RedHat Redhat Certified Technician on Redhat Enterprise Linux 5 (Labs) - RH202 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Create the directory /data and group owner should be the sysadmin group.

A. chgrp sysadmin /data
Verify using ls -ld /data command. You should get like drwxr-x--- 2 root sysadmin 4291 Mar 16 17:60 /data chgrp command is used to change the group ownership of particular files or directory. B. chgrp sysadmin /data
Verify using ls -ld /data command. You should get like drwxr-x--- 2 root sysadmin 4096 Mar 16 17:59 /data chgrp command is used to change the group ownership of particular files or directory. Another way you can use the chown command. chown root:sysadmin /data

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Correct Answer: B Vote an answer

Question 2

You are a System administrator. Using Log files very easy to monitor the system. Now there are 50 servers running as Mail, Web, Proxy, DNS services etc. You want to centralize the logs from all servers into on LOG Server. How will you configure the LOG Server to accept logs from remote host ?

A. By Default system accept the logs only generated from local host. To accept the Logfrom other host configure:
1. vi /etc/sysconfig/syslog
SYSLOGD_OPTIONS="-m 0 -r"
Where -m 0 disables 'MARK' messages. -r enables logging from remote machines -x disables DNS lookups on messages recieved with -r
2. service syslog restart B. By Default system accept the logs only generated from local host. To accept the Logfrom other host configure:
1. vi /etc/sysconfig/syslog
SYSLOGD_OPTIONS="-m 0 -r"
Where -m 0 disables 'MARK' messages. -r enables logging from remote machines -x disables DNS lookups on messages received.

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Question 3

Who ever creates the files/directories on /data group owner should be automatically should be the same group owner of /data.

A. chmod g+s /data
Verify using: ls -ld /data Permission should be like: drwxrws--- 2 root sysadmin 4096 Mar 16 18:08 /data If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory B. chmod g+s /data
Verify using: ls -ld /data Permission should be like: drwxrws--- 2 root sysadmin 4090 Mar 16 18:07 /data If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory

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Question 4

There are three Disk Partitions /dev/hda8, /dev/hda9, /dev/hda10 having size 100MBof each partition. Create a Logical Volume named testvolume1 and testvolume2 having a size 250MB. Mount each Logical Volume on lvmtest1, lvmtest2 directory.

A. Steps of Creating LVM:
1. pvcreate /dev/hda8 /dev/hda9 /dev/hda10
pvdisplay command is used to display the information of physical volume.
vgceate test0 /dev/hda8 /dev/hda9 /dev/hda10vgdisplay command is used to display the information of Volume Group.
lvcreate -L 250M -n testvolume1 test0 lvdisplay command is used to display the information of Logical Volume.
lvcreate -L 250M -n testvolume2 test0
mkfs -t ext3 /dev/test0/testvolume1
mkfs -t ext3 /dev/test0/testvolume2
mkdir /lvtest1
mkdir /lvtest2
vi /etc/fstab /dev/test0/testvolume2 /lvtest2 ext3 defaults 0 0 /dev/test0/testvolume1 /lvtest1 ext3 defaults 0 0 To create the LVM( Logical Volume Manager) we required the disks having '8e' Linux LVM type. First we should create the physical Volume, then we can create the Volume group from disks belongs to physical Volume.
Physical Disk1 Logical Volume 1
Physical Disk2
Physical Disk3 Physical Volume Volume Group Logical Volume 2
Logical Volume 3 B. Steps of Creating LVM:
1. pvcreate /dev/hda8 /dev/hda9 /dev/hda10
pvdisplay command is used to display the information of physical volume.
vgceate test0 /dev/hda8 /dev/hda9 /dev/hda10vgdisplay command is used to display the information of Volume Group.
lvcreate -L 250M -n testvolume1 test0 lvdisplay command is used to display the information of Logical Volume.
lvcreate -L 250M -n testvolume2 test0
mkfs -t ext3 /dev/test0/testvolume1
mkfs -t ext3 /dev/test0/testvolume2
mkdir /lvtest1
mkdir /lvtest2
mount /dev/test0/testvolume1 /lvtest1
mount /dev/test0/testvolume2 /lvtest2
vi /etc/fstab /dev/test0/testvolume2 /lvtest2 ext3 defaults 0 0 /dev/test0/testvolume1 /lvtest1 ext3 defaults 0 0 To create the LVM( Logical Volume Manager) we required the disks having '8e' Linux LVM type. First we should create the physical Volume, then we can create the Volume group from disks belongs to physical Volume. lvcreate command is used to create the logical volume on volume group. We can specify the size of logical volume with -L option and name with -n option.
Physical Disk1 Logical Volume 1
Physical Disk2
Physical Disk3 Physical Volume Volume Group Logical Volume 2
Logical Volume 3

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Correct Answer: B Vote an answer

Question 5

There are three Disk Partitions /dev/hda8, /dev/hda9, /dev/hda10 having size 100MBof each partition. Create a Logical Volume named testvolume1 and testvolume2 having a size 250MB. Mount each Logical Volume on lvmtest1, lvmtest2 directory.

