[Apr-2026] Updated RedHat EX200 Dumps – PDF & Online Engine
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NEW QUESTION # 45
Part 1 (on Node1 Server)
Task 10 [Configuring NTP/Time Synchronization]
Configure your system so that it is an NTP client of utility.domain15.example.com The system time should be set to your (or nearest to you) timezone and ensure NTP sync is configured
Answer:
Explanation:
* [root@node1 ~]# yum install chrony
[root@node1 ~]# vim /etc/chrony.conf
pool utility.domain15.example.com iburst
[root@node1 ~]# systemctl enable chronyd
[root@node1 ~]# systemctl restart chronyd
[root@node1 ~]# systemctl status chronyd
[root@node1 ~]# tzselect
Please identify a location so that time zone rules can be set correctly.
Please select a continent, ocean, "coord", or "TZ".
1) Africa
2) Americas
3) Antarctica
4) Asia
11) TZ - I want to specify the time zone using the Posix TZ format.
#? 4
* Please select a country whose clocks agree with yours.
1) Afghanistan 18) Israel 35) Palestine
2) Armenia 19) Japan 36) Philippines
3) Azerbaijan 20) Jordan 37) Qatar
4) Bahrain 21) Kazakhstan 38) Russia
5) Bangladesh 22) Korea (North) 39) Saudi Arabia
#? 5
The following information has been given:
Bangladesh
Therefore TZ='Asia/Dhaka' will be used.
Is the above information OK?
1) Yes
2) No
#? 1
Asia/Dhaka
[root@node1 ~]# chronyc sources -v
^? utility.domain15.example> 0 7 0 - +0ns[ +0ns] +/- 0ns
NEW QUESTION # 46
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:
Explanation:
see explanation below.
Explanation
# cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/
NEW QUESTION # 47
Configure a cron Task.
User natasha must configure a cron job, local time 14:23 runs and executes: */bin/echo hiya every day.
Answer:
Explanation:
see explanation below.
Explanation
crontab -e -u natasha
23 14/bin/echo hiya
crontab -l -u natasha // view
systemctlenable crond
systemcdlrestart crond
NEW QUESTION # 48
Part 1 (on Node1 Server)
Task 8 [Managing Local Users and Groups]
Create a user fred with a user ID 3945. Give the password as iamredhatman
Answer:
Explanation:
* [root@node1 ~]# useradd -u 3945 fred
[root@node1 ~]# echo "iamredhatman" | passwd --stdin fred
Changing password for user fred.
passwd: all authentication tokens updated successfully
NEW QUESTION # 49
Install the appropriate kernel update from http://server.domain11.example.com/pub/updates.
The following criteria must also be met:
The updated kernel is the default kernel when the system is rebooted
The original kernel remains available and bootable on the system
Answer:
Explanation:
ftp server.domain11.example.com Anonymous login
ftp> cd /pub/updates ftp> ls
ftp> mget kernel* ftp> bye
rpm -ivh kernel*
vim /etc/grub.conf
Check the updatted kernel is the first kernel and the orginal kernel remains available. set default=0 wq!
NEW QUESTION # 50
SIMULATION
According the following requirements, configure autofs service and automatically mount to user's home directory in the ldap domain.
- Instructor.example.com (192.168.0.254) has shared /home/guests/ldapuserX home directory to your system by over NFS export, X is your hostname number.
- LdapuserX's home directory is exist in the instructor.example.com: /home/ guests/ldapuserX
- LdapuserX's home directory must be able to automatically mount to /home/ guests/ldapuserX in your system.
- Home directory have write permissions for the corresponding user.
However, you can log on to the ldapuser1 - ldapuser99 users after verification. But you can only get your corresponding ldapuser users. If your system's hostname is server1.example.com, you can only get ldapuser1's home directory.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation: mkdir -p /home/guests
cat /etc/auto.master:
/home/guests /etc/auto.ldap
cat /etc/auto.ldap:
ldapuser1 -rw instructor.example.com:/home/guests/ldapuser1
automatically mount all the user's home directory #* -rw instructor.example.com:/home/guests/&
NEW QUESTION # 51
A YUM repository has been provided at http://server.domain11.example.com/pub/x86_64/Server.
Configure your system to use this location as a default repository.
Answer:
Explanation:
vim/etc/yum.repos/base.repo
[base]
name=base
baseurl= http://server.domain11.example.com/pub/x86_64/Server
gpgcheck=0
enable=1
Save and Exit
Use yum list for validation, the configuration is correct if list the package information. If the Yum configuration is not correct then maybe cannot answer the following questions.
