File Info
| Exam | Red Hat Certified System Administrator (RHCSA) Exam |
| Number | EX200 |
| File Name | RedHat.EX200.ITMaterialsTribe.2020-11-16.63q.vcex |
| Size | 671 KB |
| Posted | Nov 16, 2020 |
| Download | RedHat.EX200.ITMaterialsTribe.2020-11-16.63q.vcex |
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Demo Questions
Question 1
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
- Answer see in the explanation.
Correct answer: A
Explanation:
# 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) # 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)
Question 2
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.
- Answer see in the explanation.
Correct answer: A
Explanation:
# 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 # 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
Question 3
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.
- Answer see in the explanation.
Correct answer: A
Explanation:
# cd /home/ # mkdir admins / # chown .admin admins/ # chmod 770 admins/ # chmod g+s admins/ # cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/
Question 4
Configure a task: plan to run echo hello command at 14:23 every day.
- Answer see in the explanation.
Correct answer: A
Explanation:
# which echo # crontab -e 23 14 * * * /bin/echo hello # crontab -l (Verify) # which echo
# crontab -e
23 14 * * * /bin/echo hello
# crontab -l (Verify)
Question 5
Find the files owned by harry, and copy it to catalog: /opt/dir
- Answer see in the explanation.
Correct answer: A
Explanation:
# cd /opt/ # mkdir dir # find / -user harry -exec cp -rfp /opt/dir/ \; # cd /opt/
# mkdir dir
# find / -user harry -exec cp -rfp /opt/dir/ \;
Question 6
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.
- Answer see in the explanation.
Correct answer: A
Explanation:
# cat /etc/testfile | while read line; do echo $line | grep abcde | tee -a /tmp/testfile done OR grep `abcde' /etc/testfile > /tmp/testfile # cat /etc/testfile | while read line;
do
echo $line | grep abcde | tee -a /tmp/testfile
done
OR
grep `abcde' /etc/testfile > /tmp/testfile
Question 7
Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.
- Answer see in the explanation.
Correct answer: A
Explanation:
# 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) # 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)
Question 8
Create a user named alex, and the user id should be 1234, and the password should be alex111.
- Answer see in the explanation.
Correct answer: A
Explanation:
# useradd -u 1234 alex # passwd alex alex111 alex111 OR echo alex111|passwd -stdin alex # useradd -u 1234 alex
# passwd alex
alex111
alex111
OR
echo alex111|passwd -stdin alex
Question 9
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. )
- Answer see in the explanation.
Correct answer: A
Explanation:
# cd /etc/yum.repos.d # vim local.repo [local] name=local.repo baseurl=file:///mntenabled=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 # 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
Question 10
Configure a HTTP server, which can be accessed through http://station.domain40.example.com.
Please download the released page from http://ip/dir/example.html.
- Answer see in the explanation.
Correct answer: A
Explanation:
# yum install -y httpd # chkconfig httpd on # cd /var/www/html # wget 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> # yum install -y httpd
# chkconfig httpd on
# cd /var/www/html
# wget 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>
