Latest [Nov 04, 2022] Real RedHat EX200 Exam Dumps Questions
EX200 Dumps To Pass RHCSA Exam in One Day (Updated 136 Questions)
What Are Exam Topics for RHCSA Certification Test?
The RHCSA certification exam assesses a candidate's knowledge and competency in a vast range of IT areas. Thus, the student must demonstrate their aptitude in the following domains:
- Users and Groups — In this next segment, examinees must be skilled at configuring and customizing local user accounts, changing passwords for such accounts, tweaking local groups as well as group memberships, and also setting up superuser access.
- Essential Tools — This first area will evaluate how well examinees can use shell prompts and make commands in the right syntax, use input-output redirection, analyze texts with grep and regular expressions, use SSH to get into remote systems, log in and switch users, use star and bzip2 to store and unpack files, edit text files, delete and transfer files as well as directories, make soft and hard links, set and change ugo/rwx permissions, and finally, locate and utilize documentation for systems.
- File Systems — Here, candidates need to mount and use ext4 and xfs file systems, use NFS to increase & decrease file systems, broaden logical volumes, design & implement set-GID directories for collaboration, compress disks, maintain layered storage, and finally, assess and rectify file permission issues.
- Local Storage — This area checks a candidate's ability to make and delete partitions on MBR and GPT disks, remove physical volumes, designate physical volumes to volume groups, create and erase logical volumes, set up systems so they mount file systems according to their universally unique ID (UUID) or label when they boot, add extra partitions and logical volumes, and lastly, change to another system non-destructively.
- Simple Shell Scripts — This next category checks whether test-takers can run codes with conditional statements, process files with looping constructions, process inputs for scripts, processing shell command output, and exit codes.
- Running Systems — In this section, skills such as booting and rebooting a system perfectly, booting systems into another target manually, gaining access to a system by intervening in the boot process, killing memory intensive processes, scheduling a process, managing tuning profiles, finding as well as analyzing system log files and journals, saving system journals, stopping and checking the condition of network services, and transferring files safely among systems will all be tested.
- Containers — This last domain checks if candidates can do things such as withdraw container images from a remote registry, inspect container images, use commands such as skopeo and podman to carry out container management, list running containers, and connect persistent storage to a container.
NEW QUESTION 22
Create a new logical volume according to the following requirements:
The logical volume is named database and belongs to the datastore volume group and has a size of 50 extents.
Logical volumes in the datastore volume group should have an extent size of 16 MB.
Format the new logical volume with a ext3 filesystem.
The logical volume should be automatically mounted under /mnt/database at system boot time.
Answer:
Explanation:
fdisk -cu /dev/vda
partx -a /dev/vda
pvcreate /dev/vdax
vgcreate datastore /dev/vdax -s 16M
lvcreate-l 50 -n database datastore
mkfs.ext3 /dev/datastore/database
mkdir /mnt/database
mount /dev/datastore/database /mnt/database/ df -Th
vi /etc/fstab
/dev/datastore /database /mnt/database/ ext3 defaults 0 0 mount -a
NEW QUESTION 23
Which of the following statements is true about load balancers?
- A. Load balancers are a security risk because they obfuscate the origin of connections.
- B. Load balancers are a single point of failure because they cannot be deployed redundantly.
- C. Load balancer require access to private keys in order to be able to forward HTTPS traffic.
- D. Load balancer help to improve the availability and scalability of a service.
- E. Load balancers cannot use connection content, such as HTTP cookies, to route traffic.
