CompTIA Linux+ Certification Guide
A comprehensive guide to achieving LX0-103 and LX0-104 certifications with mock exams
- 590 pages
- English
- ePUB (mobile friendly)
- Available on iOS & Android
CompTIA Linux+ Certification Guide
A comprehensive guide to achieving LX0-103 and LX0-104 certifications with mock exams
About this book
Master the concepts and techniques that will help you gain the LX0-103 and LX0-104 certifications on your first attempt
Key Features
- Get a clear understanding of how to achieve the Linux+ certification
- Explore system architecture, shell scripts, data management, and Linux security
- Work through practice and mock tests to pass both LX0-103 and LX0-104 exams
Book Description
Linux+ certification demonstrates technical competency and provides a broad awareness of Linux operating systems. Professionals who have achieved the Linux+ certification exhibit all-important knowledge of installation, operation, administration, and troubleshooting services.
The CompTIA Linux+ Certification Guide is an overview of the certification that gives you insights into the system architecture. You'll understand how to install and uninstall Linux distributions, followed by working with various package managers. Once you've grasped all this, you'll move on to manipulating files and processes at command-line interface (CLI) and creating, monitoring, killing, restarting, and modifying processes.
As you progress, you'll be equipped to work with display managers and learn how to create, modify, and remove user accounts and groups, as well as understand how to automate tasks. The last set of chapters helps you configure dates and set up local and remote system logging. In addition to this, you'll explore different internet protocols, along with discovering network configuration, security administration, Shell scripting, and SQL management.
By the end of this book, you'll not only have got to grips with all the modules using practice questions and mock exams, but you'll also be well prepared to pass the LX0-103 and LX0-104 certification exams.
What you will learn
- Understand the Linux system architecture
- Install, upgrade, and manage Linux system packages
- Configure devices and maintain the Linux filesystem
- Manage the Shell environment, write scripts, and manage data
- Set user interfaces and desktops in the Linux operating system
- Automate system admin tasks and manage essential system services
- Manage SQL server on Linux and log locally and remotely with rsyslogd
- Administer network and local security
Who this book is for
The CompTIA Linux+ Certification Guide is for you if you want to gain the CompTIA Linux+ certificate. This guide is also for system administrators and rookie Linux professionals interested in enhancing their Linux and Shell scripting skills. No prior knowledge of Linux is needed, although some understanding of Shell scripting would be helpful.
Frequently asked questions
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Information
Mock Exam - 1
Questions
- Which of the passwords listed below is considered secured?
B. t%h@)_14!*!
C. 12345678
D. abcdefgh
- Which environment variable stores the current shell?
B. BASH
C. SH
D. TCSH
- Which mount point hold system configuration files?
B. /home
C. /etc
D. /var
- Which command is used to update GRUB2 in Ubuntu?
B. make-grub
C. update-grub-gfxpayload
D. grub2-update
- Which directory is the GRUB configuration files located in Ubuntu 18?
B. /var
C. /etct/grub2/grub/
D. /boot/grub/
- Which characters can be used to test 2 conditions and return TRUE if both conditions are true?
B. ||
C. //
D. ==
- Which character is used in front an equal sign = to ensure a condition is not TRUE in an if clause?
B. !
C. >
D. <
- Which bit must be turned on in order for a script to be able to run?
B. read
C. write
D. read and write
- Which command can be used to modify permissions such as read,write & execute on a file?
B. chmod
C. file
D. whois
- Which value represents RWX permissions for a file?
B. 4
C. 7
D. 1
- Which value represents RW permissions for a file?
B. 4
C. 7
D.1
- Which option can be used with the mysql command to enable the user to pass a command?
B. -e
C. -c
D. -b
- Which option with the timedatectl command can be used to display all the available timezones?
B. --list-time-zones
C. list-timezones
D. list-timezone
- Which character must be placed in front the H when setting the hour using the date command?
B. @
C. $
D. %
- Which option is list used to query for a given package using the rpm command?
B. -q
C. -e
D. r
- Which command can be used to reconfigure a package in an Ubuntu system?
B. dpkg -r
C. dpkg -e
D. dpkg-reconfigure
- Which command can be used to change ownership for a file?
B. chown
C. chwn
D. chmd
- Which keyword is used to sort in descending when performing a query in mysql?
B. DESC
C. descending
D. Descending
- Which of the following command can be used to execute a job 5 minutes from the present?
B. at 5 minutes
C. at tomorrow 5 minutes
D. at next 5minutes
- Which option with the at command can be used to print the job queue?
B. -a
C. -l
D. -e
- What is the name of the cron service in Fedora 28?
B. cron.service
C. cron-daemon.service
D. crond.daemon.service
- Which directory can we place a script if we would like to script to be executed every hour?
B. /etc/cron.hourly/
C. /etc/crond/hourly/jobs
D. /etc/cron/hourly/
- Which command should be used when editing the /etc/sudoers file?
B. visualdo
C. nano
D. vim.tiny
- Which of the following timer values would enable a command to execute every 5 minutes?
B. * 5 * * *
C. * * 5 * *
D. * * * 5 *
- Which option can be used to view the crontab file for the current user?
B. -b
C. -d
D. -l
- Which of the following timer values would enable a command to execute at 5:00 AM every day?
B. * 5 * * *
C. * * 5 * *
D...
Table of contents
- Title Page
- Copyright and Credits
- Packt Upsell
- Contributors
- Preface
- Configuring the Hardware Settings
- Booting the System
- Changing Runlevels and Boot Targets
- Designing a Hard Disk Layout
- Installing a Linux Distribution
- Using Debian Package Management
- Using YUM Package Management
- Performing File Management
- Creating, Monitoring, Killing, and Restarting Processes
- Modifying Process Execution
- Display Managers
- Managing User and Group Accounts
- Automating Tasks
- Maintaining System Time and Logging
- Fundamentals of Internet Protocol
- Network Configuration and Troubleshooting
- Performing Administrative Security Tasks
- Shell Scripting and SQL Data Management
- Mock Exam - 1
- Mock Exam - 2
- Assessment
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