[LPIC-101-500] Exam9

Which of the following commands can perform searches on file contents using regular expressions?. reggrep. locate. pgrep. grep. find.

In Bash, inserting 1>&2 after a command redirects…. …standard output to standard input. …standard input to standard error. …standard error to standard input. …standard error to standard output. …standard output to standard error.

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?. Using chroot to switch to the file system on the hard disk and use dmesg to view the logs. Investigating the file /var/log on the computer’s hard disk for possible errors. Using the dmesg command from the rescue CD’s shell to view the original system’s boot logs. Investigating the file /proc/kmsg on the computer’s hard disk for possible errors. Rebooting again from the hard drive since the system successfully booted from the rescue CD.

Where is the bootloader stored on the hard disk of a UEFI system?. In the Master Boot Record (MBR). On the partition number 127. In the EFI Boot Record (EBR). On the EFI System Partition (ESP). On the partition labeled boot.

What is the correct way to set the default systemd boot target to multi-user?. systemctl set-runlevel multi-user.target. systemctl isolate multi-user.target. systemctl set-boot multi-user.target. systemctl set-default multi-user.target. systemctl boot -p multi-user.target.

Which of the following statements are correct about the initial RAM disk involvedin the boot process of Linux? (Choose TWO correct answers). An initramfs file contains the MBR, the bootloader and the Linux kernel. The kernel uses the initramfs temporarily before accessing the real root file system. An initramfs does not depend on a specific kernel version and is not changed after the initial installation. An initramfs is a compressed file system archive, which can be unpacked to examine its contents. After a successful boot, the initramfs contents are available in /run/initramfs/.

Which of the following commands loads a kernel module along with any required dependency modules?. module_install. loadmod. modprobe. depmod. insmod.

What information can the lspci command display about the system hardware? (Choose THREE correct answers). PCI bus speed. System battery type. Device IRQ settings. Ethernet MAC address. Device vendor identification.

Given the following two symbolic links in a System V init conguration: /etc/rc1.d/K01apache2 /etc/rc2.d/S02apache2 When are the scripts executed that are referenced by these links? (Choose TWO correct answers). Both S02apache2 and K01apache2 are run during a system shutdown. S02apache2 is run when runlevel 2 is left. S02apache2 is run when runlevel 2 is entered. K01apache2 is run when runlevel 1 is entered. K01apache2 is never run because K indicates a deactivated service.

In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?. -dirmax. -s. -n. -maxdepth. -maxlevels.

Which of the following commands determines a file’s format by using a denition database file which contains information about all common file types?. magic. type. pmagic. hash. file.

Which of the following commands generates a list of user names from /etc/passwd along with their login shell?. colrm 1,7 /etc/passwd. chop -c 1,7 /etc/passwd. column -s : 1,7 /etc/passwd. sort -t: -k1,7 /etc/passwd. cut -d: -f1,7 /etc/passwd.

If the gzip compressed tar archive texts.tgz contains the files a.txt and b.txt, which files will be present in the current directory after running gunzip texts.tgz?. Only a.txt.gz and b.txt.gz. Only texts.tar. Only texts.tar and texts.tgz. Only a.txt, b.txt, and texts.tgz. Only a.txt and b.txt.

In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?. By specifying the number after a command such as 14 or yj2 followed by escape. By selecting all affected lines using the shit and cursor keys before applying the command. By issuing a command such as :set repetition=4 with repeats every subsequent command 4 times. By using the command :repeat followed by the number and the command. By specifying the number right in front of a command such as 41 or 2yj.

Which of the following statements is correct for a command ending with an & character?. The command’s output is executed by the shell. The command’s input is read from /dev/null. The command is run in background of the current shell. The command is run as a direct child of the init process. The command’s output is redirected to /dev/null.

Which of the following commands reads a file and creates separate chunks of a given size from the file’s contents?. cat. break. ar. parted. split.

What is the purpose of the xargs command?. It asks a question, graphically, and returns the answer to the shell. It passes arguments to an X server. It allows specifying long options (like --help) for commands that normally only accept short options (like -h). It repeats the execution of a command using different parameters for each invocation. It reads standard input and builds up commands to execute.

Which command displays a list of all background tasks running in the currentshell? (Specify ONLY the command without any path or parameters).

Which System V init conguration file is commonly used to set the default run level? (Specify the full name of the file, including path.).

Which command is used to change the priority of an already running process? (Specify ONLY the command without any path or parameters).