Difference between revisions of "Review Questions for Test 1"

From CDOT Wiki
Jump to: navigation, search
(Grub is a boot loader. It is used to load Linux kernel & driver module files in to memory by reading the configuration file. The name and path of GRUB configuration file is)
(Different Linux uses different tools to install package. As follow which is true?)
Line 90: Line 90:
 
* '''to produce links: "/etc/rc3.d/S92carpal" and "/etc/rc0.d/K08carpal"'''
 
* '''to produce links: "/etc/rc3.d/S92carpal" and "/etc/rc0.d/K08carpal"'''
  
=== Different Linux uses different tools to install package. As follow which is true?===
+
=== Different Linux distributions uses different tools to install package. Which one of following statements is true ?===
  
 
* '''Ubuntu uses apt-get, Opensuse uses zypper and Fedora uses yum or pkcon'''
 
* '''Ubuntu uses apt-get, Opensuse uses zypper and Fedora uses yum or pkcon'''

Revision as of 21:13, 15 October 2008

Contents

What command will list all partitions on all hard drives?

  • fdisk
  • fdisk -l
  • partprobe
  • FDISK

what is wrong with this statement?

dd if=/dev/zero of=/tmp/mytest.img bs-1024 count-10000

  • wrong of file type
  • cannot have zeroes in an img file
  • typing error
  • if and of in the wrong order

Which directory usually contains the GNU/Linux boot files?

  • /
  • /root
  • /boot
  • /home directory of user who is booting the system

The user password are stored in which file?

  • /etc/passwd
  • /etc/shadow
  • /etc/password
  • none of above

Grub is a boot loader. It is used to load Linux kernel & driver module files in to memory by reading the configuration file. The name and path of GRUB configuration file is

  • /etc/grub/grub.conf
  • /root/grub.conf
  • /etc/grub.conf
  • /boot/grub.conf

resize2fs command is used ?

  • to enlarge or shrink the size of partitions on harddisks
  • to change the physical volumes (PVs)
  • to enlarge or shrink the size of Logical Volumes (LVM)
  • to enlarge or shrink the ext2 and ext3 file systems

The Name and path of the linux kernel is

  • /boot/vmlinux.2.6.25.14-108.fc9.i686
  • /boot/initrd.2.6.25.14-108.fc9.i686
  • /boot/Linus.torvalds.2.6.25.14-108.fc9.i686
  • /boot/vmlinuz-2.6.26.3-29.fc9.i686

Linux need at least two minimum partitions for installation named

  • /root & swap
  • /root & /boot
  • / & swap
  • /root & /red knot

File system must requires a container. The container may be

  • Disk Partition
  • File
  • Logical volume (LVM)
  • All of above

To mount a new file system permanently, so that it is available automatically across the rebooting,a entry is required to made in a file, The name of the file is

  • /etc/inittab
  • /etc/fstab
  • /boot/grub/grub.conf
  • /etc/automounttab

What is the purpose of the sudo command?

  • to allow a permitted user to execute ftp
  • to start the Suse linux kernel
  • to allow a permitted user to execute a command as the superuser or another user
  • to switch to the root user

What command would you use to set the maximum mount count of the file system to 100?

  • tune2fs /dev/sda7 -c 100
  • tune2fs /dev/sda2 -m 100
  • resize2fs /dev/sda3 -c 100
  • resize2fs /dev/sda5 -m 100

There is one line "#chkconfig: 3 92 08" in your script file. Its name is carpal and it is saved in /etc/init.d/ directory. When you execute the command "chkconfig --add carpal", What will happen?

  • to produce links: "/etc/rc5.d/S92carpal" and "/etc/rc3.d/K08carpal"
  • to produce links: "/etc/rc5.d/S92carpal" and "/etc/rc0.d/K08carpal"
  • to produce links: "/etc/rc3.d/S92carpal" and "/etc/rc0.d/S08carpal"
  • to produce links: "/etc/rc3.d/S92carpal" and "/etc/rc0.d/K08carpal"

Different Linux distributions uses different tools to install package. Which one of following statements is true ?

