tools of the trade linux and sql coursera weekly challenge 2 answers

Test your knowledge: All about Linux

1. As a security analyst, you might use Linux to review logs when investigating an issue.

  • True
  • False

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

  • The shell
  • Applications
  • The kernel
  • The operating system

3. Fill in the blank: The Filesystem Hierarchy Standard (FHS) is the component of Linux architecture that _____.

  • organizes data
  • consists of the physical components of a computer
  • enables people to communicate with the system
  • manages processes and memory

4. Which of the following hardware components are peripheral devices? Select all that apply.

  • a printer
  • a CPU
  • RAM
  • a monitor

Test your knowledge: Linux distributions

5. Fill in the blank: Because the _____ is open source, anyone can modify it to build new Linux distributions.

  • hardware
  • kernel
  • application
  • shell

6. What is KALI LINUX ™?

(KALI LINUX ™ is a trademark of OffSec.)

  • A Debian-derived, open-source distribution of Linux designed for security tasks
  • A tool with a graphical user interface that can be used to analyze live and captured network traffic
  • A subscription-based Linux distribution built for enterprise use
  • A tool used to guess passwords

7. What is an open-source, user-friendly distribution derived from Debian that is widely used in security and other industries?

  • Ubuntu
  • Autopsy
  • Red Hat
  • tcpdump

8. Which of the following are distributions of Linux? Select all that apply.

  • Parrot
  • CentOS
  • Red Hat
  • Pen Test

Test your knowledge: The shell

9. What is the shell?

  • An instruction telling the computer to do something
  • The command-line interpreter
  • Data consisting of an ordered sequence of characters
  • Information received by the operating system (OS) via the command line

10. After a user inputs a command into the shell, what can the shell return to the user? Select two answers.

  • A request for more input from the user
  • Output
  • A request for user approval
  • An error message

11. What is standard error in Linux?

  • A Linux command that outputs a specified string of text
  • Error messages returned by the operating system through the shell
  • Information received by the operating system via the command line
  • Information returned by the operating system through the shell

12. What is the difference between standard input and standard output?

  • Standard input is sent from the Filesystem Hierarchy Standard (FHS). Standard output is sent to the FHS.
  • Standard input is sent to the operating system. Standard output is sent from the operating system.
  • Standard input is sent to the Filesystem Hierarchy Standard (FHS). Standard output is sent from the FHS.
  • Standard input is sent from the operating system. Standard output is sent to the operation system.

Weekly challenge 2

13. Fill in the blank: Linux is a(n) _____ operating system.

  • closed-source
  • single-user
  • open-source
  • command line

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

  • Applications
  • The kernel
  • Standard input
  • The shell

15. What is one reason why there are multiple distributions of Linux?

  • Linux distributions are closed source, which means users must create a new distribution if they want to use Linux.
  • Linux distributions expire after a period of time, which means new distributions must be created.
  • The Linux kernel is updated yearly, which means community developers create new distributions to stay updated.
  • The Linux kernel is open source, which means anyone can use the kernel and modify it.

16. Which of the following statements correctly describe KALI LINUX ™? Select three answers.

(KALI LINUX ™ is a trademark of OffSec.)

  • KALI LINUX ™ was created specifically to be used with penetration testing and digital forensics.
  • KALI LINUX ™ was created as an enterprise distribution of Linux.
  • KALI LINUX ™ is an open-source Linux distribution that is widely used in security.
  • KALI LINUX ™ should be used on a virtual machine.

17. Which of these are common Linux distributions? Select all that apply.

  • Parrot
  • Red Hat
  • Bash
  • CentOS

18. Fill in the blank: The _____ communicates with the kernel to execute commands.

  • shell
  • Filesystem Hierarchy Standard (FHS)
  • interface
  • hardware

19. Which of the following are communication methods with the shell? Select all that apply.

  • Standard command
  • Standard error
  • Standard input
  • Standard output

20. Which of the following is an example of hardware?

  • Shell
  • Kernel
  • CPU
  • Applications

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.

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

31. Which of the following are examples of Linux distributions? Select all that apply.

  • Debian
  • Wireshark
  • Ubuntu
  • tcpdump

32. What is the shell in Linux?

  • An instruction telling the computer to do something
  • The command-line interpreter
  • A Linux command that outputs a specified string of text
  • The information received by the OS via the command line

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