LFCS PDF Dumps Real 2023 Recently Updated Questions

Released Linux Foundation LFCS Updated Questions PDF

Linux Foundation, a nonprofit organization, is the creator of the LFCS certification. It is an open-source technology organization that provides support to the Linux community. The Linux Foundation has been the driving force behind many of the major technology innovations in the world of open source software. It is the organization behind the Linux operating system, which is widely used by businesses and individuals alike.

Linux Foundation, the organization behind the development of the Linux operating system, offers the LFCS certification exam. LFCS exam is designed to test the skills and knowledge of professionals who are responsible for the administration of Linux systems, including installation, configuration, and troubleshooting. The LFCS certification is an industry-recognized certification that validates the skills and knowledge required for a successful career in Linux system administration.

The LFCS exam is a multiple-choice test designed to evaluate the technical knowledge of an individual in administering Linux-based systems. LFCS exam covers topics such as installation and configuration of a Linux system, executing basic commands, performing administrative tasks, and troubleshooting common issues. Linux Foundation Certified System Administrator certification is validated by industry experts and is recognized globally, making it a valuable asset for individuals looking to become system administrators, IT professionals, or DevOps engineers. Successful completion of the LFCS exam demonstrates a high level of proficiency in the Linux operating system and provides a strong foundation for a career in Linux administration.

 

NEW QUESTION # 20
What is the purpose of the Filesystem Hierarchy Standard?

• A. It defines a common internal structure of inodes for all compliant filesystems.
• B. It is a security model used to ensure files are organized according to their permissions and accessibility.
• C. It provides unified tools to create, maintain and manage multiple filesystems in a common way.
• D. It is a distribution neutral description of locations of files and directories.

Answer: D

NEW QUESTION # 21
What is the purpose of the Bash built-in export command?

• A. It allows disks to be mounted remotely.
• B. It runs a command as a process in a subshell.
• C. It makes the command history available to subshells.
• D. It shares NFS partitions for use by other systems on the network.
• E. It sets up environment variables for applications.

Answer: E

NEW QUESTION # 22
SIMULATION
What argument to the -type option of find will match files that are symbolic links? (Specify only the argument and no other options or words.)

Answer:

Explanation:
l

NEW QUESTION # 23
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. strace
• B. traceroute
• C. nessus
• D. lsof
• E. debug

Answer: D

NEW QUESTION # 24
Given a file called birthdays containing lines like:
YYYY-MM-DD Name
1983-06-02 Tim
1995-12-17 Sue
Which command would you use to output the lines belonging to all people listed whose birthday is in May or June?

• A. grep '[0-9]*-0[56]-' birthdays
• B. grep '[56]' birthdays
• C. grep 05?6? birthdays
• D. grep 06 birthdays | grep 05

Answer: A

NEW QUESTION # 25
CORRECT TEXT
Which port is the default server port for the HTTPS protocol? (Specify the port number using digits.)

Answer:

Explanation:
443

NEW QUESTION # 26
What is the default nice level when a process is started using the nice command?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

NEW QUESTION # 27
Which of the following commands displays the contents of a gzip compressed tar archive?

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

Answer: C

NEW QUESTION # 28
Which of the following commands connects to the remote host example.com which has OpenSSH listening on TCP port 2222? (Choose TWO correct answers.)

• A. ssh -o Port=2222 example.com
• B. ssh -p 2222 example.com
• C. ssh example.com:2222
• D. ssh --port 2222 example.com
• E. ssh -o GatewayPort=2222 example.com

Answer: A,B

NEW QUESTION # 29
What is the output of the following command?
for token in a b c; do
echo -n ${token};
done

• A. a b c
• B. anbncn
• C. abc
• D. {a}{b}{c}
• E. $token$token$token

Answer: C

NEW QUESTION # 30
Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

• A. SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;
• B. COUNT(SELECT order_type FROM orders);
• C. SELECT AUTO_COUNT FROM orders COUNT order_type;
• D. SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;
• E. SELECT COUNT(*) FROM orders ORDER BY order_type;

Answer: A

NEW QUESTION # 31
In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?

• A. -dirmax
• B. -maxlevels
• C. -s
• D. -maxdepth
• E. -n

Answer: D

NEW QUESTION # 32
CORRECT TEXT
How many IP-addresses can be used for unique hosts inside the IPv4 subnet
192.168.2.128/28? (Specify the number only without any additional information.)

Answer:

Explanation:
14

NEW QUESTION # 33
CORRECT TEXT
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

Answer:

Explanation:
cmdline, /proc/cmdline

NEW QUESTION # 34
Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?

• A. ssh-agent
• B. sshd
• C. ssh-add
• D. ssh-keygen

Answer: A

NEW QUESTION # 35
Which configuration file would be edited to change default options for the OpenSSH server?

• A. /etc/ssh/ssh_server
• B. /etc/ssh/ssh
• C. /etc/ssh/server
• D. /etc/ssh/sshd_config
• E. /etc/ssh/ssh_config

Answer: D

Explanation:
Explanation/Reference:

NEW QUESTION # 36
From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.)

• A. . /usr/local/bin/runme.sh
• B. /usr/local/bin/runme.sh
• C. run /usr/local/bin/runme.sh
• D. /bin/bash /usr/local/bin/runme.sh
• E. source /usr/local/bin/runme.sh

Answer: A,E

NEW QUESTION # 37
Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)

• A. chmod +s /tmp
• B. chmod +t /tmp
• C. chmod 4775 /tmp
• D. chmod 1775 /tmp
• E. chmod 2775 /tmp

Answer: B,D

NEW QUESTION # 38
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