Questions and Answers10
You want to reboot the Linux server at midnight to perform an automatic upgrade to the
system. You also want to warn employees that the server will be rebooting at midnight for
upgrading.
Which of the following commands should you enter? - ANSWERS -shutdown -r 24:00 System
going down at Midnight for upgrade
When using the shutdown command to shut down a Linux computer, which of the following
tasks does the system perform first? - ANSWERS -Sends a SIGTERM message to open programs
to allow them to close.
When using the shutdown command to shut down a Linux computer, which of the following
tasks does the system perform second? - ANSWERS -Notifies logged-on users that the shutdown
process has been initiated and the length of time before shutdown.
What is the correct order for the boot phases of a Linux computer? - ANSWERS -1st BIOS
2nd Bootloader
3rd OS Kernal
4th systemd or init
Which of the following has a process ID (PID) of 1? - ANSWERS -The initial process
, What component is responsible for loading and executing the initial process? - ANSWERS -OS
kernel
Which of the following is the last step the OS kernel performs during a UEFI boot on a Linux
machine? - ANSWERS -Loads and executes either the init (Initial) process (for older
distributions) or the systemd process (for newer distributions).
You have a system with more than one Linux operating system installed. During the system's
bootup process, which component loads a splash screen, allowing you to choose which
operating system you want to run? - ANSWERS -The secondary bootloader
During the bootloader phase of the UEFI boot process, an optional initial RAM disk image called
initramfs is loaded into memory.
Which of the following BEST describes the initramfs image? (Select two.) - ANSWERS -A custom
version of the init program containing all the drivers and tools needed at boot.
Used to mount the file system and load the kernel into RAM.
The vmlinux and Linux Linux kernel executables contain information that can be used for what
purpose? (Select the correct answer from the drop-down list.) - ANSWERS -Debugging
Which of the following boot methods provides higher performance (larger files and greater
distances than TFTP) and is often used to replace the PXE boot method of network deployment?
- ANSWERS -HTTP
You have a Linux server where the bootloader is malfunctioning and can no longer boot. You
want to re-install a new copy of Linux over the network using the firmware on the server's
network card, and should be as simple to use as possible.
Which of the following boot methods will BEST meet your re-installation needs? - ANSWERS -
PXE