  • Ubuntu uses apt-get, Opensuse uses zypper and Fedora uses yum or pkcon
  • Ubuntu uses pkcon or zypper, Opensuse uses yum and Fedora apt-get
  • Ubuntu uses zypper, Opensuse uses apt-get and Fedora uses yum or pkcon
  • Ubuntu uses yum, Opensuse uses pkcon and Fedora uses yum or apt-get

How to unpack the file "linux-2.6.26.tar.bz2"?

  • tar cvjf linux-2.6.26.tar.bz2
  • tar xvjf linux-2.6.26.tar.bz2
  • tar tvjf linux-2.6.26.tar.bz2
  • gunzip linux-2.6.26.tar.bz2|tar cvf -

How to compile kernel and modules?

  • make oldconfig
  • make
  • rpmdev-setuptree
  • make modules_install

How to create initial ram disk image?

  • initrd (hd1,0)/initrd-2.6.26.5-45.fc9.i686.img
  • initrd /initrd-2.6.26.5-45.fc9.i686.img
  • mkinitrd -k vmlinuz-2.6.26 -i initrd-2.6.26
  • mkinitrd (hd1,0)/initrd-2.6.26.5-45.fc9.i686.img

What is a daemon?

  • Just a process to stop another program
  • A software process that runs in the background and provides the service to client upon request
  • A process that runs one time. Once done it will stop
  • A process that prevents multiple occurances from running at one time

When Fedora normal startup, What is run-level?

  • 1
  • 3
  • 5
  • 7

Which command can reboot the system?

  • init 0
  • init 2
  • init 4
  • init 6

Circle one, which is true for findfs command ?

  • find a filesystem by label or UUID
  • find a filesystem by label and UUID
  • find a filesystem by UUID
  • none of the above

Arrange them in proper order, going first process to last process

  • A) kernel loads the needed kernel modules
  • B) init program
  • C) GRUB
  • D) ROM BIOS loads loader from MBR
  • E) loader finds and loads linux kernel and initial ram disk

D C E A B


The file system structure in GNU/Linux is like a inverted tree. The top of this inverted tree is started from

  • /root
  • /
  • /etc/root
  • /boot

option two (2) / is correct

What is the command to label as "videogames" the filesystem in the device /dev/bdisk ?

  • resize2fs /dev/bdisk videogames
  • fdisk /dev/bdisk videogames
  • e2label /dev/bdisk "videogames"
  • resize2fs /dev/bdisk videogames
  • e2label /dev/bdisk videogames

What is the device represented in the file grub.conf as (hd0,0) ?

  • /dev/hda3
  • /dev/sdc2
  • /dev/hda2
  • /dev/sda1
  • /dev/sdd2
  • /dev/sda2
  • /dev/sdb1

What is the device represented in the file grub.conf as (hd1,0) ?

  • /dev/hda3
  • /dev/sdd2
  • /dev/hda2
  • /dev/sdc2
  • /dev/sda1
  • /dev/sda2
  • /dev/sdb1

What is the device represented in the file grub.conf as (hd1,1) ?

  • /dev/sdb2
  • /dev/hda2
  • /dev/sdd2
  • /dev/sda1
  • /dev/sdc2
  • /dev/sda2
  • /dev/sdb1

What is the device represented in the file grub.conf as (hd0,2) ?

  • /dev/hda3
  • /dev/hda2
  • /dev/sda2
  • /dev/sda3
  • /dev/sdb1
  • /dev/sdc2
  • /dev/sdd2

pvcreate command is used for ?

  • Initialize a disk or partition for use by LVM
  • Creating a LVM
  • Scanning a LVM
  • none of above

_____ command is used to scan all the disks for volume groups and rebuild caches

  • vgchange
  • lvcreate
  • vgscan
  • lvm