Wgu c851 - Study guides, Class notes & Summaries

WGU - C851 - Chapters 1, 2, and 3. Exam Questions and answers. Graded A+. Verified. What is an OS kernel responsible for? - -interfacing with hardware devices allocating memory to individual programs allocating CPU time to individual programs enabling programs to interact with each other libraries - -collections of programming functions that can be used by a variety of programs What can you press to obtain a text-mode prompt when in GUI mode? - -Ctrl+Alt+F1 or Ctrl+Alt+F2 What ...

What is an OS kernel responsible for? - -interfacing with hardware devices allocating memory to individual programs allocating CPU time to individual programs enabling programs to interact with each other libraries - -collections of programming functions that can be used by a variety of programs What can you press to obtain a text-mode prompt when in GUI mode? - -Ctrl+Alt+F1 or Ctrl+Alt+F2 What operating system in Linux modeled after? - -Unix

Which of the following programs are web servers? (Choose two.) A. Apache HTTPD B. Postfix C. Curl D. Dovecot E. NGINX - AE What are the differences between hard disk drives and solid state disks? (Choose two.) A. Hard disks have a motor and moving parts, solid state disks do not. B. Hard disks can fail due to physical damage, while solid state disks cannot fail. C. Solid state disks can store many times as much data as hard disk drives. D. /dev/sda is a hard disk device while /dev/ssda...

For a shell script intended to be run by the Bash shell, what should you start the script with? - #!/bin/bash How do you add execute permissions to a file? - chmod +x <filename> In a situation where you are launching multiple commands in a script, what can you add to the end of each command to allow the next command to run before the first finishes? - & This utility provides text editor capabilities via commands that can be typed in a command prompt. - sed You've written a script t...

American Standard Code for Information Interchange (ASCII) - An encoding method for alphanumeric data, commonly used for text files. ASCII is a common code, but because it lacks characters used by many non-English languages, other encoding methods, such as UTF-8, are slowly supplanting it. Unicode - A standard for representing text in numerous alphabets and other writing systems vi - A small, flexible, and multimode editor which accomplishes various tasks by switching between modes. nano ...

For a shell script intended to be run by the Bash shell, what should you start the script with? - - #!/bin/bash How do you add execute permissions to a file? - -chmod +x <filename> In a situation where you are launching multiple commands in a script, what can you add to the end of each command to allow the next command to run before the first finishes? - -& This utility provides text editor capabilities via commands that can be typed in a command prompt. - -sed You've written a scri...

WGU - C851 - Chapter 11, Exam Questions and answers. Verified. For a shell script intended to be run by the Bash shell, what should you start the script with? - #!/bin/bash How do you add execute permissions to a file? - -chmod +x <filename> In a situation where you are launching multiple commands in a script, what can you add to the end of each command to allow the next command to run before the first finishes? - -& This utility provides text editor capabilities via commands...

WGU C851 (Linux Foundations), Exam Questions and answers. Verified

WGU C851-Final exam With All Correct Questions And Answers 2022 Rated A+. Carlos manages a Linux system that users are able to SSH into in order to perform certain tasks. However, he has just installed a critical patch and wants to reboot the server to ensure that it has fully taken effect. Which of the following commands should he use to ensure that a reboot will not interrupt any logged in users? a. uname -a b. id c. whoami d. w Which of the following commands will list all users exce...

Graphical user interface (GUI) - ANSWER-A method of human-computer interaction characterized by a graphical display, a mouse to move a pointer around the screen, and the ability to perform actions by pointing at objects on the screen and clicking a mouse button. kernel - ANSWER-The core of an operating system, which provides multitasking (process creation, interprocess protection, interprocess communication), memory management, and basic I/O management. X server - ANSWER-A program that imp...