A Fully Updated 2024 EX200 Exam Dumps - PDF Questions and Testing Engine
Easy Success RedHat EX200 Exam in First Try
RedHat EX200 certification exam is an excellent way for Linux system administrators to validate their skills and knowledge, enhance their career prospects, and demonstrate their commitment to professional development. The RHCSA certification is highly respected in the industry, and holders of this certification are in high demand by employers looking for skilled and knowledgeable Linux system administrators.
Red Hat Certified System Administrator (RHCSA) Exam Overview
The performance-based EX200 exam is based on Red Hat® Enterprise Linux® 8.2 and assesses the candidate’s skills in system administration for various environments and deployment scenarios across all Red Hat products. If your ambition is to become a Red Hat Certified System Administrator, the three-hour-long exam is what it takes. Besides, the vendor suggests that EX200 is a must-have before you enroll in the Red Hat Linux Automation with Ansible (RH294) or decide to take the Red Hat Certified Engineer (RHCE) exam (EX294). For those interested in obtaining a role over and beyond RHCSA, this important exam will become a step to Red Hat Certified Architect, which is the highest certification level.
EX200 lasts for 180 minutes and costs $400 or 2 Training Units. You will not be allowed to use the Internet, bring books, notebooks, or any electronic documentation. When it comes to scores, neither examiners nor training partners have the right to report results to the candidates. The official score is exclusively delivered by Red Hat Certification Central, and this process usually takes up to 3 business days.
NEW QUESTION # 34
Part 1 (on Node1 Server)
Task 12 [Accessing Network-Attached Storage]
Configure autofs to automount the home directories of user remoteuserX. Note the following:
utility.domain15.example.com(172.25.15.9), NFS-exports /netdir to your system, where user is remoteuserX where X is your domain number remoteuserX home directory is utility.domain15.example.com:/netdir/remoteuserX remoteuserX home directory should be auto mounted locally at /netdir as /netdir/remoteuserX Home directories must be writable by their users while you are able to login as any of the remoteuserX only home directory that is accessible from your system
Answer:
Explanation:
* *
[root@host ~]#systemctl enable sssd.service
[root@host ~]#systemctl start sssg.service
[root@host ~]#getent passwd remoteuser15
[root@host ~]#yum install autofs
[root@host ~]#vim /etc/auto.master.d/home9.autofs
/netdir/remoteuser15 /etc/auto.home9
[root@host ~]#vim /etc/auto.home9
remoteuser15 -rw,sync utility.network15.example.com:/netdir/remoteuser15/&
[root@host ~]#systemctl enable autofs
[root@host ~]#systemctl restart autofs
[root@host ~]#su - remoteuser15
NEW QUESTION # 35
A Dockerfilecontains the statements:
COPY data/ /data/
VOLUME /data
What happens when the resulting container is started without any additional volume configuration? (Choose
two correct answers.)
- A. Changes to files within /data/ affect the Docker image and all other containers derived from it.
- B. Files existing in /data/ in the image are not available in the running container.
- C. Existing files from /data/ in the image are copied to the new volume.
- D. A new volume is created and mounted to /data/ within the new container.
- E. An error is raised because /data/ already contains data when the volume is mounted.
Answer: C,D
NEW QUESTION # 36
CORRECT TEXT
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:
# cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/
NEW QUESTION # 37
Configure your system so that it is an NTP client of server.domain11.example.com
Answer:
Explanation:
#system-config-date
Note: dialog box will open in that
Check mark Synchronize date and time over network. Remove all the NTP SERVER and click ADD and type server.domain11.example.com
****************And then press ENTER and the press OK***************
NEW QUESTION # 38
Which of the following statements are true about Jenkins? (Choose two correct answers.)
- A. Jenkins is specific to Java based applications.
- B. Jenkins' functionality is determined by plugins.
- C. Jenkins only works on local files and cannot use SCM repositories.
- D. Jenkins can delegate tasks to slave nodes.
