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[Hardware] Exam Dumps 101-500 Provider, Relevant 101-500 Questions

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【Hardware】 Exam Dumps 101-500 Provider, Relevant 101-500 Questions

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Lpi 101-500 (LPIC-1 Exam 101, Part 1 of 2, version 5.0) is an entry-level certification exam for individuals who want to validate their knowledge and skills in Linux administration. 101-500 exam is designed to test the candidate's understanding of essential Linux concepts, such as the Linux command-line interface, file systems, and basic system administration tasks. It is the first of two exams required to obtain the LPIC-1 certification.
What Is LPIC-1 Certification?The LPIC-1 is the first training in the Linux professional certification path that validates your ability to configure basic networks, a computer running Linux, and complete maintenance using the command line. This certificate is intended to reflect the latest concepts and the candidate's ability to manage modern concepts in real-world working environments. Most of the objectives tested on this exam are centered around critical job skills which will determine if you are ready for a career in this field.
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Lpi LPIC-1 Exam 101, Part 1 of 2, version 5.0 Sample Questions (Q33-Q38):NEW QUESTION # 33
When booting from the hard disk, a computer successfully loads the Linux kernel and initramfs but hangs during the subsequent startup tasks. The system is booted using a Linux based rescue CD to investigate the problem. Which of the following methods helps to identify the root cause of the problem?
  • A. Using the dmesgcommand from the rescue CD's shell to view the original system's boot logs.
  • B. Rebooting again from the hard drive since the system successfully booted from the rescue CD.
  • C. Investigating the file /var/log on the computer's hard disk for possible errors.
  • D. Using chrootto switch to the file system on the hard disk and use dmesgto view the logs.
  • E. Investigating the file /proc/kmsg on the computer's hard disk for possible errors.
Answer: C

NEW QUESTION # 34
Which of the following commands instructs SysVinit to reload its configuration file?
  • A. telinit 7
  • B. reinit
  • C. init reinit
  • D. telinit q
  • E. initreload
Answer: D
Explanation:
Explanation
SysVinit is a program for Linux and Unix-based systems that initializes the system and spawns all other processes. It runs as a daemon and has PID 1. The boot loader starts the kernel and the kernel starts SysVinit.
A Linux or Unix based system can be started up into various runlevels, which are modes of operation that define what services and processes are running. The /etc/inittab file is the configuration file for SysVinit, which defines the default runlevel, the available runlevels, and the actions to be taken when entering or leaving a runlevel.
The telinit command is used to change the current runlevel of the system or to send a signal to SysVinit. The telinit command takes a single argument, which can be either a runlevel number (0-6) or a special character.
The syntax of the telinit command is:
telinit [runlevel|character]
The runlevel argument instructs SysVinit to switch to the specified runlevel. For example, to switch to runlevel 3, which is the multi-user mode with networking, use the following command:
telinit 3
The character argument instructs SysVinit to perform a special action. For example, to reboot the system, use the following command:
telinit 6
The q character argument instructs SysVinit to reload its configuration file, /etc/inittab, without changing the current runlevel. This is useful when the /etc/inittab file has been modified and the changes need to be applied.
For example, to reload the /etc/inittab file, use the following command:
telinit q
The other options are not correct because:
* A. reinit: This command does not exist in the Linux system. There is no such command as reinit in the Linux documentation or the man pages.
* B. initreload: This command does not exist in the Linux system. There is no such command as initreload in the Linux documentation or the man pages.
* C. telinit 7: This command is not valid because 7 is not a valid runlevel number. The valid runlevel numbers are 0-6, where 0 means halt, 1 means single-user mode, 2 means multi-user mode without networking, 3 means multi-user mode with networking, 4 means user-defined, 5 means graphical mode, and 6 means reboot. If you run this command, you will get an error message saying:
telinit: invalid runlevel: 7
* E. init reinit: This command is not valid because reinit is not a valid argument for the init command. The init command is a synonym for the telinit command, and it takes the same arguments as the telinit command. The valid arguments for the init command are either a runlevel number (0-6) or a special character. If you run this command, you will get an error message saying:
init: invalid runlevel: reinit
References:
* SysVinit - ArchWiki
* telinit(8) - Linux manual page
* Linux Init RunLevels Explained - nixCraft