A. Steps of Creating LVM:
pvcreate /dev/hda8 /dev/hda9 /dev/hda10
pvdisplay command is used to display the information of physical volume.
vgceate test0 /dev/hda8 /dev/hda9 /dev/hda10
Physical Disk1 Logical Volume 1
Physical Disk2
Physical Disk3 Physical Volume Volume Group Logical Volume 2
Logical Volume 3
->vgdisplay command is used to display the information of Volume Group.
lvcreate -L 250M -n testvolume1 test0
->lvdisplay command is used to display the information of Logical Volume.
lvcreate -L 250M -n testvolume2 test0
mkfs -t ext3 /dev/test0/testvolume1
mount /dev/test0/testvolume2 /lvtest2
vi /etc/fstab /dev/test0/testvolume2 /lvtest2 ext3 defaults 0 0 /dev/test0/testvolume1 /lvtest1 ext3 defaults 0 0 To create the LVM( Logical Volume Manager) we required the disks having '8e' Linux LVM type. First we should create the physical Volume, then we can create the Volume group from disks belongs to physical Volume. lvcreate command is used to create the logical volume on volume group. We can specify the size of logical volume with -L option and name with -n option. B. Steps of Creating LVM:
pvcreate /dev/hda8 /dev/hda9 /dev/hda10
pvdisplay command is used to display the information of physical volume.
vgceate test0 /dev/hda8 /dev/hda9 /dev/hda10
Physical Disk1 Logical Volume 1
Physical Disk2
Physical Disk3 Physical Volume Volume Group Logical Volume 2
Logical Volume 3
->vgdisplay command is used to display the information of Volume Group.
lvcreate -L 250M -n testvolume1 test0
->lvdisplay command is used to display the information of Logical Volume.
lvcreate -L 250M -n testvolume2 test0
mkfs -t ext3 /dev/test0/testvolume1
mkfs -t ext3 /dev/test0/testvolume2
mkdir /lvtest1
mkdir /lvtest2
mount /dev/test0/testvolume1 /lvtest1
mount /dev/test0/testvolume2 /lvtest2
vi /etc/fstab /dev/test0/testvolume2 /lvtest2 ext3 defaults 0 0 /dev/test0/testvolume1 /lvtest1 ext3 defaults 0 0 To create the LVM( Logical Volume Manager) we required the disks having '8e' Linux LVM type. First we should create the physical Volume, then we can create the Volume group from disks belongs to physical Volume. lvcreate command is used to create the logical volume on volume group. We can specify the size of logical volume with -L option and name with -n option.

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Correct Answer: B Vote an answer

Question 6

One Logical Volume is created named as myvol under vo volume group and is mounted. The Initial Size of that Logical Volume is 124MB. Make successfully that the size of Logical Volume 245MB without losing any data. The size of logical volume 240MB to 255MB will be acceptable.

A. First check the size of Logical Volume: lvdisplay /dev/vo/myvol
Increase the Size of Logical Volume: lvextend -L+121M /dev/vo/myvol
Make Available the size on online: resize2fs /dev/vo/myvol
Verify the Size of Logical Volume: lvdisplay /dev/vo/myvol
Verify that the size comes in online or not: df -h We can extend the size of logical Volume using the lvextend command. As well as to decrease the size of Logical Volume, use the lvresize command. In LVM v2 we can extend the size of Logical Volume without unmount as well as we can bring the actual size of Logical Volume on online using ext2online command. B. First check the size of Logical Volume: lvdisplay /dev/vo/myvol
Increase the Size of Logical Volume: lvextend -L+121M /dev/vo/myvol
Make Available the size on online: resize2fs /dev/vo/myvol
Verify the Size of Logical Volume: lvdisplay /dev/vo/myvol
In LVM v2 we can extend the size of Logical Volume without unmount as well as we can bring the actual size of Logical Volume on online using ext2online command. C. First check the size of Logical Volume: lvdisplay /dev/vo/myvol
Increase the Size of Logical Volume: lvextend -L+121M /dev/vo/myvol
Verify that the size comes in online or not: df -h We can extend the size of logical Volume using the lvextend command. As well as to decrease the size of Logical Volume, use the lvresize command. In LVM v2 we can extend the size of Logical Volume without unmount as well as we can bring the actual size of Logical Volume on online using ext2online command.

