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Premium File 268 Questions & Answers

Last Update: Oct 19, 2021

Training Course 573 Lectures

Study Guide 1322 Pages

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XK0-004 Exam Facts

CompTIA XK0-004 is a certification exam that checks the expertise of the professionals in working with Linux. It focuses on setting, supporting, and monitoring servers running the Linux operating system. Furthermore, the test covers kernel modules, security, virtualization, storage, automation, and git. Besides that, it assesses the applicants’ knowledge of device management at an enterprise level, networking, and firewalls. In addition, the exam gives attention to server side, command line, server (vs. client-based) coverage, SELinux, and troubleshooting. Those individuals who ace this qualifying exam will get the CompTIA Linux+ certification.

Requirements

The students should be familiar with best practices for permissions and authentication, firewalls, and file management. Furthermore, they need to possess the relevant skills in setting network parameters, storage, kernel modules, and Cloud and virtualization technologies. Moreover, the applicants should have a comprehension of job scheduling and server roles as well as the use and operation of Linux devices. CompTIA recommends that the specialists have 1 year of Linux admin experience.

Exam Overview

CompTIA XK0-004 is a timed exam that has the duration of 1.5 hours. Within this time frame, the test takers will have to deal with a maximum of 90 questions. The pass mark is 720 points on a scale of 100-900. The basic exam fee is $338. The test can be taken in Portuguese, Japanese, English, and Spanish.

The XK0-004 certification exam comes with five domains. Here are the highlights of them:

Hardware & System Configuration: The first subject area covers:

  • Explaining the concepts of the Linux boot process. It comprises boot options, boot loaders, kernel panic, and file locations as well as boot files and modules
  • Installing, setting, and monitoring kernel modules
  • Setting and verifying the parameters of network connection
  • Working with storage in the Linux environments
  • Comparing virtualization and Cloud technologies and concepts
  • Setting localization options

Systems Operation & Maintenance: This section is revolved around:

  • Conducting software installations and configurations as well as removals and updates
  • Managing users and groups. It covers modification, creation, deletion, profiles, quotas, queries, and important files and file contents
  • Creating, modifying, and redirecting files
  • Working with services
  • Explaining server roles. It includes Secure Shell, Network Time Protocol, certificate authority, Web, Dynamic Host Configuration Protocol, name server, authentication server, logging, and file servers. Furthermore, it comprises proxy, Virtual Private Network, containers, database, monitoring, load balancer, clustering, mail server, and print server
  • Scheduling and automating jobs
  • Explaining the use and operation of Linux devices. It covers such types of devices as Bluetooth, client devices, WiFi, monitors, USB, GPIO, PCI, network adapters, HBA, SCSI, SATA, audio, video, and printers
  • Comparing Linux graphical user interfaces

Security: This part concentrates on:

  • Applying the relevant user and/or group ownership and permissions
  • Setting and implementing the relevant authentication and access methods
  • Summarizing security best practices in a Linux environment
  • Implementing logging services
  • Implementing and setting Linux firewalls
  • Backup, compressing, and restoring, files

Linux Diagnostics & Troubleshooting: This topic evaluates the expertise of the specialists in:

  • Analyzing the system properties as well as remediating accordingly
  • Analyzing the system processes for optimizing performance
  • Analyzing and troubleshooting the user issues
  • Analyzing and troubleshooting the application and hardware issues

Scripting & Automation: The last module requires that the test takers know about:

  • Deploying and executing the basic BASH scripts. It covers shell variables and shell environments, file and directory permissions, sourcing scripts, commenting, #!/bin/bash, extensions, and shell expansions. In addition, it includes file globbing, exit codes, piping and redirection, positional parameters, escaping characters, metacharacters, looping constructs, and conditional statements
  • Carrying out version control using Git
  • Summarizing orchestration concepts and processes. It comprises agentless, agent, attributes, procedures, infrastructure automation, infrastructure as code, build automation, automated configuration management, and inventory

Preparation Options

Different study materials are available for those individuals who want to prepare for the CompTIA XK0-004 test. The following are some of them:

  • Exam Blueprint

    First of all, you can give attention to the exam blueprint. This document comes with an overview of the domains that are entailed in the test. Besides that, it includes a list of acronyms for the exam. You can utilize it to get conversant with the test as well as realize your knowledge and skill gaps and determine what subject areas you need to concentrate on during preparation. All in all, the blueprint is a tool to begin one’s preparation process.

  • CertMaster Practice for Linux+

    This is a training companion that contains knowledge reviews and intelligent eLearning tools. It focuses on utilizing and working with SQL data, shell environment, and simple scripts, utilizing the command line for creating, managing, and modifying files and processes, configuring hardware settings, and working with users, groups, system files, task automation, and localization. Furthermore, it covers managing and setting X11, display managers, and accessibility features as well as working with disk layouts, shared libraries, various packages, and booting. In addition, it comprises of setting up host security, security administration tasks, data encryption, and setting and troubleshooting the basic networks in Linux.

  • Study Guide

    This book is designed for self-preparation and takes a look at carrying basic Linux tasks and securing Linux systems as well as planning and performing Linux installation and writing and executing Bash shell scripts. Moreover, this guide is about managing users and groups, permissions and ownership, Linux boot process, and system components. Besides that, it covers working with storage, files, directories, kernel modules, devices, networking, software, and packages.

Career Opportunities

As mentioned earlier, the professionals who pass CompTIA XK0-004 will earn the related certification. This certificate can be used for different job roles. Some of them include a Network Administrator, a Linux Administrator, a Web Administrator, a Technical Support Specialist, a Network Engineer, a Systems Engineer, and a Systems Administrator, among others. As reported by the PayScale website, the average salary for the Technical Support Specialists is $52,000 per annum. At the same time, the median remuneration outlook for the Systems Engineers is $75,000 per year. On the other hand, there are many factors that can affect the actual salary. They are one’s experience, competence, hiring company, specific responsibilities, and so on.

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