NEW QUESTION # 35
Which of the following commands list all files and directories within the /tmp/ directory and its subdirectories which are owned by the user root? (Choose two.)
  • A. find -path /tmp -user root -print
  • B. find /tmp -user root
  • C. find -path /tmp -uid root
  • D. find /tmp -uid root -print
  • E. find /tmp -user root -print
Answer: B,E
Explanation:
The find command can be used to search for files and directories that match certain criteria, such as ownership, permissions, size, type, name, etc. The syntax of the find command is:
find [options] [path...] [expression]
The options can modify the behavior of the find command, such as how to handle symbolic links, how to optimize the search, or how to enable debugging. The path argument specifies the starting point of the search, which can be one or more directories. The expression argument consists of one or more tests, actions, and operators that are applied to each file or directory that is found.
The -user test matches files or directories that are owned by a given user. The user can be specified by name or by numeric user ID (UID). The -print action prints the full file name of the matching file or directory on the standard output, followed by a newline. If no action is specified, -print is assumed by default.
Therefore, to list all files and directories within the /tmp/ directory and its subdirectories which are owned by the user root, we can use either of the following commands:
* find /tmp -user root -print
* find /tmp -user root
Both commands will search recursively from the /tmp/ directory and print the full file names of the files or directories that are owned by the user root. The -print action is optional in this case, since it is the default action.
The other commands are incorrect for the following reasons:
* find -path /tmp -uid root : The -path test matches files or directories whose full file name matches the given pattern. This command will not search recursively from the /tmp/ directory, but only match files or directories whose name is exactly /tmp. The -uid test is equivalent to the -user test, but it requires a numeric UID instead of a user name. This command will not match any files or directories, unless there is a file or directory named /tmp that is owned by the user with UID root (which is usually 0).
* find -path /tmp -user root -print : This command has the same problem as the previous one. It will not search recursively from the /tmp/ directory, but only match files or directories whose name is exactly
/tmp and are owned by the user root. This command will not match any files or directories, unless there is a file or directory named /tmp that is owned by the user root.
* find /tmp -uid root -print : This command will search recursively from the /tmp/ directory, but it will use the -uid test instead of the -user test. The -uid test requires a numeric UID instead of a user name.
This command will match files or directories that are owned by the user with UID root (which is usually 0), but it will not match files or directories that are owned by other users who have the same user name as root (such as root2 or root3).
:
find(1) - Linux manual page - man7.org
How to Use the find Command in Linux - How-To Geek
find command in Linux with examples - GeeksforGeeks
find | Microsoft Learn
Linux Find Command Help and Examples - Computer Hope

NEW QUESTION # 36
What is true regarding the configuration of yum? (Choose two.)
  • A. The configuration of package repositories can be divided into multiple files
  • B. Repository configurations can include variables such as $basearch or $releasever
  • C. Changes to the yum configuration become active after restarting the yumd service
  • D. In case /etc/yum.repos.d/ contains files, /etc/yum.conf is ignored
  • E. Changes to the repository configuration become active after running yum confupdate
Answer: A,B
Explanation:
Explanation
The configuration of yum can be divided into multiple files, and repository configurations can include variables such as $basearch or $releasever. The main configuration file for yum is /etc/yum.conf, which contains the global options for yum and can also define repositories in the [repository] sections. However, it is recommended to define individual repositories in separate files in the /etc/yum.repos.d/ directory, which can be easier to manage and maintain. Each file in this directory should have a .repo extension and contain one or more [repository] sections with the repository name, URL, and other options12. Repository configurations can use yum variables to dynamically set values for certain options, such as the baseurl or the enabled. Yum variables are enclosed in curly braces and start with a dollar sign, such as {$basearch} or {$releasever}. These variables are replaced by their actual values at runtime, based on the system architecture, the operating system version, or other factors. Some of the common yum variables are34:
* $basearch: The base architecture of the system, such as x86_64, i386, or arm.
* $releasever: The release version of the operating system, such as 7, 8, or 9.
* $arch: The exact architecture of the system, such as x86_64, i686, or armv7hl.
* $uuid: A unique identifier for the system, generated by the product-id plugin.
* $YUM0-$YUM9: Custom variables that can be set by the user in the /etc/yum/vars/ directory or the
/etc/yum.conf file.
The other options are false or irrelevant. There is no yum confupdate command or yumd service, and changes to the yum configuration become active immediately after saving the files. The /etc/yum.conf file is not ignored if the /etc/yum.repos.d/ directory contains files, but the repository options in the /etc/yum.conf file can be overridden by the options in the .repo files. References:
* Linux Essentials - Linux Professional Institute Certification Programs1
* Exam 101 Objectives - Linux Professional Institute2
* How to Use Yum Variables to Enhance your Yum Experience - Red Hat ...3
* Yum Variables - CentOS4

NEW QUESTION # 37
SIMULATION
In the vi editor, what vi command will copy (but not paste) from the current line at the cursor and the following 16 lines (17 lines total)? Specify the correct vi command without spaces.
Answer:
Explanation:
17yy

NEW QUESTION # 38
......
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