CompTIA Linux+ (XK0-004)

(pearson-XK0-004-complete) / ISBN: 9781644591390
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CompTIA Linux+ (XK0-004)

The CompTIA Linux+ XK0-004 Cert Guide comes with various interactive learning resources to help you pass the XK0-004 exam. Lab simulates real-world, hardware, software, and command-line interface environments and can be mapped to any text-book, course, or training. This online assessment engine enables you to access practice tests on any desktop, laptop, tablet, or smartphone device with internet connectivity.
Here's what you will get

To gain the CompTIA Linux+ certification, professionals are required to pass the XK0-004 exam. This exam's objectives include hardware and system configuration; systems operation and maintenance; security, troubleshooting and diagnostics; and automation and scripting. Once you are CompTIA certified, you will gain new career opportunities.

Lessons
  • 30+ Lessons
  • 291+ Quizzes
  • 236+ Flashcards
  • 241+ Glossary of terms
TestPrep
  • 89+ Pre Assessment Questions
  • 2+ Full Length Tests
  • 90+ Post Assessment Questions
  • 180+ Practice Test Questions
Lab
  • 48+ Performance lab
Here's what you will learn
Download Course Outline
  • Goals and Methods
  • The Linux+ Domains and Objectives
  • How This Course Maps to the Exam Objectives
  • What’s New?
  • Who Should Read This Course?
  • Strategies for Exam Preparation
  • Hardware and Linux Installation
  • Summary
  • Software in a Linux System
  • Installing Software from Source
  • Packages and Package Managers
  • RPM and YUM Package Management
  • Summary
  • Review All Key Topics
  • What Is Virtualization?
  • Types of Virtualization/Hypervisors
  • Bootstrapping VMs
  • Template Formats
  • Virtualization Storage
  • Networking Considerations
  • Summary
  • Review All Key Topics
  • The Linux Boot Process
  • Boot Loaders and Files
  • When Kernels Panic
  • Summary
  • Review All Key Topics
  • systemd
  • Down Memory Lane with SysVinit
  • Summary
  • Review All Key Topics
  • Managing Processes
  • Sending Signals to Processes
  • Job Control
  • Managing Process Priorities
  • Leaving Programs Running After Logout
  • Summary
  • Review All Key Topics
  • File and Directory Operations
  • Working with Input/Output Streams
  • Summary
  • Review All Key Topics
  • Reading File Contents
  • Filters
  • A Tour of the vim Editor
  • nano, nano
  • Summary
  • Review All Key Topics
  • Working with Permissions
  • Manipulating Permissions
  • Special File Permissions
  • Finding Files by Permission
  • Access Control Lists
  • Understanding Permission Problems
  • Default Permissions
  • Changing User Ownership
  • Changing Group Ownership
  • User Privilege Escalation
  • Summary
  • Review All Key Topics
  • SELinux Configurations
  • SELinux Contexts
  • AppArmor
  • Summary
  • Review All Key Topics
  • Archive and Restore Utilities
  • Compression Tools
  • Backing Up Is Hard to Do
  • Off-Site/Off-System Storage
  • Integrity Checks
  • Summary
  • Review All Key Topics
  • User Account Fundamentals
  • Group Accounts
  • Adding Users and Groups
  • Modifying Users and Groups
  • Removing Users and Groups
  • The Shadow Suite
  • Changing Passwords
  • Summary
  • Review All Key Topics
  • Pluggable Authentication Modules (PAMs)
  • Secure Shell
  • Terminals PTY/TTY
  • Public Key Infrastructure
  • Using TCP Wrappers for Securing Services
  • Virtual Private Network (VPN) Clients
  • Summary
  • Review All Key Topics
  • System Logging
  • Summary
  • Review All Key Topics
  • Understanding Linux Hardware
  • Managing Printers and Printing
  • Linux Graphical User Interfaces
  • Accessibility Options
  • Remote Desktop
  • Summary
  • Review All Key Topics
  • Storage Monitoring and Configuration
  • CPU Monitoring and Configuration
  • Memory Monitoring and Configuration
  • Troubleshooting Additional Hardware Issues
  • Summary
  • Review All Key Topics
  • Understanding Kernel Modules
  • Managing Kernel Modules
  • The modprobe Command
  • Summary
  • Review All Key Topics
  • Basic Partitions
  • Filesystem Hierarchy
  • Device Mapper
  • Filesystem Types
  • Summary
  • Review All Key Topics
  • Disk Partitioning Tools
  • Managing LVM
  • Managing Software RAID
  • Creating Filesystems
  • Advanced Filesystem Commands
  • Mounting and Unmounting
  • Space Utilization
  • Summary
  • Review All Key Topics
  • Conceptual Overview of Networking
  • Managing Interfaces
  • Network Configuration Utilities
  • Bonding
  • Summary
  • Review All Key Topics
  • Key Network Troubleshooting Concepts
  • Network Troubleshooting Tools
  • Summary
  • Review All Key Topics
  • The iptables Command
  • Additional Firewall Technologies
  • Summary
  • Review All Key Topics
  • Automation and Orchestration
  • Summary
  • Review All Key Topics
  • Job Control
  • Leaving Programs Running After Logout
  • The cron System
  • Running ad hoc Jobs
  • Summary
  • Review All Key Topics
  • Time Zones
  • Character Encoding
  • Representing Locales
  • Review All Key Topics
  • Basics of Scripting
  • Shell Script Commands
  • Review All Key Topics
  • Version Control Concepts
  • Git Concepts and Features
  • Handling Branches
  • Executing Diffs
  • Merging Files
  • Review All Key Topics
  • Server Types
  • Server Features
  • Summary
  • Review All Key Topics
  • Host Security Best Practices
  • Authentication Security Best Practices
  • Service Security Best Practices
  • Banners
  • Summary
  • Review All Key Topics

