Last Updated on May 25, 2018 by Admin
Linux Essentials Final Exam (Modules 9 – 16) Answer
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Question ID 132
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
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Question ID 133
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
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Question ID 134
A conditional that lets you make multiple comparisons with a pattern is called:
- fanout
- if
- branch
- case
- test
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Question ID 135
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
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Question ID 136
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
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Question ID 152
A division of a hard drive may be referred to as a _______ .
(choose two)
- partition
- label
- slice
- block
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Question ID 153
Which of the following are valid partitioning types?
(choose two)
- MBR
- PC
- GPT
- BIOS
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Question ID 154
The fdisk command is a tool used for working with the MBR partitioned disks.
True or False?
- True
- False
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Question ID 155
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
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Question ID 156
Which of the following are valid video cable connector types?
(choose two)
- AMD
- DVI
- VGA
- HDA
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Question ID 172
A command that will continuously update statistics about running processes:
- top
- tail
- bottom
- head
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Question ID 173
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 (–)
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Question ID 174
Which file contains the information passed to the kernel at boot time?
- /proc/kargs
- /proc/kernel
- /proc/kopts
- /proc/cmdline
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Question ID 175
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
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Question ID 176
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
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Question ID 177
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
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Question ID 192
What option to the netstat command has information shown as numbers rather than names?
- -t
- -n
- –name
- -r
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Question ID 193
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
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Question ID 194
The RSA key fingerprint allows the dig command to connect to remote systems.
True or False?
- True
- False
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Question ID 197
Which files contain user account information?
(choose two)
- /etc/shadow
- /etc/group
- /etc/passwd
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Question ID 212
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
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Question ID 213
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
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Question ID 214
Which of the following commands will display how long the system has been running since the last boot?
(choose two)
- who
- w
- id
- uptime
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Question ID 215
The /etc/shadow file contains plain-text passwords.
True or False?
- True
- False
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Question ID 216
Which command can be used to view the /etc/passwd file entries?
- getent
- uptime
- getpasswd
- uppasswd
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Question ID 232
Which command can be used to determine a user’s most recent log in?
- login
- last
- history
- shell
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Question ID 233
Which of the following files contains encrypted user password information?
- /etc/usr
- /etc/shadow
- /etc/passwd
- /etc/group
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Question ID 234
Which of the following files contains user IDs?
- /etc/passwd
- /etc/group
- /etc/shadow
- /etc/usr
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Question ID 235
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
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Question ID 236
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
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Question ID 252
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
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Question ID 253
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
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Question ID 254
The chown command will only accept one file at a time as an argument.
True or False?
- True
- False
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Question ID 255
The “execute” permission is never set on files by default.
True or False?
- True
- False
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Question ID 256
The user owner of a file will always have the same or higher permissions as “other”.
True or False?
- True
- False
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Question ID 361
A source and a hard link must be part of the same filesystem.
True or False?
- True
- False
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Question ID 362
Deleting a source file will break an associated symbolic link.
True or False?
- True
- False
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Question ID 363
A source file and a symbolic link must be part of the same file system.
True or False?
- True
- False
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Question ID 364
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
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Question ID 365
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