best practice Tests for CompTIA Linux+ Powered by LPI 1 Certification 2021
CompTIA Linux+ LX0-103 Exam validates the competencies required of an early career system administrator supporting Linux systems. Getting certifications make you a preferable candidate for the job as well as increases your importance. They help in showing your commitment towards your aim and dedication towards your work and organization. The IT industry has paced up a lot since last decade and is expected to grow a lot in future. IT related career options continues to be at the top of list in terms of career transitions or skill transitions. This is all because in this technological epoch, a certified professional is valued more than a normal employee who just holds the degree. All the companies, be it an IT company or non-IT company, demand highly skilled and certified professionals at work to increase the efficiency and perfection of the work.
CompTIA Linux+ LX0-103 validates the competencies required of an early career system administrator supporting Linux systems. The new CompTIA Linux+ is for the IT pro who will use Linux to manage everything from cars and smartphones to servers and supercomputers, as a vast number of enterprises use Linux in cloud, cybersecurity, mobile and web administration applications.
In the new CompTIA Linux+ LX0-103, candidates are only required to pass one exam for certification. However, the new certification is no longer eligible for the LPI 2-for-1 offer. CompTIA Linux+ is the only job-focused Linux certification covering the latest foundational skills demanded by hiring managers.
System Architecture 14%
Determine and configure hardware settings.
Enable and disable integrated peripherals
Configure systems with or without external peripherals such as keyboards
Differentiate between the various types of mass storage devices
Know the differences between coldplug and hotplug devices
Determine hardware resources for devices
Tools and utilities to list various hardware information (e.g., Isusb, lspci)
tools and utilities to manipulate USB devices
Conceptual understanding of sysfs, udev, dbus
Boot the system.
Provide common commands to the boot loader and options to the kernel at boot time
Demonstrate knowledge of the boot sequence from BIOS to boot completion
Understanding of SysVinit and systemd
Awareness of Upstart
Check boot events in the log file
Change runlevels/boot targets and shutdown or reboot system.
Set the default runlevel or boot target
Change between runlevels/boot targets including single user mode
Shutdown and reboot from the command line
Alert users before switching runlevels/ boot targets or other major system events
Linux Installation and Package Management 18%
Design hard disk layout.
Allocate filesystems and swap space to separate partitions or disks
Tailor the design to the intended use of the system
Ensure the /boot partition conforms to the hardware architecture requirements for booting
Knowledge of basic features of LVM
Install a boot manager.
Providing alternative boot locations and backup boot options
Install and configure a boot loader such as GRUB Legacy
Perform basic configuration changes for GRUB 2
Interact with the boot loader
Manage shared libraries.
Identify shared libraries
Identify the typical locations of system libraries
Load shared libraries
Use Debian package management.
Install, upgrade and uninstall Debian binary packages
Find packages containing specific files or libraries that may or may not be installed
Obtain package information such as version, content, dependencies, package integrity and installation status (whether or not the package is installed)
Use RPM and YUM package management.
Install, re-install, upgrade and remove packages using RPM and YUM
Obtain information on RPM packages such as version, status, dependencies, integrity and signatures
Determine what files a package provides, as well as find which package a specific file comes from
GNU and Unix Commands 43%
Work on the command line.
Use single shell commands and one line command sequences to perform basic tasks on the command line
Use and modify the shell environment including defining, referencing and exporting environment variables
Use and edit command history
Invoke commands inside and outside the defined path
Process text streams using filters.
Send text files and output streams through text utility filters to modify the output using standard UNIX commands found in the GNU textutils package
Perform basic file management.
Copy, move and remove files and directories individually
Copy multiple files and directories recursively
Remove files and directories recursively
Use simple and advanced wildcard specifications in commands
Use find to locate and act on files based on type, size or time
Usage of tar, cpio and dd
Use streams, pipes and redirects.
Redirecting standard input, standard output and standard error
Pipe the output of one command to the input of another command
Use the output of one command as arguments to another command
Send output to both stdout and a file
Create, monitor and kill processes.
Run jobs in the foreground and background
Signal a program to continue running after logout
Monitor active processes
Select and sort processes for display
Send signals to processes
Modify process execution priorities.
Know the default priority of a job that is created
Run a program with higher or lower priority than the default
Change the priority of a running process
Search text files using regular expressions.
Create simple regular expressions containing several notational elements
Use regular expression tools to perform searches through a filesystem or file content
Perform basic file editing operations using vi.
Navigate a document using vi
Use basic vi modes
Insert, edit, delete, copy and find text
Linux Filesystems and Filesystem Hierarchy Standard 25%
Create partitions and filesystems.
Manage MBR partition tables
Use various mkfs commands to create various filesystems such as: ext2/ext3/ext4, XFS, VFAT
Awareness of ReiserFS and Btrfs
Basic knowledge of gdisk and parted with GPT
Maintain the integrity of filesystems.
Verify the integrity of filesystems
Monitor free space and inodes
Repair simple filesystem problems
Control mounting and unmounting of filesystems.
Manually mount and unmount filesystems
Configure filesystem mounting on bootup
Configure user mountable removeable filesystems
Manage disk quotas.
Set up a disk quota for a filesystem
Edit, check and generate user quota reports
Manage file permissions and ownership.
Manage access permissions on regular and special files as well as directories
Use access modes such as suid, sgid and the sticky bit to maintain security
Know how to change the file creation mask
Use the group field to grant file access to group members
Create and change hard and symbolic links.
Identify hard and/or soft links
Copying versus linking files
Use links to support system administration tasks
Find system files and place files in the correct location.
Understand the correct locations of files under the FHS
Find files and commands on a Linux system
Know the location and propose of important file and directories as defined in the FHS