[2021.3] Get the latest Redhat EX300 exam practice questions and free Pdf dumps from Lead4Pass

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1. Redhat EX300 Dumps Pdf
2. Redhat EX300 Dumps Youtube
3. Redhat EX300 Exam Practice Test
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Latest Update Redhat EX300 Exam Practice Questions and Answers Online Test

QUESTION 1
SIMULATION
RHCE Test Configuration Instructions
Information for the two systems you will use in the test is the following:
system1.group3.example.com: is one of the main sever. system2.group3.example.com: mainly used as a client.
Password for both of the two systems is atenorth
System\\’s IP is provided by DHCP, you can regard it as normal, or you can reset to Static IP in accordance with the
following requirements:
system1.group3.example.com: 172.24.3.5
system2.group3.example.com: 172.24.3.10 The subnet mask is 255.255.255.0 Your system is a member of DNS
domain group3.example.com. All systems in DNS domain group3.example.com are all in the subnet
172.24.3.0/255.255.255.0, the same all systems in this subnet are also in group3.example.com, unless
specialized, all network services required to be configured can be accessed by systems of domain group3.
host.group3.example.com provides a centralized authentication service domain
GROUP3.EXAMPLE.COM, both system1 and system2 have already been pre-configured to be the client for this
domain, this domain provides the following user account:

The firewall is enabled by default, you can turn it off when deemed appropriate, other settings about the firewall may be in
separate requirements.
Your system will be restarted before scoring, so please ensure that all modifications and service configurations you
made still can be operated after the restart without manual intervention, virtual machine instances of all examinations
must be able to enter the correct multi-user level after restart without manual assistance, it will be scored zero if the test
using virtual machine system cannot be restarted or be properly restarted.
Corresponding distribution packages for the testing using the operating system Red Hat Enterprise Linux version can be
found in the following link: http://server1.group3.example.com/rhel
Part of the requirements include host security, ensure your host security limit does not prevent the request to allow the
host and network, although you correctly configured the network service but would have to allow the host or network is
blocked, this also does not score.
You will notice that some requirements which clearly do not allow services to be accessed by service domain my133t.org,
systems of this domain are in subnet 172.25.1.0/252.255.255.0, and systems of these subnets also belong to my
133t.org domain.
PS: Notice that some test questions may depend on other exam questions, for example, you might be asked to perform
a series of restrictions on a user, but this user creation may be required in other questions. For convenient identification,
each exam question has some radio buttons to help you identify which questions you have already completed or not
completed. Certainly, you do not need to care about these buttons if you don\\’t need them.
Implement/configure a Web Service.
Configure a site http://systeml. domain11.example.com/ on the system1, then execute the following steps:
(1)
Download file from http://rhgls.domain11.example.com/materials/station.html and rename this files index.html, don\\’t
modify the file contents; (2) Copy the file index.html to your web server\\’s DocumentRoot directory
(3)
Clients from domain group3.example.com can access this web service
(4)
Clients from the domain my133t.org deny access to this web service
A.
explanation
Correct Answer: A

systemctl restart firewalld

QUESTION 2
SIMULATION
Make on /storage directory that only the user owner and group owner member can fully access.
A. explanation
Correct Answer: A
1.
chmod 770 /storage
2.
Verify using : ls -ld /storage
Note:
The preview should be like: drwxrwx— 2 roots sysusers 4096 Mar 16 18:08 /storage
To change the permission on the directory we use the chmod command. According to the question that only the owner user
(root) and group member (sysusers) can fully access the directory so:
chmod 770 /archive

QUESTION 3
SIMULATION
RHCE Test Configuration Instructions
Information for the two systems you will use in test is the following:
system1.group3.example.com: is one of the main sever. system2.group3.example.com: mainly used as a client.
Password for both of the two systems is atenorth
System\\’s IP is provided by DHCP, you can regard it as normal, or you can reset to Static IP in accordance with the
following requirements:
system1.group3.example.com: 172.24.3.5
system2.group3.example.com: 172.24.3.10
The subnet mask is 255.255.255.0
Your system is a member of DNS domain group3.example.com. All systems in DNS domain group3.example.com are
all in subnet 172.24.3.0/255.255.255.0, the same all systems in this subnet are also in group3.example.com, unless
specialized, all network services required to be configured can be accessed by systems of domain group3.
host.group3.example.com provides a centralized authentication service domain
GROUP3.EXAMPLE.COM, both system1, and system2 have already been pre-configured to be the client for this
domain, this domain provides the following user account:

