Free 101-500 Practice Questions and Answers | Updated 2025

• Question 1

  Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

  • shutdown -R 1 now
    
  • shutdown -single now
    
  • init 1
    
  • telinit 1
    
  • runlevel 1
    

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• Question 2

  Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

  • Boot device order
    
  • Linux kernel version
    
  • Timezone
    
  • Hardware configuration
    
  • The system's hostname
    

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• Question 3

  Which of the following is true when a file system, which is neither listed in /etc/fstab nor known to system, is mounted manually?

  • systemd ignores any manual mounts which are not done using the systemctl mount command
    
  • The command systemctl mountsync can be used to create a mount unit based on the existing mount
    
  • systemd automatically generates a mount unit and monitors the mount point without changing it
    
  • Unless a systemd mount unit is created, systemd unmounts the file system after a short period of time
    
  • systemctl unmount must be used to remove the mount because system opens a file descriptor on the mount point
    

  Show Answer Answer: 2 Next

• Question 4

  Which of the following commands lists the dependencies of a given dpkg package?

  • apt-cache depends-onpackage
    
  • apt-cache dependencies package
    
  • apt-cache depends package
    
  • apt-cache requires package
    

  Show Answer Answer: 3 Next

• Question 5

  Which of the following describes the correct order in which the components of the system boot process are started?

  • BIOS, kernel, bootloader, init system
    
  • BIOS, bootloader,kernel, init system
    
  • Bootloader, BIOS, kernel, init system
    
  • BIOS, bootloader, init system, kernel
    
  • Bootloader, BIOS, init system, kernel
    

  Show Answer Answer: 2 Next