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Question 7

You Completely Install the Redhat Enterprise Linux 5 on your System. While start the system, it's giving error to load X window System. How will you fix that problem and make boot successfully run X Window System.

A. Think while Problems occurred on booting System on Runlevel 5 (X Window).
/tmp is full or not
Quota is already reached
Video card or resolution or monitor is misconfigured.
xfs service is running or not. Do These:
df -h /tmp /tmp-> is full remove the unnecessary file
quota username-> if quota is already reached remove unnecessary file from home directory.
Set the Default Runlevel 5 in /etc/inittab id:5:initdefault:
Reboot the System you will get the GUI login Screen. B. Think while Problems occurred on booting System on Runlevel 5 (X Window).
/tmp is full or not
Quota is already reached
Video card or resolution or monitor is misconfigured.
xfs service is running or not.
Use command: system-config-display->It will display a dialog to configure the monitor, Video card, resolution etc.
Set the Default Runlevel 5 in /etc/inittab id:5:initdefault:
Reboot the System you will get the GUI login Screen. C. Think while Problems occurred on booting System on Runlevel 5 (X Window).
/tmp is full or not
Quota is already reached
Video card or resolution or monitor is misconfigured.
xfs service is running or not. Do These:
df -h /tmp /tmp-> is full remove the unnecessary file
quota username-> if quota is already reached remove unnecessary file from home directory.
Boot the System in runlevel 3. ->you can pass the Kernel Argument from boot loader.
Use command: system-config-display->It will display a dialog to configure the monitor, Video card, resolution etc.
Set the Default Runlevel 5 in /etc/inittab id:5:initdefault:
Reboot the System you will get the GUI login Screen.

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Correct Answer: C Vote an answer

Question 8

One New Kernel is released named kernel-hugemem. Kernel is available on ftp://server1.example.com under pub directory for anonymous. Install the Kernel and make previous new kernel is default to boot System.

A. 2. rpm -ivh ftp://server1.example.com/pub/kernel-hugemem-*
2. vi /etc/grub.conf Set the default to new kernel default=0 Example of /etc/grub.conf
default=0 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Red Hat Enterprise Linux ES (2.6.9-5.ELhugemem)
root (hd0,0) kernel /vmlinuz-2.6.9-5.ELhugemem ro root=LABEL=/1 rhgb quiet initrd
rpm command is used to install, update and remove the rpm package. -ivh option is install, verbose, and display the hash mark. B. 2. rpm -ivh ftp://server1.example.com/pub/kernel-hugemem-*
2. vi /etc/grub.conf Set the default to new kernel default=0 Example of /etc/grub.conf
default=0 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Red Hat Enterprise Linux ES (2.6.9-5.ELhugemem)
root (hd0,0) kernel /vmlinuz-2.6.9-5.ELhugemem ro root=LABEL=/1 rhgb quiet initrd /initrd-2.6.9-5.ELhugemem.img
title Red Hat Enterprise Linux ES (2.6.9-5.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-5.EL ro root=LABEL=/1 rhgb quiet
initrd /initrd-2.6.9-5.EL.img
rpm command is used to install, update and remove the rpm package. -ivh option is install, verbose, and display the hash mark.

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Question 9

Make Secondary belongs the both users on sysadmin group.

A. usermod -G sysadmin john
usermod -G sysadmin jane
Verify by reading /etc/group file Using usermod command we can make user belongs to different group. There are two types of group one primary and another is secondary. Primary group can be only one but user can belongs to more than one group as secondary. usermod -g groupname username To change the primary group of the user usermod -G groupname username To make user belongs to secondary group. B. usermod -G sysadmin john
usermod -G sysadmin jane
Verify by reading /etc/group file Using usermod command we can make user belongs to different group. There are two types of group one primary and another is secondary. Primary group can be only one but user can belongs to more than one group as secondary.

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Question 10

Create the directory /data and group owner should be the sysadmin group.

A. chgrp sysadmin /data
Verify using ls -ld /data command. You should get like drwxr-x--- 2 root sysadmin 4096 Mar 16 17:59 /data chgrp command is used to change the group ownership of particular files or directory. Another way you can use the chown command. chown root:sysadmin /data B. chgrp sysadmin /data
Verify using ls -ld /data command. You should get like drwxr-x--- 2 root sysadmin 4096 Mar 16 17:59 /data chgrp command is used to change the group ownership of particular files or directory.

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Question 11

Create the user named jane and john.

A. useradd jane
useradd john useradd command is used to create the user. All user's information stores in /etc/passwd and user;s shadow password stores in /etc/shadow. B. useradd jane
useradd john useradd command is used to create the user.

