[May 13, 2024] Get Latest and 100% Accurate 101-500 Exam Questions
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Passing the Lpi 101-500 exam demonstrates that an individual has the knowledge and skills to perform basic Linux tasks such as installing and configuring a workstation, connecting it to a LAN, and performing basic maintenance. LPIC-1 Exam 101, Part 1 of 2, version 5.0 certification is a valuable asset for individuals who are looking to start a career in Linux administration, as it validates their skills and knowledge in the field.
NEW QUESTION # 125
Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)
- A. /var/tmp/
- B. /var/tmp/
- C. A
- D. /tmp
- E. tmp,
Answer: C
Explanation:
Explanation
The world-writable directory that should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem is /tmp. This directory is used by applications and users to store temporary files, and it is world-writable by default. By creating a separate partition for /tmp, the amount ofspace available to users is limited, and the root filesystem is protected from being filled up by temporary files1.
To create a separate partition for /tmp, you can use the fdisk or parted command to create a new partition on the disk. Once the partition is created, you can format it with a filesystem such as ext4, and then mount it to the /tmp directory using the mount command. Finally, you can modify the /etc/fstab file to ensure that the partition is mounted automatically at boot time1. Here is an example of the steps to create a separate partition for /tmp:
After completing these steps, the /tmp directory will be mounted on a separate partition, and users will be limited in the amount of space they can use for temporary files.
References:
* LFCS: Linux World-Writable Directory Partitioning
NEW QUESTION # 126
What do the permissions -rwSr-xr-x mean for a binary file when it is executed as a command?
- A. The execute flag is not set for the owner. Therefore the SetUID flag is ignored.
- B. The command will be executed with the effective rights of the owner and group.
- C. The command is SetUID and it will be executed with the effective rights of the owner.
- D. The command will be executed with the effective rights of the group instead of the owner.
Answer: A
NEW QUESTION # 127
Which of the following shell redirections will write standard output and standard error output to a file named filename?
- A. >>filename
- B. >filename 2>&1
- C. 1>&2>filename
- D. 1&2>filename
- E. 2>&1 >filename
Answer: B
Explanation:
Explanation
The shell redirection that will write standard output and standard error output to a file named filename is
>filename 2>&1. This command uses the following syntax:
* filename: Redirects standard output (file descriptor 1) to a file named filename. If the file does not exist, it will be created. If the file exists, it will be overwritten.
* 2>&1: Redirects standard error (file descriptor 2) to the same destination as standard output. The & symbol indicates that the following number is a file descriptor, not a filename.
The order of the redirections is important, as they are processed from left to right. If the order was reversed, as in 2>&1 >filename, the command would not work as expected, because it would first redirect standard error to the current standard output (which is the terminal by default), and then redirect standard output to the file, leaving standard error unchanged.
The other commands are incorrect for the following reasons:
* A. 2>&1 >filename: This command will redirect standard error to the current standard output, and then redirect standard output to the file, leaving standard error unchanged.
* C. 1>&2>filename: This command will redirect standard output to the current standard error, and then redirect standard error to the file, leaving standard output unchanged.
* D. >>filename: This command will only redirect standard output to the file in append mode, without affecting standard error.
* E. 1&2>filename: This command is not valid, as it is missing the > symbol before the first file descriptor, and it will produce an error message.
References:
* [LPI Exam 101 Detailed Objectives], Topic 103: GNU and Unix Commands, Objective 103.4: Use streams, pipes and redirects, Weight: 4, Key Knowledge Areas: Redirecting standard input, standard output and standard error.
* How to redirect and append both standard output and standard error to a file with Bash, Topic:
Substituting Text.
NEW QUESTION # 128
Which of the following commands is used to change options and positional parameters for a running Bash?
- A. history
- B. envsetup
- C. setsh
- D. set
- E. bashconf
Answer: D
NEW QUESTION # 129
Where does the BIOS search for a bootloader?
- A. The BIOS is not responsible to search for a valid bootloader.
- B. On all connected storage media in the defined boot device order.
- C. Only on the last added storage media.
- D. On all connected storage media regardless of the boot device order.
- E. Only on hard disk drives in the defined boot device order.
Answer: B
NEW QUESTION # 130
Which of the following shell redirections will write standard output and standard error output to a file named filename?
- A. >>filename
- B. >filename 2>&1
- C. 1>&2>filename
- D. 1&2>filename
- E. 2>&1 >filename
Answer: B
NEW QUESTION # 131
What does the ? symbol within regular expressions represent?
- A. Match the preceding qualifier one or more times.
- B. Match a literal ?character.
- C. Match the preceding qualifier zero or one times.
- D. Match the preceding qualifier zero or more times.
Answer: C
NEW QUESTION # 132
When in Normal mode invi, which character can be used to begin a reverse search of the text?
- A. r
- B. F
- C. /
- D. ?
Answer: D
NEW QUESTION # 133
Regarding the command:
nice -5 /usr/bin/prog
Which of the following statements is correct?
- A. /usr/bin/prog is executed with a nice level of 5.
- B. /usr/bin/prog is executed with a priority of 5.
- C. /usr/bin/prog is executed with a priority of -5.
- D. /usr/bin/prog is executed with a nice level of -5.
