Linux Essentials – Final Exam Test Online 2019 (Modules 9-16)

1. Question

1 points

The number of users logged in is in a variable called USERS. How would you test to see if 5 users are logged in?

test $USERS = 5
test $USERS –a 5
test $USERS,5
test –f USERS=5
test $USERS –eq 5

2. Question

1 points

Given the following script: while [ ! –f /tmp/foo ]; do echo –n “.” process_data > /tmp/foo done Which of the following are true? (choose two)

The screen will fill with dots.
/tmp/foo will be removed if it exists
process_data will never be run
If a file called /tmp/foo exists, process_data won’t be run
process_data will be called at most once

3. Question

1 points

A conditional that lets you make multiple comparisons with a pattern is called:

fanout
if
branch
case
test

4. Question

1 points

What is the meaning of $(( $i + 1)) ?

If i is 0, the loop will stop
This will return the value of the first argument to the script
1 will be added to the i variable
This runs the command stored in variable i
This will return the value of the next argument to the script

5. Question

1 points

How would you write a test that says “if /tmp/foo is a directory or USERS is greater than 5”?

test –d /tmp/foo | $USERS > 5
test /tmp/foo –d –o $USERS -gt 5
test /tmp/foo || $USERS > 5
test –d /tmp/foo –o $USERS –gt 5
test –f /tmp/foo –o $USERS –ge 5

6. Question

1 points

A division of a hard drive may be referred to as a _______ . (choose two)

partition
label
slice
block

7. Question

1 points

Which of the following are valid partitioning types? (choose two)

MBR
PC
GPT
BIOS

8. Question

1 points

The fdisk command is a tool used for working with the MBR partitioned disks. True or False?

True
False

9. Question

1 points

Which of the following is the valid device file name for the first IDE hard drive on the system?

/dev/sda
/dev/hd1
/dev/hda
/dev/ide

10. Question

1 points

Which of the following are valid video cable connector types? (choose two)

AMD
DVI
VGA
HDA

11. Question

1 points

A command that will continuously update statistics about running processes:

top
tail
bottom
head

12. Question

1 points

The following are valid Linux option styles: (choose three)

Traditional Unix with a single dash (-)
BSD Unix without a dash
DOS slash (/)
GNU long options with two dashes (–)

13. Question

1 points

Which file contains the information passed to the kernel at boot time?

/proc/kargs
/proc/kernel
/proc/kopts
/proc/cmdline

14. Question

1 points

To make changes permanent for kernel parameter files found under /proc/sys, the following file can have entries added to it:

/etc/sysctl.conf
/etc/procctl.conf
/etc/procsys.conf
/etc/sysinfo.conf

15. Question

1 points

To get a list of all packages installed on a system using RPM Package Management you can execute:

rpm -qa
rpm -ql
rpm -qf
rpm -qi

16. Question

1 points

Which of the following would be considered a host?

The computer’s hard drive
A network cable
A CDROM
A printer attached to the network via an IP address

17. Question

1 points

What option to the netstat command has information shown as numbers rather than names?

-t
-n
–name
-r

18. Question

1 points

Which of the following commands will allow you to log into the machine server1 with the account name nick?

ssh nick@server1
ssh nick->server1
ssh nick-server1
ssh nick&server1

19. Question

1 points

The RSA key fingerprint allows the dig command to connect to remote systems. True or False?

True
False

20. Question

1 points

Which files contain user account information? (choose two)

/etc/shadow
/etc/group
/etc/passwd

21. Question

1 points

Sudo privileges can be used to specify which user can use the sudo command to execute commands as other users. True or False?

True
False

22. Question

1 points

In distributions that do not allow the root user to login directly or via the su command, the installation process automatically configures one user account to be able to use the sudo command to execute commands as if they were executed by the root user. True or False?

True
False

23. Question

1 points

Which of the following commands will display how long the system has been running since the last boot? (choose two)

who
w
id
uptime

24. Question

1 points

The /etc/shadow file contains plain-text passwords. True or False?

True
False

25. Question

1 points

Which command can be used to view the /etc/passwd file entries?

getent
uptime
getpasswd
uppasswd

26. Question

1 points

Which command can be used to determine a user’s most recent log in?

login
last
history
shell

27. Question

1 points

Which of the following files contains encrypted user password information?

/etc/usr
/etc/shadow
/etc/passwd
/etc/group

28. Question

1 points

Which of the following files contains user IDs?

/etc/passwd
/etc/group
/etc/shadow
/etc/usr

29. Question

1 points

Which of the following files does the groupadd command use to determine the new GID when a GID isn’t specified?

/etc/shadow
/etc/usr
/etc/passwd
/etc/group

30. Question

1 points

Which of the following commands, run as root, will prevent the user bob from logging in?

usermod -L bob
usermod -D bob
usermod -d bob
usermod -l bob

31. Question

1 points

The chmod command can be used on a file by:

The file owner and root
The file owner
A user that belongs to the files current group
Only root

32. Question

1 points

Which option for the chown command can be used to change the owner of a directory and all the files and directories below it?

-f
-R
-a
-r

33. Question

1 points

The chown command will only accept one file at a time as an argument. True or False?

True
False

34. Question

1 points

The “execute” permission is never set on files by default. True or False?

True
False

35. Question

1 points

The user owner of a file will always have the same or higher permissions as “other”. True or False?

True
False

36. Question

1 points

A source and a hard link must be part of the same filesystem. True or False?

True
False

37. Question

1 points

Deleting a source file will break an associated symbolic link. True or False?

True
False

38. Question

1 points

A source file and a symbolic link must be part of the same file system. True or False?

True
False

39. Question

1 points

Which of the following commands would create a hard link, link to file?

ln link file
ln -s link file
ln file link
ln -s file link

40. Question

1 points

Which of the following commands would create a symbolic link, link to file?

ln link file
ln -s file link
ln file link
ln -s link file

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