CompTIA Linux+ (XK0-004)

(XK0-004) / ISBN: 9781644591147
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CompTIA Linux+ (XK0-004)

Kick start your prep for the CompTIA Linux+ XK0-004 exam with the CompTIA Linux+ Study Guide. The lab is cloud-based, device-enabled, and can easily be integrated with an LMS. CompTIA Linux+ course covers the XK0-004 exam objectives and provides knowledge in areas such as hardware and system configuration; systems operation and maintenance; security, Linux troubleshooting, and diagnostics; and automation and scripting.
Here's what you will get

CompTIA Linux+ certification is a widely recognized vendor-neutral credential. The CompTIA Linux+ XK0-004 exam validates the skills of IT professionals in configuring, monitoring, and supporting the servers running the Linux operating system. The XK0-004 exam has an increased focus on security, kernel modules, storage, visualization, device management at an enterprise level, git, automation, networking, firewalls, and server-side.

Lessons
  • 31+ Lessons
  • 386+ Quizzes
  • 155+ Flashcards
  • 463+ Glossary of terms
TestPrep
  • 90+ Pre Assessment Questions
  • 2+ Full Length Tests
  • 100+ Post Assessment Questions
  • 200+ Practice Test Questions
LiveLab
  • 47+ LiveLab
  • 47+ Video tutorials
  • 53+ Minutes
Here's what you will learn
Download Course Outline
  • Setting Up a Learning Space
  • Exploring Linux Distributions
  • Locating a Terminal
  • Summary
  • What Is a Linux Server?
  • Serving the Basics
  • Serving Local Networks
  • Implementing Security
  • Improving Performance
  • Summary
  • Exam Essentials
  • Handling Files and Directories
  • Linking Files and Directories
  • Reading Files
  • Finding Information
  • Summary
  • Exam Essentials
  • Processing Text Files
  • Redirecting Input and Output
  • Editing Text Files
  • Summary
  • Exam Essentials
  • The Linux Boot Process
  • The Firmware Startup
  • Linux Bootloaders
  • System Recovery
  • Summary
  • Exam Essentials
  • Looking at init
  • Managing systemd Systems
  • Managing SysV init Systems
  • Digging Deeper into systemd
  • Summary
  • Exam Essentials
  • Configuring Network Features
  • Basic Network Troubleshooting
  • Advanced Network Troubleshooting
  • Summary
  • Exam Essentials
  • Focusing on the GUI
  • Serving Up the GUI
  • Using Remote Desktops
  • Forwarding
  • Summary
  • Exam Essentials
  • Understanding Localization
  • Setting Your Locale
  • Looking at Time
  • Summary
  • Exam Essentials
  • Managing User Accounts
  • Managing Groups
  • Setting Up the Environment
  • Querying Users
  • Managing Disk Space Usage
  • Summary
  • Exam Essentials
  • Storage Basics
  • Partitioning Tools
  • Understanding Filesystems
  • Formatting Filesystems
  • Mounting Filesystems
  • Managing Filesystems
  • Storage Alternatives
  • Summary
  • Exam Essentials
  • Understanding Backup Types
  • Looking at Compression Methods
  • Comparing Archive and Restore Utilities
  • Securing Offsite/Off-System Backups
  • Checking Backup Integrity
  • Summary
  • Exam Essentials
  • Working with Source Code
  • Packaging Applications
  • Summary
  • Exam Essentials
  • Exploring Kernel Modules
  • Installing Kernel Modules
  • Removing Kernel Modules
  • Summary
  • Exam Essentials
  • Looking at File and Directory Permissions
  • Access Control Lists
  • Context-Based Permissions
  • Understanding Linux User Types
  • Restricting Users
  • Summary
  • Exam Essentials
  • Getting to Know PAM
  • Exploring PKI Concepts
  • Using SSH
  • Using VPN as a Client
  • Summary
  • Exam Essentials
  • Understanding the Importance of Logging
  • Basic Logging Using rsyslog
  • Journaling with systemd-journald
  • Summary
  • Exam Essentials
  • Providing Access Control
  • Looking at Firewall Technologies
  • Forwarding IP Packets
  • Dynamically Setting Rules
  • Summary
  • Exam Essentials
  • User Security
  • System Security
  • Network Security
  • Summary
  • Exam Essentials
  • Troubleshooting the Network
  • Troubleshooting Storage Issues
  • Troubleshooting the CPU
  • Troubleshooting Memory
  • Surviving a Lost root Password
  • Summary
  • Exam Essentials
  • Looking at Processes
  • Monitoring Processes in Real Time
  • Managing Processes
  • Summary
  • Exam Essentials
  • Troubleshooting Access
  • Examining File Obstacles
  • Exploring Environment and Shell Issues
  • Summary
  • Exam Essentials
  • Communicating with Linux Devices
  • Working with Devices
  • Using Hot Pluggable Devices
  • Summary
  • Exam Essentials
  • Dealing with Storage Problems
  • Uncovering Application Permission Issues
  • Analyzing Application Dependencies
  • Looking at SELinux Context Violations
  • Exploring Firewall Blockages
  • Troubleshooting Additional Hardware Issues
  • Summary
  • Exam Essentials
  • The Basics of Shell Scripting
  • Advanced Shell Scripting
  • Writing Script Programs
  • Summary
  • Exam Essentials
  • Running Scripts in Background Mode
  • Running Scripts Without a Console
  • Sending Signals
  • Job Control
  • Running Like Clockwork
  • Summary
  • Exam Essentials
  • Understanding Version Control
  • Setting Up Your Git Environment
  • Committing with Git
  • Merging Versions
  • Summary
  • Exam Essentials
  • Considering Cloud Services
  • Understanding Virtualization
  • Exploring Containers
  • Exercise
  • Summary
  • Exam Essentials
  • Focusing on VM Tools
  • Understanding Bootstrapping
  • Exploring Storage Issues
  • Considering Network Configurations
  • Summary
  • Exam Essentials
  • Understanding Orchestration Concepts
  • Provisioning the Data Center
  • Looking at Container Orchestration Engines
  • Summary
  • Exam Essentials

