best practice Tests for CompTIA Linux+ Powered by LPI 1 Certification 2021
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Practice Tests for CompTIA Linux+ Powered by LPI 1 Certification
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Description
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.
TOPICS
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.
- Create 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
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