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Guide for EX200: RedHat Red Hat Certified System Administrator

Quiz EX200: RedHat Red Hat Certified System Administrator

Free Test
/ 10

Quiz

1/10
Configure your Host Name, IP Address, Gateway and DNS.
Host name: station.domain40.example.com
/etc/sysconfig/network
hostname=abc.com
hostname abc.com
IP Address:172.24.40.40/24
Gateway172.24.40.1
DNS:172.24.40.1
Select the answer
1 correct answer
# cd /etc/syscofig/network-scripts/
# ls
# vim ifcfg-eth0 (Configure IP Address, Gateway and DNS) IPADDR=172.24.40.40
GATEWAY=172.24.40.1
DNS1=172.24.40.1
# vim /etc/sysconfig/network
(Configure Host Name)
HOSTNAME= station.domain40.example.com
OR
Graphical Interfaces:
System->Preference->Network Connections (Configure IP Address, Gateway and DNS) Vim
/etc/sysconfig/network
(Configure Host Name)

Quiz

2/10
Add 3 users: harry, natasha, tom.
The requirements: The Additional group of the two users: harry, Natasha is the admin group. The
user: tom's login shell should be non-interactive.
Select the answer
1 correct answer
# useradd -G admin harry
# useradd -G admin natasha
# useradd -s /sbin/nologin tom
# id harry;id Natasha (Show additional group)
# cat /etc/passwd
(Show the login shell)
OR
# system-config-users

Quiz

3/10
Create a catalog under /home named admins. Its respective group is requested to be the admin
group. The group users could read and write, while other users are not allowed to access it. The files
created by users from the same group should also be the admin group.
Select the answer
1 correct answer
# cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/

Quiz

4/10
Configure a task: plan to run echo hello command at 14:23 every day.
Select the answer
1 correct answer
# which echo
# crontab -e
23 14 * * * /bin/echo hello
# crontab -l (Verify)

Quiz

5/10
Find the files owned by harry, and copy it to catalog: /opt/dir
Select the answer
1 correct answer
# cd /opt/
# mkdir dir
# find / -user harry -exec cp -rfp {} /opt/dir/ \;

Quiz

6/10
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.
Select the answer
1 correct answer
# cat /etc/testfile | while read line;
do
echo $line | grep abcde | tee -a /tmp/testfile
done
OR
grep `abcde' /etc/testfile > /tmp/testfile

Quiz

7/10
Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the
original swap partition.
Select the answer
1 correct answer
# fdisk /dev/sda
p
(check Partition table)
n
(create new partition: press e to create extended partition, press p to create the main partition, and
the extended partition is further divided into logical partitions) Enter
+2G
t
l
W
partx -a /dev/sda
partprobe
mkswap /dev/sda8
Copy UUID
swapon -a
vim /etc/fstab
UUID=XXXXX swap swap defaults 0 0
(swapon -s)

Quiz

8/10
Create a user named alex, and the user id should be 1234, and the password should be alex111.
Select the answer
1 correct answer
# useradd -u 1234 alex
# passwd alex
alex111
alex111
OR
echo alex111|passwd -stdin alex

Quiz

9/10
Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to
configure yum direct to the already existing file server.)
Select the answer
1 correct answer
# cd /etc/yum.repos.d
# vim local.repo
[local]
name=local.repo
baseurl=file:///mnt
enabled=1
gpgcheck=0
# yum makecache
# yum install -y vsftpd
# service vsftpd restart
# chkconfig vsftpd on
# chkconfig --list vsftpd
# vim /etc/vsftpd/vsftpd.conf
anonymous_enable=YES

Quiz

10/10
Configure a HTTP server, which can be accessed through [http://station.domain40.example.com.](http://station.domain40.example.com.)
Please download the released page from [http://ip/dir/example.html.](http://ip/dir/example.html.)
Select the answer
1 correct answer
# yum install -y httpd
# chkconfig httpd on
# cd /var/www/html
# wget [http://ip/dir/example.html](http://ip/dir/example.html)
# cp example.com index.html
# vim /etc/httpd/conf/httpd.conf
NameVirtualHost 192.168.0.254:80
<VirtualHost 192.168.0.254:80>
DocumentRoot /var/www/html/
ServerName station.domain40.example.com
</VirtualHost>
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Info quiz:

  • Quiz name:EX200: RedHat Red Hat Certified System Administrator
  • Total number of questions:136
  • Number of questions for the test:50
  • Pass score:80%

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