Pass Your Exam With 100% Verified LFCS Exam Questions

LFCS Dumps PDF - LFCS Real Exam Questions Answers

Topics of LFCS Exam

Candidates must know the exam topics before they start of preparation. Because, it will really help them in hitting the core. Our LFCS dumps will include the following topics:

• Networking
• Service Configuration
• Operation of Running Systems
• User and Group Management

 

NEW QUESTION 63
What does the command mount -a do?

• A. It ensures that all file systems listed with the option auto in /etc/fstab are mounted.
• B. It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.
• C. It opens an editor with root privileges and loads /etc/fstab for editing.
• D. It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.
• E. It shows all mounted file systems that have been automatically mounted.

Answer: A

 

NEW QUESTION 64
What output will the following command produce?
seq 1 5 20

• A. 5
  10
  15
  20
• B. 1
  2
  3
  4
• C. 1
  6
  1
  1
  1
  6
• D. 2
  3
  4
  5
• E. 1
  5
  10
  15

Answer: C

 

NEW QUESTION 65
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 66
Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

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

Answer: B

 

NEW QUESTION 67
What is true regarding the file ~/.forward?

• A. Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.
• B. When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.
• C. As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.
• D. After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.

Answer: B

 

NEW QUESTION 68
Which of the following are syslog facilities? (Choose TWO correct answers.)

• A. remote
• B. mail
• C. local7
• D. advanced
• E. postmaster

Answer: B,C

 

NEW QUESTION 69
Which command can be used to delete a group from a Linux system?

• A. groupdel
• B. groupmod
• C. groups
• D. groupedit

Answer: A

 

NEW QUESTION 70
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 file system on which the script resides must be mounted with the option scripts.
• 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 script file must have the executable permission bit set.
• E. The script file must be found in the $PATH.

Answer: B,D,E

 

NEW QUESTION 71
What is the purpose of the nsswitch.conf file?

• A. It is used to configure LDAP authentication services for the local system.
• B. It is used to configure which network services will be turned on during the next system boot.
• C. It is used to configure where the C library looks for system information such as host names and user passwords.
• D. It is used to configure network protocol port numbers such as for HTTP or SMTP.

Answer: C

 

NEW QUESTION 72
What is the purpose of the command mailq?

• A. It fetches new emails from a remote server using POP3 or IMAP.
• B. It is a command-line based tool for reading and writing emails.
• C. It queries the mail queue of the local MTA.
• D. It is a proprietary tool contained only in the qmail MTA.
• E. It is a multi-user mailing list manager.

Answer: C

 

NEW QUESTION 73
CORRECT TEXT
Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

Answer:

Explanation:
mkdir, /usr/bin/mkdir

 

NEW QUESTION 74
What is the effect of the egrep command when the -v option is used?

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

Answer: A

 

NEW QUESTION 75
Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

• A. Boot device order
• B. Hardware configuration
• C. Timezone
• D. The system's hostname
• E. Linux kernel version

Answer: A,B

 

NEW QUESTION 76
How can the current directory and its subdirectories be searched for the file named MyFile.xml?

• A. search Myfile.xml ./
• B. less MyFile.xml
• C. grep -r MyFile.xml .
• D. find . -name MyFile.xml
• E. grep MyFile.xml | find

Answer: D

 

NEW QUESTION 77
SIMULATION
Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)

Answer:

Explanation:
/etc/hosts.allow

 

NEW QUESTION 78
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 example.com:2222
• B. ssh -o GatewayPort=2222 example.com
• C. ssh -o Port=2222 example.com
• D. ssh --port 2222 example.com
• E. ssh -p 2222 example.com

Answer: C,E

 

NEW QUESTION 79
SIMULATION
After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer's queue? (Specify ONLY the command without any path or parameters.)

Answer:

Explanation:
lpq -or- /usr/bin/lpq -or- lpstat

 

NEW QUESTION 80
Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

• A. 2003.0.113.15,2001:db8::15 www.example.com www
• B. 2001:db8::15 www.example.com www
• C. 203.0.113.15 www.example.com www
• D. www.example.com,www 203.0.13.15,2001:db8::15
• E. www.example.com www 203.0.13.15

Answer: B,C

 

NEW QUESTION 81
Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)

• A. up
• B. time -up
• C. uname -u
• D. uptime
• E. top

Answer: D,E

 

NEW QUESTION 82
Which of the following commands moves and resumes in the background the last stopped shell job?

• A. back
• B. bg
• C. fg
• D. run

Answer: B

 

NEW QUESTION 83
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: C

 

NEW QUESTION 84
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 85
......

LFCS Dumps 100 Pass Guarantee With Latest Demo: https://troytec.examstorrent.com/LFCS-exam-dumps-torrent.html