LinuxFoundationX: LFS101x Introduction to Linux

LFS101x Introduction to Linux Cousrea answers

Chapter 01:

Knowledge Checks Quiz Answers

 

Q1. What are some of the objectives of The Linux Foundation? Select all answers that apply.

 

 

To promote Linux and provide neutral collaboration and education

To improve Linux as a technical platform

To sponsor the work of Linus Torvalds

 

Q2. The three distribution families (Red Hat, SUSE, and Debian) we are using are upstream for a number of Linux distributions. Some distributions are listed below.

 

The Red Hat Zone: Cent OS, Oracle Linux

The SUSE Zone: SLES

The Debian Zone: Ubuntu, Linux Mint

 

 

Chapter 02:

Knowledge Checks Quiz Answers

 

 

Q1. When did Linus Torvalds start writing the Linux kernel?

 

1991

Q2. Drag the following statements associated with the Linux philosophy to the corresponding column.

 

True:

 

Linux was written to be a free and open source clone of Unix,

Processes, devices, and network sockets are all represented by file-like objects, and can often be worked using the same utilities used for regular files

 

In Linux, all files are stored in one united directory tree, starting at “/”, the system’s root directory

False:

 

Linux makes its components available via its servers

 

Q3. Which of the following qualifications are required for participating in the Linux kernel development? Select all answers that apply.

 

Technical skills

A desire to contribute

 

Q3. Which of the following communication channels does the Linux community use to communicate? Select all answers that apply.

 

 

IRC Channels

Mailing Lists

Community Events

 

Q4. What is a kernel?

 

The glue between hardware and applications

 

Q5. What is a desktop environment?

 

A graphical user interface on top of the operating system

Q6. What is a command line?

 

 

An interface for typing commands for the operating system to execute

 

Q7. In addition to the kernel, what are some of the purposes of the other software tools required for developing a full Linux distribution? Select all answers that apply.

 

Performing file-related operations

Maintaining user management

Taking care of software package management

 

Q8. Which of the following are binary-compatible Linux distributions which are free alternatives to Red Hat Enterprise Linux (RHEL)? Select all answers that apply.

 

CentOS

Scientific Linux

 

Chapter 03:

Q1. Which of the following is responsible for launching Linux?

 

Boot loader

 

Q2. Which of the following is responsible for starting system and network services at boot time?

 

Init

 

Q3. Please select a possible correct full path for a file named photo.jpg on a Linux system.

 

/data/user1/images/photo.jpg

 

Q4. You have just brought home a new set top box for your television, that includes a digital video recorder (DVR). It is probably running Linux, like most currently popular multi-media appliances.

 

Which variety of Linux would you expect to have been installed on it?

 

A specialized version with only the minimal set of software needed to accomplish its task

 

Q5. What type of Linux configuration files are used to automate the installation process? Select all answers that apply.

 

Kickstart

AutoYaST

 

Chapter 04:

 

Q1. Which of the following is a popular desktop environment and graphical user interface that runs on top of the Linux operating system?

 

GNOME

Q2. Which of the following is a program that adds many more customization options to a GNOME desktop, including installing and configuring extensions?

 

gnome-tweaks or gnome-tweak-tool

Q3. Which of the following steps initiates changing the desktop background?

 

Right-click on the desktop and select Change Desktop Background

Q4. What action saves the current state of the system in RAM?

 

Suspending

Q5. What keyboard shortcut is used to lock the screen?

 

SUPER-L

Q6. Which of these are default directories available under the Home directory? Select all answers that apply.

 

Desktop

Documents

Downloads

Q7. What is the default text editor in GNOME?

 

Gedit

 

Chapter 05:

 

Q1. Which protocol is used to set the local time via Internet servers?

 

Network Time Protocol (NTP)

 

Q2. Which of the following settings can you configure using the Display panel?

 

Screen Resolution

Q3. Which VPN technologies does the Network Manager support?

 

All of the above

 

Q4. Which of the following package management utilities are used by Ubuntu? Select all answers that apply.

 

dpkg

Ubuntu Software Center

 

Q5. openSUSE uses _____________ to add and remove software packages.

 

YaST software management

 

Chapter 06: Knowledge Checks Quiz Answers

 

Q1. Which two of the following are common protocols used to access emails stored on a remote mail server? Select all answers that apply.

 

POP

IMAP

 

Q2. Which of the following are text mode email clients widely available in Linux? Select all answers that apply.

 

mutt

mail

 

Q3. What is Ekiga used for?

 

To connect to VoIP

 

Q4. What is the use of the Impress component in LibreOffice?

 

Presentations

 

 

Chapter 07:

 

Q1. Which key combination would allow you to switch from the GUI to the text virtual terminal 4?

 

CTRL-ALT-F4

 

 

Q2. Assuming you are not the root user, which of the following commands would turn off the graphical desktop, depending on your specific Linux distribution? Select all answers that apply.

 

sudotelinit 3

sudosystemctl stop gdm

sudosystemctl stop lightdm

 

Q3. Assuming you are the root user, which commands allow you to shut down your system without rebooting? Select all answers that apply.

 

halt

poweroff

shutdown -h now

Q4. Which commands allow you to locate programs? Select all answers that apply.

 

which

whereis

 

Q5. Which of the following are examples of an absolute path? Select all answers that apply.

 

/etc/passwd

//etc/passwd

 

Q6. Using which command can you view an entire file with scroll-back?

 

Less

 

Q7. Using which command you forcefully remove a directory recursively?

 

rm –rf

 

Q8. Which command is used to perform a database search of pathnames given the substring that is provided as a parameter?

 

 

Locate

 

 

Q9. Which bash wildcard is used to match any single character?

 

?

Q10. Which of the following are high-level package managers? Select all answers that apply.

 

apt

dnf

zypper

 

Q11. Which of the following are low-level package managers? Select all answers that apply.

 

dpkg

rpm