NEW QUESTION # 52
SIMULATION
Configure iptables, there are two domains in the network, the address of local domain is 172.24.0.0/16 other domain is 172.25.0.0/16, now refuse domain 172.25.0.0/16 to access the server.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation:
iptables -F
service iptables save
iptables -A INPUT -s 172.25.0.0/16 -j REJECT
service iptables save
service iptables restart
NEW QUESTION # 53
Part 2 (on Node2 Server)
Task 8 [Tuning System Performance]
Set your server to use the recommended tuned profile
Answer:
Explanation:
[root@node2 ~]# tuned-adm list
[root@node2 ~]# tuned-adm active
Current active profile: virtual-guest
[root@node2 ~]# tuned-adm recommend
virtual-guest
[root@node2 ~]# tuned-adm profile virtual-guest
[root@node2 ~]# tuned-adm active
Current active profile: virtual-guest
[root@node2 ~]# reboot
[root@node2 ~]# tuned-adm active
Current active profile: virtual-guest
NEW QUESTION # 54
SIMULATION
Make on /archive directory that only the user owner and group owner member can fully access.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation:
chmod 770 /archive
Verify using : ls -ld /archive Preview should be like:
drwxrwx--- 2 root sysuser 4096 Mar 16 18:08 /archive
To change the permission on directory we use the chmod command. According to the question that only the owner user (root) and group member (sysuser) can fully access the directory so: chmod 770 /archive
NEW QUESTION # 55
CORRECT TEXT
Configure the system synchronous as 172.24.40.10.
Answer:
Explanation:
Graphical Interfaces:
System-->Administration-->Date & Time
OR
# system-config-date
NEW QUESTION # 56
Part 1 (on Node1 Server)
Task 14 [Managing SELinux Security]
You will configure a web server running on your system serving content using a non-standard port (82)
Answer:
Explanation:
* [root@node1 ~]# curl http://node1.domain15.example.com
curl: (7) Failed to connect to node1.domain15.example.com port 80: Connection refused
[root@node1 ~]# yum install httpd
[root@node1 ~]# systemctl enable --now httpd
Created symlink /etc/systemd/system/multi-user.target.wants/httpd.service → /usr/lib/systemd/system/httpd.service.
[root@node1 ~]# systemctl start httpd
[root@node1 ~]# systemctl status httpd
Status: "Running, listening on: port 80"
* [root@node1 ~]# wget http://node1.domain15.example.com
2021-03-23 13:27:28 ERROR 403: Forbidden.
[root@node1 ~]# semanage port -l | grep http
http_port_t tcp 80, 81, 443, 488, 8008, 8009, 8443, 9000
[root@node1 ~]# semanage port -a -t http_port_t -p tcp 82
[root@node1 ~]# semanage port -l | grep http
http_port_t tcp 82, 80, 81, 443, 488, 8008, 8009, 8443, 9000
[root@node1 ~]# firewall-cmd --zone=public --list-all
[root@node1 ~]# firewall-cmd --permanent --zone=public --add-port=82/tcp
[root@node1 ~]# firewall-cmd --reload
[root@node1 ~]# curl http://node1.domain15.example.com
OK
* root@node1 ~]# wget http://node1.domain15.example.com:82
Connection refused.
[root@node1 ~]# vim /etc/httpd/conf/httpd.conf
Listen 82
[root@node1 ~]# systemctl restart httpd
[root@node1 ~]# wget http://node1.domain15.example.com:82
2021-03-23 13:31:41 ERROR 403: Forbidden.
[root@node1 ~]# curl http://node1.domain15.example.com:82
OK
NEW QUESTION # 57
Create the user named eric and deny to interactive login.
Answer:
Explanation:
useradd eric
passwd eric
vi /etc/passwd
eric:x:505:505::/home/eric:/sbin/nologin
Which shell or program should start at login time is specified in /etc/passwd file? By default, Redhat Enterprise Linux assigns the /bin/bash shell to the users. To deny the interactive login, you should write /sbin/nologin or /bin/ false instead of login shell.
NEW QUESTION # 58
Which Ansible keyword is used in a playbook to store the result (i.e. return code) of a task in a variable?
- A. set_fact
- B. result
- C. output
- D. register
- E. return
Answer: D
Explanation:
Explanation/Reference:
Reference https://docs.ansible.com/ansible/2.5/user_guide/playbooks_conditionals.html
NEW QUESTION # 59
Notes:
NFS NFS instructor.example.com:/var/ftp/pub/rhel6/dvd
YUM
http://instructor.example.com/pub/rhel6/dvd
Answer:
Explanation:
ldap http//instructor.example.com/pub/EXAMPLE-CA-CERT
Install dialog package.
yum install dialog
NEW QUESTION # 60
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