Workbook 4: System Initialization and Services Flashcards Preview

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Flashcards in Workbook 4: System Initialization and Services Deck (60)
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1

Which of the following controls the first part of the boot sequence?

BIOS

2

Which of the following controls the last part of the boot sequence?

/sbin/init

3

A bootloader usually passes control to which of the following?

the Linux kernel

4

Which is the first process started by the Linux kernel?

/sbin/init

5

Which of the following is responsible for initially mounting the root partition?

the Linux kernel

6

Which of the following is responsible for determining the appropriate boot device?

BIOS

7

Which of the following is usually found in a disk's Master Boot Record?

a bootloader

8

Which of the following is found in the ROM of a system's motherboard?

BIOS

9

What is the name of the protocol used to assign non-conflicting resource configurations to devices?

Plug-'n-Play

10

BIOS usually passes control to which of the following?

a bootloader

11

Which of the following files is GRUB's configuration file?

/boot/grub/grub.conf

12

What would be the conventional name of the initial ramdisk for the 2.6.32-8.el6 kernel?

/boot/initramfs-2.6.32-8.el6.img

13

What command is used to install GRUB?

grub-install

14

n GRUB's configuration file, lines beginning with which keyword define the user visible menu labels?

title

15

When booting, which file is executed as GRUB's stage 1?

The question is inappropriate, as GRUB's stage 1 lives in a Master Boot Record or bootsector.

16

How would GRUB refer to the file /etc/passwd?

(hd0,2)/etc/passwd

17

How would GRUB refer to the file /boot/grub/grub.conf?

None of the above

18

Where is the initial ramdisk referenced in the above configuration file located?

/boot/initrd-2.6.18-8.el5.img

19

When booting, approximately how long does the user have to select a menu item?

10 seconds

20

After editing the GRUB configuration file, which command must be run to implement the changes?

None of the above

21

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

3

22

Which runlevel is traditionally associated with shutting down a machine?

6

23

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

1) reboot
2) init 6
3) shutdown -r now
4) Entering CTRL+ALT+DELETE from the console.

24

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

6

25

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

The system will gracefully shutdown.

26

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

All of the above processes would have been started by init

27

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?

/etc/sysconfig/init

28

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

shutdown -h +120

29

ou 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?

Yo-yo

30

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

poweroff
halt
shutdown -h n now
init 0