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Question 12

Install the Redhat Linux RHEL 5 through NFS. Where your Server is server1.example.com having IP 192.168.0.254 and shared /var/ftp/pub. The size of the partitions are listed below: / -> 1048 /home -> 1028 /boot -> 512 /var -> 1028 /usr -> 2048 Swap -> 1.5 of RAM Size /data configure the RAID Level 0 of remaining all free space. After completing the installation through NFS solve the following QUESTIONs. There are two networks 192.168.0.0/24 and 192.168.1.0/24. As well as there are two domains example.com on 192.168.0.0/24 network and cracker.org on 192.168.1.0/24 network. Your system is based on example.com domain.

A. Insert the CD on CD-ROM and start the system.
In Boot: Prompt type linux askmethod
It will display the language, keyboard selection.
It will ask you for the installation method.
Select the NFS Image from the list
It will ask the IP Address, Net mask, Gateway and Name Server. Select Use Dynamic IP Configuration: because DHCP Server will be configured in your exam lab.
It will ask for the NFS Server Name and Redhat Enterprise Linux Directory. Specify the NFS Server: 192.168.0.254 Directory: /var/ftp/pub
After Connecting to the NFS Server Installation start in GUI. Go up to the partition screen by selecting the different Options.
Click on RAID button
Type mount point /data
Select RAID Level 0
Click on ok
Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server
FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Printing Supports When installation will complete, your system will reboot. Jump for another QUESTION. B. Insert the CD on CD-ROM and start the system.
In Boot: Prompt type linux askmethod
It will display the language, keyboard selection.
It will ask you for the installation method.
Select the NFS Image from the list
It will ask the IP Address, Net mask, Gateway and Name Server. Select Use Dynamic IP Configuration: because DHCP Server will be configured in your exam lab.
It will ask for the NFS Server Name and Redhat Enterprise Linux Directory. Specify the NFS Server: 192.168.0.254 Directory: /var/ftp/pub
After Connecting to the NFS Server Installation start in GUI. Go up to the partition screen by selecting the different Options.
Create the partition According to the QUESTION because Size and what-what partition should you create at installation time is specified in your QUESTION
Create the two RAID partitions having equal size of remaining all free space.
Click on RAID button
Type mount point /data
Select RAID Level 0
Click on ok
Then select the MBR Options, time zone and go upto package selections. It is another Most Important Time of installation. Due to the time limit, you should care about the installation packages. At Exam time you these packages are enough. X-Window System GNOME Desktop (these two packages are generally not required) Administration Tools. System Tools Windows File Server
FTP Servers Mail Servers Web Servers Network Servers Editors Text Based Internet Server Configuration Tools Printing Supports When installation will complete, your system will reboot. Jump for another QUESTION.

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Question 13

Make on /archive directory that only the user owner and group owner member can fully access.

A. chmod 770 /archive
Verify using : ls -ld /archive Preview should be like: drwxrwx--- 2 root sysuser 4096 Mar 16 18:08 /archive To change the permission on directory we use the chmod command. B. chmod 770 /archive
Verify using : ls -ld /archive Preview should be like: drwxrwx--- 2 root sysuser 4096 Mar 16 18:08 /archive To change the permission on directory we use the chmod command. According to the QUESTION that only the owner user (root) and group member (sysuser) can fully access the directory so: chmod 770 /archive

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Question 14

Who ever creates the files/directories on /archive group owner should be automatically should be the same group owner of /archive.

A. chmod g+s /archive
Verify using: ls -ld /archive Permission should be like: drwxrws--- 2 root sysuser 4096 Mar 16 18:08 /archive If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory B. chmod g+s /archive
Verify using: ls -ld /archive Permission should be like: drwxrws--- 4 root sysuser 4090 Mar 16 18:08 /archive If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory.

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Question 15

Install the dialog-*

A. QUESTIONs asking you to install the dialog package from the server. In your Lab FTP server as well as NFS server are configured. You can install either through FTP or NFS.
Just Login to server1.example.com through FTP: ftp server1.example.com
Enter to pub directory: cd pub
Enter to RedHat/RPMS: cd RedHat/RPMS
Download the Package: mget dialog-*
Logout from the FTP server: bye
Install the package: rpm -ivh dialog-*
Verify the package either installed or not: rpm -q dialog B. QUESTIONs asking you to install the dialog package from the server. In your Lab FTP server as well as NFS server are configured. You can install either through FTP or NFS.
Just Login to server1.example.com through FTP: ftp server1.example.com
Enter to pub directory: cd pub
Logout from the FTP server: bye
Install the package: rpm -ivh dialog-*
Verify the package either installed or not: rpm -q dialog

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