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Tools of the Trade: Linux and SQL Weekly challenge 1 Quiz Answers

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Tools of the Trade: Linux and SQL Weekly challenge 1 Quiz Answers

Question 1)
Which of the following statements accurately describe operating systems? Select all that apply.

  • Operating systems only permit one application to run at a time.
  • Computers, smartphones, and tablets all have operating systems.
  • Operating systems are the interfaces between computer hardware and user.
  • Operating systems are responsible for making computers run efficiently.

Question 2)
Which of the following operating systems were designed to run on mobile devices? Select two answers.

  • iOS
  • macOSยฎ
  • Linux
  • Android

Question 3)
What is a bootloader?

  • A program that starts an operating system
  • A program that loads the BIOS or UEFI chip
  • A program that communicates instructions to the user
  • A program that checks for malware infections on a computer

Question 4)
Fill in the blank: To complete tasks on their computers, users interact with ____.

  • applications
  • the CPU
  • the bootloader
  • anti-virus software

Question 5)
What happens when you use applications on your computer? Select three answers.

  • The hardware sends information back to the operating system, which is sent back to the application.
  • The operating system interprets a request from the application and directs it to the appropriate components of the computerโ€™s hardware.
  • The application receives information from the operating system and sends a confirmation message directly to the hardware.
  • The application sends your request to the operating system.

Question 6)
Fill in the blank: A _____ is a program that allows users to control functions of the operating system.

  • bootloader
  • UEFI chip
  • CPU
  • user interface

Question 7)
Which of the following statements correctly describe GUIs and CLIs? Select three answers.

  • A CLI can complete multiple tasks efficiently.
  • GUI icons help users manage different tasks on a computer.
  • A GUI is a text-based user interface.
  • A CLI uses commands to communicate with an operating system.

Question 8)
A security team is alerted to a possible breach in their system. One analyst follows the instructions from their playbook, which include entering commands in the command line. Next, another analyst provides support by checking the commands to confirm that they were entered correctly. What does this scenario describe?

  • Reviewing a history file in a CLI
  • Tracing the usage of files and applications with icons
  • Repeating a process using the start menu
  • Reviewing a history file in a GUI

Question 9)
Fill in the blank: On a computer, the _____ handles resource and memory management.

  • operating system
  • task manager
  • hardware
  • browser

 

Question 10)
Which of the following statements accurately describe operating systems? Select all that apply.

  • Operating systems help people and computers communicate.
  • Smartphones do not have operating systems.
  • Operating systems are part of the physical components of a computer.
  • Operating systems enable computers to run multiple applications at once.

Question 11)
Fill in the blank: When someone uses a computer application, the operating system interprets the user’s requests and directs them to the appropriate _____.

  • applications
  • user interface
  • components of the computers hardware
  • user on the system

Question 12)
If you wanted to download a file from an internet browser, which of these things would happen? Select three answers.

  • You would initiate the task by clicking the download button in the application.
  • The operating system would communicate with hardware to download the file.
  • The application would communicate directly with hardware to download the file.
  • The application would communicate the request to the operating system.

Question 13)
Which of the following are key types of user interfaces? Select two answers.

  • System
  • Graphical
  • Command line
  • Mobile

Question 14)
A security team suspects that an attacker has compromised their system. They examine the commands entered by the attacker to determine whether they can trace the attackerโ€™s actions to help them resolve the incident. What does this scenario describe?

  • Reviewing a history file in a CLI
  • Examining the usage of files and applications from a start menu
  • Reviewing a history file in a GUI
  • Repeating a process using icons

Question 15)
Fill in the blank: The _____ ensures the limited capacity of a computer system is used where it’s needed most.

  • taskย 
  • operating system
  • manager
  • bootloader
  • hardware

 

Question 16)
Which of the following operating systems were designed to run on desktop and laptop computers? Select two answers.

  • Windows
  • iOS
  • Android
  • macOSยฎ

Question 17)
What does BIOS load in order to start an operating system?

  • The user interface
  • UEFI
  • The bootloader
  • An anti-virus application

Question 18)
Fill in the blank: When someone uses a computer application, the _____ interprets the user’s requests and directs them to the appropriate components of the computer’s hardware.

  • operating system
  • CPU
  • BIOS
  • bootloader

Question 19)
If you wanted to perform a calculation on your computer, which of these things would happen? Select three answers.

  • The hardware would determine the answer and send it back to the operating system.
  • You would type in the number you wanted to calculate into the application.
  • The hardware would send the answer directly back to the application.
  • The application would send this request to the operating system.

Question 20)
Which of the following statements correctly describe GUIs and CLIs? Select three answers.

  • GUI icons help users manage different tasks on a computer.
  • A CLI performs multiple tasks less efficiently than a GUI.
  • A CLI is a text-based user interface.
  • CLI commands execute tasks, such as moving a file to a new folder.

Question 21)
To ensure a computer’s capacity is used where it is needed most, what does an operating system manage?

  • Icons and graphics
  • Viruses and malware
  • Resources and memory
  • BIOS and UEFI

Question 22)
Which of the following are common operating systems? Select three answers.

  • PC
  • Windows
  • macOSยฎ
  • Linux

Question 23)
Fill in the blank: To complete tasks on their computers, users interact with ____.

  • applications
  • the CPU
  • anti-virus software
  • the bootloader

Question 24)
Which of the following statements accurately describe operating systems? Select all that apply.

  • Computers have operating systems, but smartphones and tablets do not have them.
  • Operating systems help people and computers communicate.
  • Operating systems are a type of computer hardware.
  • Operating systems are responsible for making computers run efficiently.