[Dec-2021 Newly Released] LFCS Exam Questions For You To Pass
Linux Foundation LFCS Exam: Basic Questions With Answers
Introduction to LFCS Exam
The Linux Foundation Certified System Administrator (LFCS) certification from The Linux Foundation is a comprehensive Linux certification to verify and validate the skills of your Linux operating system. Linux is the number 1 operating system for web servers, cloud computing, smartphones, and consumer electronics. It has grown very rapidly over the years and even Microsoft has fully adopted Linux to run Microsoft Azure cloud workloads.
The IT industry is looking for more and more IT professionals with the ability to manage and administer the Linux operating system. This certification will help you validate these skills to advance your career.
NEW QUESTION 11
CORRECT TEXT
Which command, depending on its options, can display the open network connections, the routing tables, as well as network interface statistics. (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
netstat, /bin/netstat, ss, /usr/bin/ss
NEW QUESTION 12
CORRECT TEXT
Which world-writable directory should be placed on a separate partition inorder to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)
Answer:
Explanation:
/tmp, tmp, /var/tmp, /tmp/, /var/tmp/
NEW QUESTION 13
Which function key is used to start Safe Mode in Windows NT?
- A. F6
- B. Windows NT does not support Safe Mode
- C. F8
- D. F10
Answer: B
NEW QUESTION 14
CORRECT TEXT
What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.)
Answer:
Explanation:
menu .lst, grub.conf, grub.cfg
NEW QUESTION 15
Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and withoutany trailing spaces, is reached?
- A. <<
- B. <|
- C. !<
- D. &<
Answer: A
NEW QUESTION 16
How can the current directory and its subdirectories be searched for the file named MyFile.xml?
- A. find . -name MyFile.xml
- B. grep MyFile.xml | find
- C. less MyFile.xml
- D. grep -r MyFile.xml .
- E. search Myfile.xml ./
Answer: A
NEW QUESTION 17
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
- A. It would be directly transmitted on the device eth0.
- B. It would be passed to the default router 192.168.178.1 on wlan0.
- C. It would be passed to the default router 255.255.255.0 on eth0.
- D. It would be passed to the router 192.168.1.1 on eth0.
- E. It would be directly transmitted on the device wlan0.
Answer: D
NEW QUESTION 18
CORRECT TEXT
Which command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
groupadd, /usr/sbin/groupadd
NEW QUESTION 19
CORRECT TEXT
Please specify the top directory containing the configuration files for the CUPS printing system. (Specify the full path to the directory.)
Answer:
Explanation:
/etc/cups, /etc/cups/
NEW QUESTION 20
SIMULATION
Which parameter must be passed to ifconfig to activate a previously inactive network interface? (Specify the parameter only without any command, path or additional options)
Answer:
Explanation:
up
NEW QUESTION 21
Which of the following information is stored within the BIOS? (Choose TWO correct answers.)
- A. Timezone
- B. The system's hostname
- C. Hardware configuration
- D. Boot device order
- E. Linux kernel version
Answer: C,D
NEW QUESTION 22
CORRECT TEXT
Which directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file? (Specify the full path to the directory.)
Answer:
Explanation:
/etc/xinetd.d/, /etc/xinetd.d
NEW QUESTION 23
Which approach will provide a listing of the contents in a tar archive?
- A. Use the zless command.
- B. Use the grep command.
- C. Use the tar command with -t.
- D. Use the zlist command.
- E. Use the find command.
Answer: C
NEW QUESTION 24
CORRECT TEXT
What is the lowest numbered unprivileged TCP port? (Specify the number in digits only.)
Answer:
Explanation:
1024
NEW QUESTION 25
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
- A. echo "Hello" >/tmp/myfile.txt
- B. echo -n "Hello" >>/tmp/myfile.txt
- C. sed -ie "s/1/2/" /tmp/myfile.txt
- D. file /tmp/myfile.txt
- E. touch /tmp/myfile.txt
Answer: D
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: B
NEW QUESTION 27
What is the purpose of the Filesystem Hierarchy Standard?
- A. It provides unified tools to create, maintain and manage multiple filesystems in a common way.
- B. It is a distribution neutral description of locations of files and directories.
- C. It is a security modelused to ensure files are organized according to their permissions and accessibility.
- D. It defines a common internal structure of inodes for all compliant filesystems.
Answer: B
NEW QUESTION 28
Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?
- A. dig
- B. dnslookup
- C. zoneinfo
- D. hostname
- E. dnsq
Answer: A
NEW QUESTION 29
Which command can be used to delete a group from a Linux system?
- A. groupdel
- B. groupedit
- C. groupmod
- D. groups
Answer: A
NEW QUESTION 30
Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?
- A. kill -STOP 123
- B. kill -TERM 123
- C. kill -KILL 123
- D. kill -PIPE 123
Answer: B
NEW QUESTION 31
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