CertBus 2019 Latest RedHat EX200 RHCSA Exam VCE and PDF Dumps for Free Download!

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Question 1:

We are working on /data initially the size is 2GB. The /dev/test0/lvtestvolume is mount on /data. Now you required more space on /data but you already added all disks belong to physical volume. You saw that you have unallocated space around 5 GB on your harddisk. Increase the size of lvtestvolume by 5GB.

Correct Answer: Check the anser in explanation.

Create a partition having size 5 GB and change the syste id \’8e\’.

use partprobe command

pvcreate /dev/hda9 Suppose your partition number is hda9.

vgextend test0 /dev/hda9 vgextend command add the physical disk on volume group.

lvextend -L 5120M /dev/test0/lvtestvolume

verify using lvdisplay /dev/test0/lvtestvolume.

Question 2:

Configure a default software repository for your system.

One

YUM has already provided to configure your system on http://server.domain11.example.com/pub/x86_64/Server, and can be used normally.

Correct Answer: Check the anser in explanation.

Yum-config-manager –add-repo=http://content.example.com/rhel7.0/x86-64/dvd” is to generate a file vim content.example.com_rhel7.0_x86_64_dvd.repo, Add a line gpgcheck=0 Yumcleanall Yumrepolist Almost 4305 packages are right, Wrong Yum Configuration will lead to some following questions cannot be worked out.

Question 3:

Find the rows that contain abcde from file /etc/testfile, and write it to the file/tmp/testfile, and the sequence is requested as the same as /etc/testfile.

Correct Answer: Check the anser in explanation.

# cat /etc/testfile | while read line; do echo $line | grep abcde | tee -a /tmp/testfile done OR grep `abcde\’ /etc/testfile > /tmp/testfile

Question 4:

Install the Kernel Upgrade.

Install suitable kernel update from:

http://server.domain11.example.com/pub/updates.

Following requirements must be met:

Updated kernel used as the default kernel of system start-up.

The original kernel is still valid and can be guided when system starts up.

Correct Answer: Check the anser in explanation.

Using the browser open the URL in the question, download kernel file to root or home directory. uname –r// check the current kernel version rpm –ivh kernel-*.rpm vi /boot/grub.conf// check Some questions are: Install and upgrade the kernel as required. To ensure that grub2 is the default item for startup. Yum repo : http://content.example.com/rhel7.0/x86-64/errata OR uname -r // check kernel Yum-config-manager –add-repo=“http://content.example.com/rhel7.0/x86-64/ errata” Yum clean all Yum list kernel// install directly Yum -y install kernel// stuck with it, do not pipe! Please do not pipe! Default enable new kernel grub2-editenv list// check Modify grub2-set-default “kernel full name” Grub2-mkconfig –o/boot/grub2/grub.cfg// Refresh

Question 5:

Configure the permissions of /var/tmp/fstab

Copy the file /etc/fstab to /var/tmp/fstab. Configure the permissions of /var/tmp/fstab so that:

the file /var/tmp/fstab is owned by the root user.

the file /var/tmp/fstab belongs to the group root.

the file /var/tmp/fstab should not be executable by anyone.

the user natasha is able to read and write /var/tmp/fstab.

the user harry can neither write nor read /var/tmp/fstab.

all other users (current or future) have the ability to read /var/tmp/fstab.

Correct Answer: Check the anser in explanation.

cp -a /etc/fstab /var/tmp

cd /var/tmp

ls -l

getfacl /var/tmp/fstab

chmod ugo-x /var/tmp/fstab

[ No need to do this, there won\’t be execute permission for the file by default]

# setfacl -m u:natasha:rw /var/tmp/fstab # setfacl -m u:harry:0 /var/tmp/fstab(zero)

[Read permission will be there for all the users, by default. Check it using ls -l /var/tmp/fstab] Verify by [ ls -la /var/tmp/fstab]

EX200 PDF DumpsEX200 Practice TestEX200 Exam Questions

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 400MB. Make successfully that the size of Logical Volume 200MB without losing any data. The size of logical volume 200MB to 210MB will be acceptable.

Correct Answer: Check the anser in explanation.

First check the size of Logical Volume: lvdisplay /dev/vo/myvol

Make sure that the filesystem is in a consistent state before reducing: # fsck -f /dev/vo/myvol

Now reduce the filesystem by 200MB. # resize2fs /dev/vo/myvol 200M

It is now possible to reduce the logical volume. #lvreduce /dev/vo/myvol -L 200M

Verify the Size of Logical Volume: lvdisplay /dev/vo/myvol

Verify that the size comes in online or not: df -h

Question 7:

Configure your system so that it is an NTP client of server.domain11.example.com

Correct Answer: Check the anser in explanation.

#system-config-date Note: dialog box will open in that Check mark Synchronize date and time over network. Remove all the NTP SERVER and click ADD and type server.domain11.example.com ****************And then press ENTER and the press OK***************

Question 8:

Binding to an external validation server.

System server.domain11.example.com provides a LDAP validation service, your system should bind to this service as required:

Base DN of validation service is dc=example,dc=com

LDAP

is used for providing account information and validation information Connecting and using the certification of http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to encrypt

After the correct configuration, ldapuser1 can log into your system, it does not have HOME directory until you finish autofs questions, ldapuser1 password is password.

Correct Answer: Check the anser in explanation.

yum -y install sssd authconfig-gtk krb5-workstation authconfig-gtk // open the graphical interface Modify user account database to ldap, fill up DN and LDAP SERVER as questions required, use TLS to encrypt connections making tick, write http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to download ca, authentication method choose ldap password. You can test if the ldapuser is added by the following command: Id ldapuser1 Note: user password doesn’t not need to set

Question 9:

Create User Account.

Create the following user, group and group membership:

Adminuser group

User natasha, using adminuser as a sub group

User Harry, also using adminuser as a sub group

User sarah, can not access the SHELL which is interactive in the system, and is not a member of adminuser, natashaharrysarah password is redhat.

Correct Answer: Check the anser in explanation.

groupadd adminuser useradd natasha -G adminuser useradd haryy -G adminuser useradd sarah -s /sbin/nologin Passwd user name // to modify password or echo redhat | passwd –stdin user name id natasha // to view user group.

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