21. When the system doesn't know how to respond to a command, what is the result?

  • A request for additional resources
  • Standard input
  • Standard output
  • An error message

22. What is an effect of Linux being open source?

  • It allows for collaboration among a community of developers.
  • It is the most simple OS in terms of architecture.
  • It requires a yearly subscription.
  • It is the easiest OS for beginners to use.

23. Which of the following components are part of the Linux architecture? Select all that apply.

  • The kernel
  • The Filesystem Hierarchy Standard (FHS)
  • Standard output
  • Hardware

24. What are distributions?

  • Simulated attacks that help identify vulnerabilities
  • The different versions of Linux
  • Programs that perform specific tasks
  • Data consisting of an ordered sequence of characters

25. What is an example of a Linux distribution that comes pre-installed with many security-related tools?

  • Wireshark
  • KALI LINUX ™ (KALI LINUX ™ is a trademark of OffSec.)
  • Kernel
  • SUSE

26. What is the Linux shell used for?

  • It organizes the data stored in the computer so it can be found easily.
  • It manages processes and memory.
  • It ensures the system allocates resources efficiently.
  • It allows you to communicate with the operating system.

27. Which of the following is an example of an application?

  • Parrot
  • CentOS
  • nano
  • The kernel

28. What does standard error contain?

  • Error messages sent as standard input to an application.
  • Error messages sent to the OS from the shell.
  • Error messages returned by the OS through the shell.
  • Error messages sent to an application as string data.

Shuffle Q/A 3

29. Which aspect of Linux makes it available to everyone?

  • Its kernel
  • Its open-source design
  • Its multiple distributions
  • Its use in cybersecurity

30. Which of the following components are part of the Linux architecture? Select all that apply.

  • The distribution
  • The Filesystem Hierarchy Standard (FHS)
  • Applications
  • The shell

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