Answer: D
NEW QUESTION 24
Part 1 (on Node1 Server)
Task 16 [Running Containers]
Configure your host journal to store all journal across reboot
Copy all journal files from /var/log/journal/ and put them in the /home/shangrila/container-logserver Create and mount /home/shangrila/container-logserver as a persistent storage to the container as /var/log/ when container start
Answer:
Explanation:
* [shangrila@node1 ~]$ podman ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d5ffe018a53c registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 5 seconds ago Up 4 seconds ago logserver
[shangrila@node1 ~]$ podman stats logserver
Error: stats is not supported in rootless mode without cgroups v2
[shangrila@node1 ~]$ podman stop logserver
d5ffe018a53ca7eb075bf560d1f30822ab6fe51eba58fd1a8f370eda79806496
[shangrila@node1 ~]$ podman rm logserver
Error: no container with name or ID logserver found: no such container
[shangrila@node1 ~]$ mkdir -p container-journal/
* [shangrila@node1 ~]$ sudo systemctl restart systemd-journald
[sudo] password for shangrila:
[shangrila@node1 ~]$ sudo cp -av /var/log/journal/* container-journal/
[shangrila@node1 ~]$ sudo cp -av /var/log/journal/* container-journal/
[shangrila@node1 ~]$ sudo chown -R shangrila container-journal/
[shangrila@node1 ~]$ podman run -d --name logserver -v /home/shangrila/container-journal/:/var/log/journal:Z registry.domain15.example.com:5000/rhel8/rsyslog
[shangrila@node1 ~]$ podman ps
[shangrila@node1 ~]$ loginctl enable-linger
[shangrila@node1 ~]$ loginctl show-user shangrila|grep -i linger
Linger=yes
* [shangrila@node1 ~]$ podman stop logserver
[shangrila@node1 ~]$ podman rm logserver
[shangrila@node1 ~]$ systemctl --user daemon-reload
[shangrila@node1 ~]$ systemctl --user enable --now container-logserver
[shangrila@node1 ~]$ podman ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
3903e1d09170 registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 4 seconds ago Up 4 seconds ago logserver
[shangrila@node1 ~]$ systemctl --user stop container-logserver.service
* [shangrila@node1 ~]$ sudo reboot
[shangrila@node1 ~]$ podman ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7e6cd59c506a registry.domain15.example.com:5000/rhel8/rsyslog:latest /bin/rsyslog.sh 10 seconds ago Up 9 seconds ago logserver
NEW QUESTION 25
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 26
Configure autofs to make sure after login successfully, it has the home directory autofs, which is shared as /rhome/ldapuser40 at the ip: 172.24.40.10. and it also requires that, other ldap users can use the home directory normally.
Answer:
Explanation:
# chkconfig autofs on
# cd /etc/
# vim /etc/auto.master
/rhome /etc/auto.ldap
# cp auto.misc auto.ldap
# vim auto.ladp
ldapuser40 -rw,soft,intr 172.24.40.10:/rhome/ldapuser40
* -rw,soft,intr 172.16.40.10:/rhome/&
# service autofs stop
# server autofs start
# showmount -e 172.24.40.10
# su - ladpuser40
NEW QUESTION 27
Configure a task: plan to run echo "file" command at 14:23 every day.
Answer:
Explanation:
see explanation below.
Explanation
(a) Created as administrator
# crontab -u natasha -e
23 14 * * * /bin/echo "file"
(b)Created as natasha
# su - natasha
$ crontab -e
23 14 * * * /bin/echo "file"
NEW QUESTION 28
Binding to an external validation server.
System server.domain11.example.com provides a LDAP validation service, your system should bind to this service as required:
Base DN of validation service is dc=example,dc=com
LDAP
is used for providing account information and validation information Connecting and using the certification of
http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to encrypt
After the correct configuration, ldapuser1 can log into your system, it does not have HOME directory until you finish autofs questions, ldapuser1 password is password.
Answer:
Explanation:
see explanation below.
Explanation
yum -y install sssd authconfig-gtk krb5-workstation authconfig-gtk // open the graphical interface Modify user account database to ldap, fill up DN and LDAP SERVER as questions required, use TLS to encrypt connections making tick, write http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to download ca, authentication method choose ldap password.
You can test if the ldapuser is added by the following command:
Id ldapuser1
Note: user password doesn't not need to set
NEW QUESTION 29
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 30
SIMULATION
Configure the FTP service in your system, allow remote access to anonymous login and download the program by this service. Service is still running after system rebooting.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation: yum install vsftpd
/etc/init.d/vsftpd start
chkconfig vsftpd on
NEW QUESTION 31
Part 1 (on Node1 Server)
Task 6 [Accessing Linux File Systems]
Find all lines in the file /usr/share/mime/packages/freedesktop.org.xml that contain the string ich.
Put a copy of these lines in the original order in the file /root/lines.
/root/lines should contain no empty lines and all lines must be exact copies of the original lines in
/usr/share/mime/packages/freedesktop.org.xml
Answer:
Explanation:
* [root@node1 ~]# cat /usr/share/mime/packages/freedesktop.org.xml | grep ich > /root/lines
[root@node1 ~]# cat /root/lines
<comment xml:lang="ast">Ficheru codificau en BinHex de Machintosh</comment>
<comment xml:lang="fr">fichier code Macintosh BinHex</comment>
<comment xml:lang="gl">ficheiro de Macintosh codificado con BinHex</comment>
<comment xml:lang="oc">fichier encodat Macintosh BinHex</comment>
<comment xml:lang="pt">ficheiro codificado em BinHex de Macintosh</comment>
<comment xml:lang="fr">fichier boite aux lettres</comment>
NEW QUESTION 32
Create a volume group, and set 16M as a extends. And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data.
Answer:
Explanation:
see explanation below.