The firewall is enabled by default, you can turn it off when deemed appropriate, other settings about the firewall may be in
separate requirements.
Your system will be restarted before scoring, so please ensure that all modifications and service configurations you
made still can be operated after the restart without manual intervention, virtual machine instances of all examinations
must be
able to enter the correct multi-user level after restart without manual assistance, it will be scored zero if the test using
virtual machine system cannot be restarted or be properly restarted.
Corresponding distribution packages for the testing using the operating system Red Hat Enterprise Linux version can be
found in the following link:
http://server1.group3.example.com/rhel
Part of the requirements include host security, ensure your host security limit does not prevent the request to allow the
host and network, although you correctly configured the network service but would have to allow the host or network is
blocked, this also does not score.
You will notice that some requirements which clearly do not allow services to be accessed by service domain my133t.org,
systems of this domain are in subnet 172.25.1.0/252.255.255.0, and systems of these subnets also belong to my
133t.org
domain.
PS: Notice that some test questions may depend on other exam questions, for example, you might be asked to perform
a series of restrictions on a user, but this user creation may be required in other questions. For convenient
identification,
each exam question has some radio buttons to help you identify which questions you have already completed or not
completed. Certainly, you do not need to care about these buttons if you don\\’t need them.
Configure the Virtual Host.
Expand your web server on the system1, create a virtual host for the site
http://www.domain11.example.com then perform the following steps:
1.
Set the DocumentRoot to /var/www/virtual from http://rhgls.domain11.example.com/materials/www.html
2.
Download a file, rename it as index.html, don\\’t modify file index.html content
3.
Put the file index.html under the directory DocumentRoot of Virtual Host
4.
Ensure that user Andy can create files under directory /var/www/virtual
Note: original site http://systeml.domian11.example.com/ must still be able to be accessed.
Name server domain11.example.com provide the domain name resolution for the hostname of
www.domain11.example.com
A. explanation
Correct Answer: A

QUESTION 4

SIMULATION
There were two systems:
system1, the main system on which most of the configuration takes place
system2, some configuration here
Configure NFS mount.
Mount /nfsshare directory on desktopX under /public directory persistently at system boot time.
Mount /nfssecure/protected with krb5p secured share on desktopX beneath /secure/protected provided with keytab
http://station.network0.example.com/pub/
keytabs/desktopX.keytab
The user harry is able to write files on /secure directory
A. explanation
Correct Answer: A

QUESTION 5
SIMULATION
Whoever creates the files/directories on /storage group owner should be automatically should be the same group owner
of /storage.
A. explanation
Correct Answer: A
1.
chmod g+s /storage
2.
Verify using: ls -ld /storage
Note:
Permission should be like this:
drwxrws— 2 roots sysusers 4096 Mar 16 18:08 /storage If SGID bit is set on directory then who every user creates the
files on directory group owner automatically the owner of the parent directory.
To set the SGID bit: chmod g+s directory
To Remove the SGID bit: chmod g-s directory

QUESTION 6

SIMULATION
There were two systems: system1, main system on which most of the configuration takes place system2, some
configuration here
Secured webserver. Configure the website https://serverX.example.com with TLS SSL certificate file
http://classroom.example.com/pub/rhce/tls/certs/system1.networkX.crt SSLCertificatekeyfile
http://classroom.example.com/pub/rhce/tls/private/system1.networkX.key SSL CA certificate file
http://classroom.example.com/pub/example-ca.crt
A. explanation
Correct Answer: A

QUESTION 7

SIMULATION
Deploying your exam system: link to the ISCSI target in the instructor.example.com and distinguish it well, then format as
ext3 file system. You must be able to mount the file system of the ISCSI target to the /mnt/iscsi directory in your own
system and make this file system can automatically mount (permanently mount) after system restart.
A. explanation
Correct Answer: A

Note: This part also needs to be formatted and modify /etc/fstab mount

QUESTION 8
SIMULATION
Deploy your SMTP mail service and complete it by the following requirements: — Your mail service must be able to
receive the local and remote mails — harry must be able to receive the remote mail — The mail which is delivered to
mary should be put into the mail /var/spool/mail/mary
A. explanation
Correct Answer: A

