Linux Basics XK0-006 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the main function of a boot loader such as GRUB?

   • ATo load the Linux kernel into memory and pass control to it.
   • BTo provide a graphical login interface for users.
   • CTo mount the root filesystem and start system services.
   • DTo initialize hardware and run the power-on self-test.
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Which file is commonly used to define filesystems that should be mounted automatically at boot?

   • A/etc/passwd
   • B/etc/resolv.conf
   • C/etc/fstab
   • D/etc/hosts
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   What does the 'arm64' architecture refer to in Linux?

   • AA 64-bit ARM processor architecture.
   • BA 32-bit x86 processor architecture.
   • CA boot loader for ARM systems.
   • DA type of filesystem used on ARM devices.
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   A Linux system with systemd is booting slowly. The administrator wants to identify which services are taking the most time to start. Which command should the administrator use?

   • A`journalctl -u service`
   • B`systemd-analyze blame`
   • C`systemctl status`
   • D`systemctl list-units --type=service`
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   What is the first step in the Linux boot process?

   • AThe kernel is loaded into memory by the boot loader.
   • BThe root filesystem is mounted.
   • CThe init system starts system services.
   • DThe BIOS or UEFI firmware initializes hardware and locates a boot device.
   Reveal Solution Discussion Select an answer first