Chapter 3

Question 1

Which of the following would be a reasonable default runlevel for a rack mounted network server?

Answer 1

3

Question 2

Which runlevel is traditionally associated with shutting down a machine?

Answer 2

0

Question 3

Which of the following command lines or actions could be used to reboot the machine?

Answer 3

All of the above

Question 4

Use the following information to answer the next question.

[elvis@station ~]$ grep ^id /etc/inittab
id:3:initdefault:
[elvis@station ~]$ grep ^ACTIVE /etc/sysconfig/init
ACTIVE_CONSOLES=/dev/tty[1-6]
[elvis@station ~]$ grep exec /etc/init/control-alt-delete.conf
exec /sbin/shutdown -h now “Control-Alt-Delete pressed”

Answer 4

-

Question 5

If a machine were booted without anyuser intervention, how many mingetty processes would be started directly by the init process?

Answer 5

6

Question 6

Upon pressing the CTRL-ALT-DEL key sequence, what will happen?

Answer 6

The system will gracefully shutdown.

Question 7

Once a machine has booted directly into runlevel 5, which of the following processes would not have been started directly by init?

Answer 7

All of the above processes would have been started by init

Question 8

You decide that you would like to have two additional virtual consoles present login prompts. What file should be edited to add the additional mingetty processes?

Answer 8

/etc/sysconfig/init

Question 9

Which of the following command lines would schedule a shutdown of the machine for 2 hours after it was executed?

Answer 9

shutdown -h +120

Question 10

You find a Red Hat Enterprise Linux machine with the following line in its /etc/inittab file.
id:6:initdefault:
What would be the most appropriate name for the machine?

Answer 10

yo-yo

Question 11

Which of the following commands could be used to perform an immediate shutdown of the machine?

Answer 11

All of the above