Name: Red Hat Certified System Administrator
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SKU: EX200
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Free RedHat EX200 Exam Actual Questions

The questions for EX200 were last updated On Apr 29, 2025

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Question No. 1

Download ftp://192.168.0.254/pub/boot.iso to /root, and mounted automatically under /media/cdrom and which take effect automatically at boot-start.

AExplanation:
# cd /root; wget ftp://192.168.0.254/pub/boot.iso
# mkdir -p /media/cdrom
# vim /etc/fstab
/root/boot.iso /media/cdrom iso9660 defaults,loop 0 0
# mount -a
mount [-t vfstype] [-o options] device dir

Show Answer

Correct Answer: A

Question No. 2

Configure NTP.

Configure NTP service, Synchronize the server time, NTP server: classroom.example.com

AExplanation:
Configure the client:
Yum -y install chrony
Vim /etc/chrony.conf
Add: server classroom.example.com iburst
Start: systemctl enable chronyd
systemctl restart chronyd
Validate: timedatectl status

Show Answer

Correct Answer: A

Question No. 3

Configure your Host Name, IP Address, Gateway and DNS.

Host name: dtop5.dn.ws.com

IP Address: 172.28.10.5/4

Gateway: 172.28.10.1

DNS: 172.28.10.1

AExplanation:
Configure Host Name
vim /etc/sysconfig/network NETWORKING=yes HOSTNAME=dtop5.dn.ws.com GATEWAY=172.28.10.1
2. Configure IP Address, Gateway and DNS
Configure the network by Network Manager:

Note: Please remember to choose two options:
Connect automatically
Available to all users
Click 'Apply', save and exit, and restart your network services:
# Service network restart
3. Validate these profiles:
a) Check gateway: # vim / etc / sysconfig / network
NETWORKING=yes
HOSTNAME=dtop5.dn.ws.com
GATEWAY=172.28.10.1
b) Check Host Name: # vim /etc/hosts

c) Check DNS: # vim /etc/resolv.conf
# Generated by NetworkManager
Search dn.ws.com
Nameserver 172.28.10.1
d) Check Gateway: # vim /etc/sysconfig/network-scripts/ifcfg-eth0

Show Answer

Correct Answer: A

Question No. 4

One Logical Volume named lv1 is created under vg0. The Initial Size of that Logical Volume is 100MB. Now you required the size 500MB. Make successfully the size of that Logical Volume 500M without losing any dat

a. As well as size should be increased online.

AExplanation:
The LVM system organizes hard disks into Logical Volume (LV) groups. Essentially, physical hard disk partitions (or possibly RAID arrays) are set up in a bunch of equal sized chunks known as Physical Extents (PE). As there are several other concepts associated with the LVM system, let's start with some basic definitions:
Physical Volume (PV) is the standard partition that you add to the LVM mix. Normally, a physical volume is a standard primary or logical partition. It can also be a RAID array.
Physical Extent (PE) is a chunk of disk space. Every PV is divided into a number of equal sized PEs. Every PE in a LV group is the same size. Different LV groups can have different sized PEs.
Logical Extent (LE) is also a chunk of disk space. Every LE is mapped to a specific PE.
Logical Volume (LV) is composed of a group of LEs. You can mount a file system such as /home and /var on an LV.
Volume Group (VG) is composed of a group of LVs. It is the organizational group for LVM. Most of the commands that you'll use apply to a specific VG.
Verify the size of Logical Volume: lvdisplay /dev/vg0/lv1
Verify the Size on mounted directory: df -h or df -h mounted directory name
Use: lvextend -L+400M /dev/vg0/lv1
ext2online -d /dev/vg0/lv1 to bring extended size online.
Again Verify using lvdisplay and df -h command.

Show Answer

Correct Answer: A

Question No. 5

Part 1 (on Node1 Server)

Task 6 [Accessing Linux File Systems]

Find all lines in the file /usr/share/mime/packages/freedesktop.org.xml that contain the string ich.

Put a copy of these lines in the original order in the file /root/lines.

/root/lines should contain no empty lines and all lines must be exact copies of the original lines in

/usr/share/mime/packages/freedesktop.org.xml

AExplanation:
*
[root@node1 ~]# cat /usr/share/mime/packages/freedesktop.org.xml | grep ich > /root/lines
[root@node1 ~]# cat /root/lines
<comment xml:lang='ast'>Ficheru codificu en BinHex de Machintosh</comment>
<comment xml:lang='fr'>fichier cod Macintosh BinHex</comment>
<comment xml:lang='gl'>ficheiro de Macintosh codificado con BinHex</comment>
<comment xml:lang='oc'>fichir encodat Macintosh BinHex</comment>
<comment xml:lang='pt'>ficheiro codificado em BinHex de Macintosh</comment>
<comment xml:lang='fr'>fichier bote aux lettres</comment>

Show Answer

Correct Answer: A