Answer: A
Explanation:
Explanation
The nice command is used to start a process with a modified scheduling priority. The scheduling priority is a value that determines how much CPU time a process will receive from the kernel. The lower the priority, the more CPU time a process will get. The priority is also known as the nice value, because a process with a high nice value is being nice to other processes by giving up CPU time. The nice value ranges from -20 to 19, with
-20 being the highest priority and 19 being the lowest. By default, processes are started with a nice value of 0, which means normal priority.
The nice command takes an optional argument -n followed by a number, which specifies the increment or decrement of the nice value from the default value of 0. For example, the command:
nice -n 5 /usr/bin/prog
will start the /usr/bin/prog process with a nice value of 5, which means a lower priority than the default.
Similarly, the command:
nice -n -5 /usr/bin/prog
will start the /usr/bin/prog process with a nice value of -5, which means a higher priority than the default. If the -n argument is omitted, the nice command will assume a default increment of 10. For example, the command:
nice /usr/bin/prog
will start the /usr/bin/prog process with a nice value of 10, which means a very low priority. Note that only the root user can start a process with a negative nice value, as this requires special privileges.
Therefore, the command:
nice -5 /usr/bin/prog
is equivalent to:
nice -n -5 /usr/bin/prog
and will start the /usr/bin/prog process with a nice value of -5, which means a higher priority than the default.
This means that the correct answer is B. /usr/bin/prog is executed with a nice level of 5.
References:
* [LPI Exam 101 Detailed Objectives], Topic 103: GNU and Unix Commands, Objective 103.6: Modify process execution priorities, Weight: 2, Key Knowledge Areas: Know the default priority of a job that is created.
* How to Set Process Priorities With nice and renice on Linux, Topic: The nice Command.
NEW QUESTION # 134
When removing a package, which of the following dpkg options will completely remove the files including configuration files?
- A. -remove
- B. --clean
- C. --delete
- D. --purge
Answer: D
Explanation:
Explanation
When removing a package on a system using dpkg package management, the --purge option ensures that configuration files are removed as well. The --purge option is equivalent to the --remove option followed by the --purge-config-files option, which removes any configuration files that are marked as obsolete. The
--remove option only removes the package files, but leaves the configuration files intact. The --clean option removes any .deb files from the local cache, but does not affect the installed packages. The --delete option is not a valid option for dpkg. References:
* 1, 102.4 Lesson 1
* 3, 101-500 Exam - Free Questions and Answers - ITExams.com
* man dpkg
NEW QUESTION # 135
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?
- A. tee myapp file1.log
- B. myapp | cat > file1.log
- C. myapp | tee file1.log
- D. myapp 0>&1 | cat > file1.log
- E. cat < myapp | cat > file1.log
Answer: C
NEW QUESTION # 136
Which command displays the contents of the Kernel Ring Buffer on the command line?
(Provide only the command name without any options or path information)
Answer:
Explanation:
dmesg, /bin/dmesg
NEW QUESTION # 137
Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose two.) Ctrl XX
- A. Ctrl :W
- B. Esc zz
- C. Esc :wq
- D.
- E. Esc ZZ
Answer: D,E
NEW QUESTION # 138
Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?
- A. timeout
- B. showmenu
- C. splash
- D. hidemenu
Answer: A
Explanation:
Explanation
The timeout option in a GRUB Legacy configuration file is used to define the amount of time (in seconds) that the GRUB menu will be shown to the user before booting the default entry. The timeout option is usually located in the /boot/grub/menu.lst file. For example, timeout 10 will display the GRUB menu for 10 seconds.
To disable the timeout and wait for user input indefinitely, the value of timeout can be set to -1. To boot immediately without displaying the menu, the value of timeout can be set to 0. The other options are not valid for the GRUB Legacy configuration file. References:
* GRUB Legacy - ArchWiki
* How do I set the grub timeout and the grub default boot entry?
* How to Remove the Timeout From GRUB Menu
NEW QUESTION # 139
Which command shows all shared libraries required by a binary executable or another shared library?
(Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
ldd
NEW QUESTION # 140
What is the default nice level when a process is started using the nice command?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 141
From a Bash shell, which of the following commands directly execute the instructions from the file /usr/ local/bin/runme.shwithout starting a subshell? (Choose two.)
- A. run /usr/local/bin/runme.sh
- B. /bin/bash /usr/local/bin/runme.sh
- C. /usr/local/bin/runme.sh
- D. source /usr/local/bin/runme.sh
- E. /usr/local/bin/runme.sh
Answer: D,E
Explanation:
Explanation/Reference:
NEW QUESTION # 142
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Introduction to LPIC-1 Linux Administrator , 101-500 exam
The LPIC 101-500 exam, is one of qualifying exam to attain accreditation of LPIC 1 Linux Administrator , however, to bag the accreditation aspirants have to pass both 101-500 & 102-500 . Aspirants must have knowledge about :
- Handle files and access permissions as well as system security; and
- Architecture of a Linux system;
- Work at the Linux command line, including common GNU and Unix commands;
- Perform easy maintenance tasks: help users, add users to a larger system, backup and restore, shutdown and reboot.
- Installation and maintenance of Linux workstation, including X11 and setup it up as a network client;
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