RedHat Red Hat Certified System Administrator EX200 Exam Practice Test

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Total 136 questions

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Question 1

One Logical Volume named /dev/test0/testvolume1 is created. The initial Size of that disk is 100MB now you required more 200MB. Increase the size of Logical Volume, size should be increase on online.

AExplanation:
lvextend -L+200M /dev/test0/testvolume1 Use lvdisplay /dev/test0/testvolume1)
ext2online -d /dev/test0/testvolume1
lvextend command is used the increase the size of Logical Volume. Other command lvresize command also here to resize. And to bring increased size on online we use the ext2online command.

Answer : A

Question 2

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

Answer : A

Question 3

Configure a cron Task.

User natasha must configure a cron job, local time 14:23 runs and executes: */bin/echo hiya every day.

AExplanation:
crontab --e --u natasha
23 14/bin/echo hiya
crontab -l -u natasha // view
systemctlenable crond
systemcdlrestart crond

Answer : A

Question 4

Your System is configured in 192.168.0.0/24 Network and your nameserver is 192.168.0.254. Make successfully resolve to server1.example.com.

AExplanation:
nameserver is specified in question,
1. Vi /etc/resolv.conf
nameserver 192.168.0.254
2. host server1.example.com

Answer : A

Question 5

Copy /etc/fstab document to /var/TMP directory. According the following requirements to configure the permission of this document.

The owner of this document must be root.

This document belongs to root group.

User mary have read and write permissions for this document.

User alice have read and execute permissions for this document.

Create user named bob, set uid is 1000. Bob have read and write permissions for this document.

All users has read permission for this document in the system.

AExplanation:
cp /etc/fstab /var/tmp
chown root:root /var/tmp/fstab
chmod a-x /var/tmp/fstab
setfacl --m u:mary:rw /var/tmp/fstab
setfacl --m u:alice:rx /var/tmp/fstab
useradd --u 1000 bob

Answer : A

Question 6

You have a domain named www.rhce.com associated IP address is 192.100.0.2. Configure the Apache web server by implementing the SSL for encryption communication.

AExplanation:
vi /etc/httpd/conf.d/ssl.conf <VirtualHost 192.100.0.2> ServerName www.rhce.com DocumentRoot /var/www/rhce DirectoryIndex index.html index.htm ServerAdmin webmaster@rhce.com SSLEngine on SSLCertificateFile /etc/httpd/conf/ssl.crt/server.crt SSLCertificateKeyFile /etc/httpd/conf/ssl.key/server.key </VirtualHost>
cd /etc/httpd/conf
3 make testcert
Create the directory and index page on specified path. (Index page can download from ftp://server1.example.com at exam time)
service httpd start|restart
chkconfig httpd on
Apache can provide encrypted communications using SSL (Secure Socket Layer). To make use of encrypted communication, a client must request to https protocol, which is uses port 443. For HTTPS protocol required the certificate file and key file.

Answer : A

Question 7

There is a server having 172.24.254.254 and 172.25.254.254. Your System lies on 172.24.0.0/16. Make successfully ping to 172.25.254.254 by Assigning following IP: 172.24.0.x where x is your station number.

AExplanation:
Use netconfig command
Enter the IP Address as given station number by your examiner: example: 172.24.0.1
Enter Subnet Mask
Enter Default Gateway and primary name server
press on ok
ifdown eth0
ifup eth0
verify using ifconfig
In the lab server is playing the role of router, IP forwarding is enabled. Just set the Correct IP and gateway, you can ping to 172.25.254.254.

Answer : A