LFCS by Linux Foundation Actual Free Exam Q&As

Question 1

CORRECT TEXT
The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)

Discussion 0

Correct Answer:

/usr/share/zoneinfo/

Question 2

Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)

A. The script file must be found in the $PATH. B. The script must begin with a shebang-line (#!) that points to the correct interpreter. C. The user issuing the command must be in the group script. D. The file system on which the script resides must be mounted with the option scripts. E. The script file must have the executable permission bit set.

Discussion 0

Correct Answer: A,B,E Vote an answer

Question 3

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What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)

Discussion 0

Correct Answer:

menu .lst, grub.conf, grub.cfg

Question 4

What is the correct command to extract the contents of the archive file download.bz2?

A. bunzip2 download.bz2 B. unzip2 download.bz2 C. unpack download.bz2 D. unzip download.bz2 E. uncompress download.bz2

Discussion 0

Correct Answer: A Vote an answer

Question 5

Where are user specific crontabs stored?

A. As individual per-user files in /etc/cron.user.d. B. In the database file /etc/crontab.db which is shared by all users. C. In the .crontab file in the user's home directory. D. In the file /var/cron/user-crontab which is shared by all users. E. As individual per-user files within /var/spool/cron.

Discussion 0

Correct Answer: E Vote an answer

Question 6

What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

A. The content of /dev/ is stored in /etc/udev/dev and is restored during system startup. B. The /dev/ directory is a filesystem of type tmpfs andis mounted by udev during system startup. C. Additional rules for udev can be created by adding them to /etc/udev/rules.d/. D. Entries for all possible devices get created on boot even if those devicesare not connected. E. When using udev, it is not possible to create block or character devices in /dev/ using mknod.

Discussion 0

Correct Answer: B,C Vote an answer

Question 7

Whichof the following commands displays the contents of a gzip compressed tar archive?

A. tar ztf archive.tgz B. gzip -d archive.tgz | tar tvf - C. tar cf archive.tgz D. gzip archive.tgz | tar xvf -

Discussion 0

Correct Answer: A Vote an answer

Question 8

Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?

A. /proc/inittab B. /etc/keys C. /proc/keys D. /etc/reboot E. /etc/inittab

Discussion 0

Correct Answer: E Vote an answer

Question 9

What is the effect of the egrep command when the -v option is used?

A. It enables color to highlight matching parts. B. It shows the command's version information. C. It changes theoutput order showing the last matching line first. D. It only outputs non-matching lines.

Discussion 0

Correct Answer: D Vote an answer

Question 10

CORRECT TEXT
Which command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.)

Discussion 0

Correct Answer:

groupadd, /usr/sbin/groupadd

Question 11

Which of the following statements is valid in the file /etc/nsswitch.conf?

A. hosts: files dns B. multi on C. 192.168.168.4 dns-server D. include /etc/nsswitch.d/

Discussion 0

Correct Answer: A Vote an answer

Question 12

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Which option to the yum command will update the entiresystem? (Specify ONLY the option name without any additional parameters.)

Discussion 0

Correct Answer:

update, upgrade

Question 13

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

A. /lib/init.so B. /etc/rc.d/rcinit C. /proc/sys/kernel/init D. /sbin/init E. /boot/init

Discussion 0

Correct Answer: D Vote an answer

Question 14

CORRECT TEXT
In which directory must definition files be placed to add additional repositories to yum?

Discussion 0

Correct Answer:

/etc/yum.repos.d, /etc/yum.repos.d/, yum.repos.d, yum.repos.d/

Question 15

When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

A. debug B. nessus C. strace D. traceroute E. lsof

Discussion 0

Correct Answer: E Vote an answer

Linux Foundation Certified System Administrator - LFCS Exam Practice Test