Explanation
# pvcreate /dev/sda7 /dev/sda8
# vgcreate -s 16M vg1 /dev/sda7 /dev/sda8
# lvcreate -l 50 -n lvm02
# mkfs.ext4 /dev/vg1/lvm02
# blkid /dev/vg1/lv1
# vim /etc/fstab
# mkdir -p /mnt/data
UUID=xxxxxxxx /mnt/data ext4 defaults 0 0
# vim /etc/fstab
# mount -a
# mount
(Verify)
NEW QUESTION 33
Part 2 (on Node2 Server)
Task 7 [Implementing Advanced Storage Features]
Create a thin-provisioned filesystem with the name think_fs from a pool think_pool using the devices.
The filesystem should be mounted on /strav and must be persistent across reboot
Answer:
Explanation:
* [root@node2 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vdd 252:48 0 5G 0 disk
vde 252:64 0 10G 0 disk
└─vdo1 253:4 0 50G 0 vdo /vbread
[root@node2 ~]# yum install stratis* -y
[root@node2 ~]# systemctl enable --now stratisd.service
[root@node2 ~]# systemctl start stratisd.service
[root@node2 ~]# systemctl status stratisd.service
[root@node2 ~]# stratis pool create think_pool /dev/vdd
[root@node2 ~]# stratis pool list
Name Total Physical Properties
think_pool 5 GiB / 37.63 MiB / 4.96 GiB ~Ca,~Cr
* [root@node2 ~]# stratis filesystem create think_pool think_fs
[root@node2 ~]# stratis filesystem list
Pool Name Name Used Created Device UUID
think_pool think_fs 546 MiB Mar 23 2021 08:21 /stratis/think_pool/think_fs ade6fdaab06449109540c2f3fdb9417d
[root@node2 ~]# mkdir /strav
[root@node2 ~]# lsblk
[root@node2 ~]# blkid
/dev/mapper/stratis-1-91ab9faf36a540f49923321ba1c5e40d-thin-fs-ade6fdaab06449109540c2f3fdb9417d: UUID="ade6fdaa-b064-4910-9540-c2f3fdb9417d" BLOCK_SIZE="512" TYPE="xfs"
* [root@node2 ~]# vim /etc/fstab
UUID=ade6fdaa-b064-4910-9540-c2f3fdb9417d /strav xfs defaults,x-systemd.requires=stratisd.service 0 0
[root@node2 ~]# mount /stratis/think_pool/think_fs /strav/
[root@node2 ~]# df -hT
/dev/mapper/stratis-1-91ab9faf36a540f49923321ba1c5e40d-thin-fs-ade6fdaab06449109540c2f3fdb9417d xfs 1.0T 7.2G 1017G 1% /strav
NEW QUESTION 34
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
Answer:
Explanation:
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
NEW QUESTION 35
SIMULATION
SELinux must be running in the Enforcing mode.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation:
getenforce // Check the current mode of SELinux // SELinux runs in enforcing mode // Check getenforce 1 getenforce vim /etc/selinux/config selinux=enforcing // To temporarily enable SELinux
:wg
sestatus
NEW QUESTION 36
Configure a task: plan to run echo hello command at 14:23 every day.
Answer:
Explanation:
see explanation below.
Explanation
# which echo
# crontab -e
23 14 * * * /bin/echo hello
# crontab -l (Verify)
NEW QUESTION 37
Your System is going to use as a Router for two networks. One Network is 192.168.0.0/24 and Another Network is 192.168.1.0/24. Both network's IP address has assigned. How will you forward the packets from one network to another network?
Answer:
Explanation:
see explanation below.
Explanation
* echo "1" >/proc/sys/net/ipv4/ip_forward
* vi /etc/sysctl.conf
net.ipv4.ip_forward = 1
If you want to use the Linux System as a Router to make communication between different networks, you need enable the IP forwarding. To enable on running session just set value 1 to
/proc/sys/net/ipv4/ip_forward. As well as automatically turn on the IP forwarding features on next boot set on
/etc/sysctl.conf file.
NEW QUESTION 38
Who ever creates the files/directories on a data group owner should automatically be in the same group owner as data.
Answer:
Explanation:
see explanation below.
Explanation
1. chmod g+s /data
2. Verify using: ls -ld /data
Permission should be like this: drwxrws--- 2 root sysadmin 4096 Mar 16 18:08 /data If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory
NEW QUESTION 39
Add user: user1, set uid=601
Password: redhat
The user's login shell should be non-interactive.
Answer:
Explanation:
see explanation below.
Explanation
# useradd -u 601 -s /sbin/nologin user1
# passwd user1
redhat
NEW QUESTION 40
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:
crontab -e -u natasha
23 14/bin/echo hiya
crontab -l -u natasha // view
systemctlenable crond
systemcdlrestart crond
NEW QUESTION 41
......
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