EX300 Exam Questions & Answers

Exam Code: EX300

Exam Name: Red Hat Certified Engineer (RHCE)

Updated: Apr 10, 2024

Q&As: 88

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Practice These Free Questions and Answers to Pass the RHCE certification Exam

Questions 1


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:


The subnet mask is

Your system is a member of DNS domain group3.example.com. All systems in DNS domain group3.example.com are all in subnet, 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:

Firewall is enabled by default, you can turn it off when deemed appropriate, other settings about 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 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 be accessed by service domain my133t.org, systems of this domain are in subnet, 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 these buttons if you don't need them.

Dynamic WEB content

Configure dynamic web content to provide on the system1, as required:

Dynamic content provided by a virtual machine named dynamic.domain11.example.com

Virtual host listening on port 8909

Download a script from http://rhgls.domain11.example.com/materials/webapp.wsgi, then put it in the right place, don't modify the file content in any situations

Dynamically generated web page should be received when clients access http://


This http:// dynamic.domain11.example.com:8909/ must be able to be accessed by all system of


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Questions 2


Given the kernel of a permanent kernel parameters: sysctl=1. It can be shown on cmdline after restarting the system. Kernel of /boot/grub/grub.conf should be a34dded finally, as:

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Questions 3

SIMULATION Please set the selinux status as enforcing.

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Questions 4


There were two systems:

system1, main system on which most of the configuration take 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

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Questions 5


There were two systems:

system1, main system on which most of the configuration take place

system2, some configuration here

iSCSI Initiator

The serverX.example.com provides an iscsi port (3260). Connect the disk with desktopX.example.com and configure filesystem with the following requirements.

Create 800 MB partition on iSCSI block device and assign the filesystem as xfs

Mount the volume under /mnt/initiator at the system boot time

The filesystem should contain the copy of http://station.network0.example.com/pub/iscsi.txt

The file should be owned by root with 0644 permission

NOTE: the content of the file should not be modified

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