Hands on Activities (Performance Labs)

  • Installing CentOS
  • Using Red Hat Package Management Tools
  • Investigating RPM App Package Issues
  • Installing a Virtual Machine
  • Looking at VM Tools
  • Exploring the Contents of the Anaconda file
  • Booting Linux into Single-User Mode
  • Creating an RAM Disk
  • Managing Services with systemctl
  • Finding the System Initialization Method
  • Managing Processes
  • Watching Stopped Processes
  • Displaying Process Information
  • Sending a Job to the Background
  • Creating a Hard Link
  • Performing Basic File Management
  • Exploring a File System
  • Using Regular Expressions
  • Using Filters
  • Using Redirection
  • Changing Permissions on a File
  • Finding Files
  • Assigning Additional ACLs to a File
  • Investigating File Obstacles
  • Exploring SELinux
  • Using tar for Backups
  • Reviewing Account Settings
  • Managing Users and Groups
  • Using usermod to Lock an Account
  • Exploring PAM
  • Viewing the System Logs
  • Making an Inventory of System Devices
  • Viewing Disk Usage
  • Identifying System Hardware
  • Managing Kernel Modules from the Command Line
  • Creating a Physical Volume, Volume Group, Logical Volume, and File Systems
  • Creating Partitions and Filesystems
  • Finding Applications that are Providing TCP Network Services
  • Finding the Network Information
  • Understanding Network Configuration on CentOS
  • Using Firewalld
  • Running Scripts in Background Mode
  • Working with Time Zones
  • Using the timedatectl Command to Set the System Time
  • Creating an Advanced Script
  • Making Simple Batch Files
  • Redirecting Output
  • Using Git
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 329
Where do I take the exam? Pearson VUE
What is the format of the exam? Performance-based, Multiple Choice (Single Response), Multiple Response and Fill-in-the-Blank
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 validity of the certification? Three years
Where can I find more information about this exam? To know more about the XK0-004, click here.
What are the career opportunities after passing this exam?
  • Systems Administrator
  • Cyber Security Engineer
  • Linux System Administrator
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