FREE Linux Foundation Certified System Administrator v5.0 Questions and Answers

Question 1

When a process is launched using the nice command, what is the default nice level?

Accepted Answer

10

Answer

-10

Answer

0

Answer

20

Question 2

Why would someone use a screen reader?

Accepted Answer

It reads text displayed on the screen to blind or visually impaired people.

Answer

It reads the parameters of the attached monitors and creates an appropriate X11 configuration.

Answer

It manages and displays files that contain e-books.

Answer

It displays lines and markers to help people use speed reading techniques.

Question 3

What program is launched during a system boot cycle after the BIOS has finished its tasks?

Accepted Answer

The bootloader

Answer

The kernel

Answer

The inetd program

Answer

The init program

Question 4

How may the environment variable FOOBAR be disabled for the sole purpose of running my script?

Accepted Answer

env -u FOOBAR./myscript

Answer

env -i FOOBAR./myscript

Answer

unset -v FOOBAR;./myscript

Answer

set -a FOOBAR="";./myscript

Question 5

Which of the following is a facility for syslog? (Select TWO right responses.)

Accepted Answer

local7

Answer

remote

Answer

advanced

Answer

postmaster

Question 6

What about the ntpdate command is true?

Accepted Answer

It queries one or more NTP time servers and adjusts the system time accordingly.

Answer

It updates the local system's date (i.e. day, month and year) but not the time (i.e. hours, minutes, seconds).

Answer

It is the primary management command for the NTP time server.

Answer

It sends the local system time to one or many remote NTP time servers for redistribution.

Answer

It can be used by any user to set the user clock independently of the system clock.

Question 7

Which of the following commands moves and restarts the most recent shell task in the background?

Accepted Answer

bg

Answer

run

Answer

back

Answer

fg