Hands on Activities (Live Labs)

  • Installing CentOS
  • Finding Applications that are Providing TCP Network Services
  • Performing Basic File Management
  • Creating a Hard Link
  • Finding Files
  • Using Regular Expressions
  • Using Filters
  • Using Redirection
  • Booting Linux into Single-User Mode
  • Viewing the Boot Messages from the Kernel
  • Finding the System Initialization Method
  • Managing Services with systemctl
  • Finding the Mail Server for a Specified Domain
  • Finding the Network Information
  • Testing Network Connectivity
  • Viewing the Localization Settings for the Linux System
  • Working with Time Zones
  • Managing Users and Groups
  • Using the Who Command
  • Finding Hard Drives on the System
  • Using tar for Backups
  • Using Red Hat Package Management Tools
  • Managing Kernel Modules from the Command Line
  • Changing Permissions on a File
  • Assigning Additional ACLs to a File
  • Exploring SELinux
  • Exploring PAM
  • Viewing the System Logs
  • Using Firewalld
  • Viewing Disk Usage
  • Displaying Process Information
  • Displaying Real-Time System Statistics
  • Watching Stopped Processes
  • Reviewing Account Settings
  • Investigating File Obstacles
  • Making an Inventory of System Devices
  • Investigating RPM App Package Issues
  • Identifying System Hardware
  • Making Simple Batch Files
  • Redirecting Output
  • Creating an Advanced Script
  • Running Scripts in Background Mode
  • Managing Processes
  • Using Git
  • Installing a Virtual Machine
  • Looking at VM Tools
  • Exploring the Contents of the Anaconda file
Exam FAQs
What are the prerequisites for this exam? CompTIA A+, CompTIA Network+ and 12 months of Linux admin experience.
What is the exam registration fee? USD 338
Where do I take the exam? Pearson VUE
How many questions are asked in the exam? The exam contains 90 questions.
What is the duration of the exam? 90 minutes
What is the passing score? 720

(on a scale of 100-900)
What is the exam's retake policy?

In the event that you fail your first attempt at passing the Linux+ examination, CompTIA's retake policies are:

  • If a Candidate has passed an exam (or multiple exams) and achieved a certification, he/she cannot take the exam again, using the same exam code, without prior consent from CompTIA.
  • CompTIA beta examinations may only be taken one time by each candidate.
  • A test found to be in violation of the retake policy will be invalidated and the candidate may be subject to a suspension period. Repeat violators will be permanently banned from participation in the CompTIA Certification Program.
  • Candidates must pay the exam price each time they attempt the exam. CompTIA does not offer any free re-tests or discounts on retakes.
What is the validity of the certification? CompTIA Linux+ certification expires after three years from the date of issue, after which the certification holder will need to renew their certification via CompTIA's Continuing Education Program.
Where can I find more information about this exam? Know more about the XK0-004
What are the career opportunities after passing this exam?
  • Web Administrator
  • Linux Administrator
  • Network Administrator
  • Technical Support Specialist
  • Linux Database Administrator
Customer Testimonials
Anton Bondarev
CompTIA Linux+ XK0-004 from uCertify is a good source to prepare for the exam. The CompTIA Linux+ course is based on the new XK0-004 version of the exam. Looking through the course, I liked the structure of it.

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