Module #1

Question 1

With virtualization, virtual computers can operate and run within physical computers. These computers are called

Answer 1

Virtual Machines (VM)

Question 2

VMs are often called

Answer 2

guests

Question 3

computers are often called

Answer 3

hosts

Question 4

Anyone with a modern computer and operating system can run virtual machines.

Answer 4

true

Question 5

All coding labs in this course are performed on a

Answer 5

Linux-based VM

Question 6

has gained widespread use in servers, Internet of Things (IoT) devices, networking
equipment, smartphones, and many other devices that may not seem as even being
computers.

Answer 6

Linux

Question 7

is an easy to learn programming language.

Answer 7

Python

Question 8

Few factors that make Python a great tool for learning basic coding are:

Answer 8

• It is easy to learn
• It is easy to use for writing new software
• It is easy to obtain, install and deploy

Question 9

provides a solid foundation and allows to learn other programming languages
(for example, C++, Java, or C) much easier and faster.

Answer 9

Python

Question 10

is free, open and multiplatform.

Answer 10

Python

Question 11

it is possible to write code faster when
using Python.

Answer 11

true

Question 12

the time needed to learn Python is shorter than for many other
languages.

Answer 12

true

Question 13

commands are

Answer 13

case-sensitive

Question 14

Use the ____ command to display a listing of the current directory

Answer 14

ls

Question 15

Use the _____ command with the _____ argument to display the contents of the labs folder

Answer 15

ls labs

Question 16

Use the _____ command with the ______ option to display a “long display” of the contents of the current directory.

Answer 16

ls -l

Question 17

Use the _____ command with the ______ option to display the contents of the current directory in reverse alphabetical order.

Answer 17

ls -r

Question 18

Use the _____ command with the argument ls to see all of the possibilities in the manual

Answer 18

man ls

Question 19

You can also use _____ argument after most commands to see a shorter summary of all the available command options.

Answer 19

–help

Question 20

Use the _____ command to display the current working directory.

Answer 20

pwd

Question 21

Use the ____ command to change the directory to /home/devasc/Documents.

Answer 21

cd

Question 22

Use the ____ characters to move up a single directory.

Answer 22

..

Question 23

Use the _____ command to issue a single command as the root user.

Answer 23

sudo

Question 24

type the first few letters of the directory name and press _____ for the system to automatically enter the rest of the name

Answer 24

Tab

Question 25

Use the ______________ command to update to refresh the list of available packages installed on the VM.

Answer 25

sudo apt-get update

Question 26

Use the command _______ to create a shell script file

Answer 26

echo

Question 27

Use the _______ command to view the only command in the script

Answer 27

cat

Question 28

Use the command ________ to allow you to execute the file.

Answer 28

chmod +x myfile.sh

Question 29

Use the command _______ to make a copy of the myfile_renamed.sh file.

Answer 29

cp

Question 30

Use the _______ command to remove the myfile_renamed_and_copied.sh file.

Answer 30

rm

Question 31

Use the grep command with the anchor character ^ to find the word, but only at the

Answer 31

beginning of the line.

Question 32

Use the grep command with the anchor character $ to find a word at the

Answer 32

end of a line.

Question 33

Use the grep command with the anchor character . to

Answer 33

match specific length words with different letters in them.

Question 34

Use the grep command to find lines where only the numbers 8 or 9 are present

Answer 34

grep '[8-9]'

Question 35

Use the grep command to find literal characters. Notice that only the lines containing a comma are returned.

Answer 35

grep '[,]'

Question 36

Use the grep command to find occurrences of zero or more of the pattern preceding it.

Answer 36

grep 'new*'

Question 37

Use the ________ command to display the network configuration.

Answer 37

ip address

Question 38

What command is used to rename a file in a Linux system?

Answer 38

mv

Question 39

The _______ Linux command can be used to move a file to another directory or rename a file.

Answer 39

mv

Question 40

The ______ command is also used to make a copy of a file.

Answer 40

dd

Question 41

Use the command ________ to initiate a shutdown of the OS (and the VM) immediately.

Answer 41

shutdown now

Question 42

Use the command ______ to check set date of the OS.

Answer 42

date

Question 43

shutdown -c

Answer 43

shutdown cancel

Question 44

Use the command ping with the options _______ to ping a computer on your local network four times

Answer 44

ping -c 4

Question 45

Use the _____ command to display the processes that are running in the current terminal.

Answer 45

ps

Question 46

Use the ______ with the ______ option to display all the processes that are running on the computer.

Answer 46

ps -e

Question 47

You can pipe any command output to one screen at a time by adding

Answer 47

| more. | more

Question 48

Use the _____ with the ____ option to display all the processes that are running on the computer with more detail.

Answer 48

ps -ef

Question 49

Use the command ____ to update your password.

Answer 49

passwd