LFCS Sample Questions Answers

Which port is the default server port for the HTTPS protocol? (Specify the port number using digits.)

Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)

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

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

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.)

Which of the following statements is valid in the file /etc/nsswitch.conf?

What information can the lspci command display about the system hardware? (Choose THREE correct answers.)

Which of the following commands is used to update the list of available packages when using dpkg based package management?

Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?

What output will the following command produce?

seq 1 5 20

Which of the following commands puts the output of the command date into the shell variable mydate?

Regarding the command:

nice -5 /usr/bin/prog

Which of the following statements is correct?

Which command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)

Which of the following is the device file name for the second partition on the only SCSI drive?

Which of the following commands is used to change options and positional parameters for a runningBash?

With IPv6, how many bits have been used for the interface identifier of an unicast address? (Specify the number using digits only.)

Which umask value will result in the default access permissions of 600 (rw-------) for files and 700 (rwx------) for directories? (Specify only the numerical umask value.)

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

What is true regarding the command userdel --force --remove bob? (Choose TWO correct answers.)

Where are user specific crontabs stored?

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?

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

During a system boot cycle, what program is executed after the BIOS completes its tasks?

Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)

Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?

What is the purpose of the file /etc/profile?

For accessibility assistance, which of the following programs is an on-screen keyboard?

What happens after issuing the command vi without any additional parameters?

Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)

How is a display manager started?

Which of the following details is NOT provided in any output from the netstat utility?

Which of the followingcommand sets the Bash variable named TEST with the content FOO?

In Bash, inserting 1>&2 after a command redirects

Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)

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

What does the command mount -a do?