LFCS PDF Dumps | Feb 02, 2022 Recently Updated Questions
LFCS Exam Questions – Valid LFCS Dumps Pdf
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
- User and Group Management
- Service Configuration
- Operation of Running Systems
- Storage Management
NEW QUESTION 115
CORRECT TEXT
Which command is used to create and initialize the files used to store quota information? (Specify ONLY the commandwithout any path or parameters.)
Answer:
Explanation:
quotacheck
NEW QUESTION 116
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 117
Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line?
- A. i (lowercase)
- B. P (uppercase)
- C. u (lowercase)
- D. p (lowercase)
- E. U (uppercase)
Answer: D
NEW QUESTION 118
Which of the following file permissions belong to a symbolic link?
- A. +rwxrwxrwx
- B. -rwxrwxrwx
- C. srwxrwxrwx
- D. lrwxrwxrwx
Answer: D
NEW QUESTION 119
SIMULATION
Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information?
(Specify ONLY the option without any values or parameters.)
Answer:
Explanation:
server
NEW QUESTION 120
When the command echo $ outputs 1, which of the following statements is true?
- A. It is the process ID of the echo command.
- B. It is the exit value of the echo command.
- C. It is the process ID of the current shell.
- D. It is the exit value of the command executed immediately before echo.
Answer: D
NEW QUESTION 121
CORRECT TEXT
Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)
Answer:
Explanation:
HISTFILE
NEW QUESTION 122
Which of the following statements is correct when talking about /proc/?
- A. All files within/proc/ are only readable by the root user.
- B. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
- C. All changes to files in /proc/ are immediately recognized by the kernel.
- D. All files within /proc/ are read-only and their contents cannot be changed.
Answer: C
NEW QUESTION 123
What output will the command seq 10 produce?
- A. A continuous stream of numbers increasing in increments of 10 until stopped.
- B. The numbers 1 through 10 with one number per line.
- C. The number 10 to standard output.
- D. The numbers 0 through 9 with one number per line.
Answer: B
NEW QUESTION 124
During a system boot cycle, what program is executed after the BIOS completes its tasks?
- A. The init program
- B. The bootloader
- C. The inetd program
- D. The kernel
Answer: B
NEW QUESTION 125
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
Answer: E
NEW QUESTION 126
Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)
- A. ifconfig
- B. trackroute
- C. route
- D. netstat
- E. dig
Answer: C,D
NEW QUESTION 127
Which of the following steps prevents a user from obtaining an interactive login session?
- A. Remove the user from the group staff.
- B. Set the UID for the user to 0.
- C. Create a .nologin file in the user's home directory.
- D. Add the user to /etc/noaccess.
- E. Run the command chsh -s /bin/false with the user name.
Answer: E
NEW QUESTION 128
Which of the following commands is used to change options and positional parameters for a runningBash?
- A. envsetup
- B. bashconf
- C. setsh
- D. history
- E. set
Answer: E
NEW QUESTION 129
CORRECT TEXT
By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)
Answer:
Explanation:
/etc/skel
NEW QUESTION 130
SIMULATION
By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the user add command? (Specify the full path to the directory.)
Answer:
Explanation:
/etc/skel
NEW QUESTION 131
Where are user specific crontabs stored?
- A. In the .crontab file in the user's home directory.
- B. In the file /var/cron/user-crontab which is shared by all users.
- C. As individual per-user files in /etc/cron.user.d.
- D. In the database file /etc/crontab.db which is shared by all users.
- E. As individual per-user files within /var/spool/cron.
Answer: E
NEW QUESTION 132
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 133
Which of the following are commonly used Mail Transfer Agent (MTA) applications? (Choose THREE correct answers.)
- A. Procmail
- B. Sendmail
- C. Exim
- D. Postfix
- E. SMTPd
Answer: B,C,D
NEW QUESTION 134
In compliance with the FHS, in which of the directories are man pages found?
- A. /var/man
- B. /var/pkg/man
- C. /usr/share/man
- D. /usr/doc/
- E. /opt/man
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION 135
CORRECT TEXT
Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
dpkg -reconfigure
NEW QUESTION 136
What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)
- A. route del default
- B. netstat -r default
- C. sysctl ipv4.default_gw=0
- D. ip route del default
- E. ifconfig unset default
Answer: A,D
NEW QUESTION 137
How can the existing environment variable FOOBAR be suppressed for the execution of the script./ myscript only?
- A. env -i FOOBAR./myscript
- B. set -a FOOBAR="";./myscript
- C. unset -v FOOBAR;./myscript
- D. env -u FOOBAR./myscript
Answer: D
NEW QUESTION 138
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 139
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