ certification path. Now, the Linux+ is an intermediate-level certificate that validates early career administrators tasked with supporting or managing Linux systems. The current Linux+ curriculum is a unique path in the sense it is the only job-oriented Linux certificate that addresses the latest fundamental skills required by recruiters.
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