QUESTION 9
SIMULATION
RHCE Test Configuration Instructions
Information for the two systems you will use in the test is the following:
system1.group3.example.com: is one of the main sever. system2.group3.example.com: mainly used as a client.
Password for both of the two systems is atenorth
System\\’s IP is provided by DHCP, you can regard it as normal, or you can reset to Static IP in accordance with the
following requirements:
system1.group3.example.com: 172.24.3.5
system2.group3.example.com: 172.24.3.10
The subnet mask is 255.255.255.0
Your system is a member of DNS domain group3.example.com. All systems in DNS domain group3.example.com are
all in subnet 172.24.3.0/255.255.255.0, the same all systems in this subnet are also in group3.example.com, unless
specialized, all network services required to be configured can be accessed by systems of domain group3.
host.group3.example.com provides a centralized authentication service domain
GROUP3.EXAMPLE.COM, both system1, and system2 have already been pre-configured to be the client for this
domain, this domain provides the following user account:

The firewall is enabled by default, you can turn it off when deemed appropriate, other settings about the firewall may be in
separate requirements.
Your system will be restarted before scoring, so please ensure that all modifications and service configurations you
made still can be operated after the restart without manual intervention, virtual machine instances of all examinations
must be able to enter the correct multi-user level after restart without manual assistance, it will be scored zero if the test
using virtual machine system cannot be restarted or be properly restarted.
Corresponding distribution packages for the testing using the operating system Red Hat Enterprise Linux version can be
found in the following link: http://server1.group3.example.com/rhel
Part of the requirements include host security, ensure your host security limit does not prevent the request to allow the
host and network, although you correctly configured the network service but would have to allow the host or network is
blocked, this also does not score.
You will notice that some requirements which clearly do not allow services to be accessed by service domain my133t.org,
systems of this domain are in subnet 172.25.1.0/252.255.255.0, and systems of these subnets also belong to my
133t.org domain.
PS: Notice that some test questions may depend on other exam questions, for example, you might be asked to perform
a series of restrictions on a user, but this user creation may be required in other questions. For convenient identification,
each exam question has some radio buttons to help you identify which questions you have already completed or not
completed. Certainly, you do not need to care about these buttons if you don\\’t need them.
Configure Multi-User SMB Mounts.
Share the directory /DevOps through SMB on the systeml, as required:
1.
The share name is DevOps
2.
The shared directory DevOps just can be used by clients in domain11.example.com
3.
The shared directory develop must be able to be browsed
4.
User silene must be able to access this share through reading, access code is RedHat
5.
User Akira must be able to access this share through reading and write, access code is RedHat
6.
This share permanently mounts to system2. domain11.example.com the user /mnt/dev, make user silene as
authentication any users can get temporary write permissions from Akira
A. explanation
Correct Answer: A
system1

system2:

Switch to user Akira on the system2, access to /mnt/dev, and view files
su Akira cd /mnt/dev ls cifscreds add system1 touch 1

QUESTION 10
SIMULATION
Configure the webserver, which can be accessed by http://station.domain30.example.com.
A. explanation
Correct Answer: A

QUESTION 11
SIMULATION
Create the directory /storage and the group owner should be the sysusers group.
A. explanation
Correct Answer: A
chgrp sysusers /storage
Verify using ls -ld /storage command.
You should get like drwxr-x— 2 root sysusers 4096 Mar 16 17:59 /storage chgrp command is used to change the group
ownership of particular files or directory.
Another way you can use the chown command.
chown root:sysusers /storage

QUESTION 12
SIMULATION
There were two systems:
system1, main system on which most of the configuration takes place system2,
some configuration here
Configure port forwarding.
Configure server X to forward traffic incoming on port 80/TCP from source network 172.25.X.0/255.255.255.0 to port on
5243/TCP.
A. explanation
Correct Answer: A

QUESTION 13
SIMULATION
There were two systems:
system1, the main system on which most of the configuration takes place
system2, some configuration here
SSH configuration.
Configure SSH access on your virtual hosts as follows.
Clients within my22ilt.org should NOT have access to ssh on your systems
A. explanation
Correct Answer: A

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