LFCS Practice Exams and Training Solutions for Certifications
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In order to apply for the NET, You have to follow these steps
- Go to the LFCS Official Site
- Read the instruction Carefully
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- Apply for the LFCS
NEW QUESTION 84
What does the symbol within regular expressions represent?
- A. Match the preceding qualifier one or more times.
- B. Match the preceding qualifier zero or more times.
- C. Match a literal character.
- D. Match the preceding qualifier zero or one times.
Answer: D
NEW QUESTION 85
Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?
- A. timeout
- B. splash
- C. showmenu
- D. hidemenu
Answer: A
NEW QUESTION 86
Which command will display the last line of the file foo.txt?
- A. tail -n 1 foo.txt
- B. head -n 1 foo.txt
- C. last -n 1 foo.txt
- D. tail foo.txt
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 87
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
- A. It would be passed to the default router 192.168.178.1 on wlan0.
- B. It would be directly transmitted on the device eth0.
- C. It would be passed to the router 192.168.1.1 on eth0.
- D. It would be directly transmitted on the device wlan0.
- E. It would be passed to the default router 255.255.255.0 on eth0.
Answer: C
NEW QUESTION 88
SIMULATION
What command displays all aliases defined in the current shell? (Specify the command without any path information)
Answer:
Explanation:
alias -or- alias -p
NEW QUESTION 89
When given the following command line.
echo "foo bar" | tee bar | cat
Which of the following output is created?
- A. foo bar
- B. tee bar
- C. foo
- D. bar
- E. cat
Answer: A
NEW QUESTION 90
What is the purpose of the file /etc/profile?
- A. It contains default application profiles for users that run an application for the first time.
- B. It contains security profiles defining which users are allowed to log in.
- C. It contains environment variables that are set when a user logs in.
- D. It contains the welcome message that is displayed after login.
Answer: C
NEW QUESTION 91
Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)
- A. The password of the group.
- B. The list of users that belong to the group.
- C. The description of the group.
- D. The name of the group.
- E. The home directory of the group.
Answer: A,B,D
Explanation:
Explanation/Reference:
NEW QUESTION 92
Which of the following statements is valid in the file /etc/nsswitch.conf?
- A. include /etc/nsswitch.d/
- B. hosts: files dns
- C. 192.168.168.4 dns-server
- D. multi on
Answer: B
NEW QUESTION 93
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
- A. /proc/keys
- B. /proc/inittab
- C. /etc/reboot
- D. /etc/keys
- E. /etc/inittab
Answer: E
NEW QUESTION 94
Which of the following commands lists the dependencies of a given dpkg package?
- A. apt-cache dependencies package
- B. apt-cache requires package
- C. apt-cache depends package
- D. apt-cache depends-on package
Answer: C
NEW QUESTION 95
Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)
- A. search
- B. substitute
- C. lookup
- D. nameserver
- E. method
Answer: A,D
NEW QUESTION 96
How is a display manager started?
- A. It is started by a user using the command startx.
- B. It is started by inetd when a remote hosts connects to the X11 port.
- C. It is started automatically when a X11 user logs in to the system console.
- D. It is started like any other system service by the init system.
Answer: D
NEW QUESTION 97
Which of the following statements is correct when talking about /proc/?
- A. All files within /proc/ are read-only and their contents cannot be changed.
- B. All changes to files in /proc/ are immediately recognized by the kernel.
- C. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
- D. All files within /proc/ are only readable by the root user.
Answer: B
NEW QUESTION 98
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 99
How can the current directory and its subdirectories be searched for the file named MyFile.xml?
- A. find . -name MyFile.xml
- B. grep -r MyFile.xml .
- C. search Myfile.xml ./
- D. less MyFile.xml
- E. grep MyFile.xml | find
Answer: A
NEW QUESTION 100
What is true regarding the file ~/.forward?
- A. When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.
- B. As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.
- C. Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.
- D. After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.
Answer: A
NEW QUESTION 101
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