- E. Jenkins includes a series of integrated testing suites.
Answer: D,E
NEW QUESTION # 39
Which Ansible modules can be used to change the contents of a file? (Choose three correct answers.)
- A. insert
- B. patch
- C. lineinfile
- D. modify
- E. replace
Answer: B,C,E
NEW QUESTION # 40
Configure your NFS services. Share the directory by the NFS Shared services.
Answer:
Explanation:
see explanation below.
Explanation
/etc/init.d/rpcbind start
/etc/init.d/nfslock start
/etc/init.d/nfs start
chkconfig rpcbind on
chkconfig nfslock on
chkconfig nfs on
showmount -e localhost
NEW QUESTION # 41
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 # 42
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:
Answer see in the explanation.
Explanation/Reference:
# 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 # 43
Create a 2G swap partition which take effect automatically at boot-start, and it should not affect the original swap partition.
Answer:
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)
NEW QUESTION # 44
Configure autofs to automount the home directories of LDAP users as follows:
host.domain11.example.com NFS-exports /home to your system.
This filesystem contains a pre-configured home directory for the user ldapuser11 ldapuser11's home directory is host.domain11.example.com /rhome/ldapuser11 ldapuser11's home directory should be automounted locally beneath /rhome as /rhome/ldapuser11 Home directories must be writable by their users ldapuser11's password is 'password'.
Answer:
Explanation:
see explanation below.
Explanation
* vim /etc/auto.master /rhome /etc/auto.misc
wq!
# vim /etc/auto.misc
ldapuser11 --rw,sync host.domain11.example.com:/rhome/ldpauser11 :wq!
#service autofs restart
* service autofs reload
* chkconfig autofs on
* su -ldapuser11
Login ldapuser with home directory
# exit
NEW QUESTION # 45
Configure a user account.
Create a user iaruid is 3400. Password is redhat
Answer:
Explanation:
see explanation below.
Explanation
useradd -u 3400 iar
passwd iar
NEW QUESTION # 46
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.
Answer:
Explanation:
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
NEW QUESTION # 47
CORRECT TEXT
Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available.
Answer:
Explanation:
# cat /etc/grub.conf
# cd /boot
# lftp it
# get dr/dom/kernel-xxxx.rpm
# rpm -ivh kernel-xxxx.rpm
# vim /etc/grub.conf
default=0
NEW QUESTION # 48
Part 1 (on Node1 Server)
Task 11 [Scheduling Future Tasks]
The user natasha must configure a cron job that runs daily at 14:23 local time and also the same cron job will run after every 2 minutes and executes:
/bin/echo hello
Answer:
Explanation:
* [root@node1 ~]# crontab -l -u natasha
no crontab for natasha
[root@node1 ~]# crontab -e -u natasha
23 14 * * * /bin/echo hello
*/2 * * * * /bin/echo 2min
crontab: installing new crontab
[root@node1 ~]# crontab -l -u natasha
23 14 * * * /bin/echo hello
*/2 * * * * /bin/echo 2min
[root@node1 ~]# systemctl status crond.service
* ### For Checking ###
[root@node1 ~]# tail -f /var/log/cron
Mar 23 13:23:48 node1 crontab[10636]: (root) REPLACE (natasha)
Mar 23 13:23:48 node1 crontab[10636]: (root) END EDIT (natasha)
Mar 23 13:23:50 node1 crontab[10638]: (root) LIST (natasha)
Mar 23 13:24:01 node1 crond[1349]: (root) FAILED (loading cron table)
Mar 23 13:24:02 node1 CROND[10673]: (natasha) CMD (/bin/echo 2min)
NEW QUESTION # 49
Install the Kernel Upgrade.
Install suitable kernel update from:
http://server.domain11.example.com/pub/updates.
Following requirements must be met:
Updated kernel used as the default kernel of system start-up.
The original kernel is still valid and can be guided when system starts up.
Answer:
Explanation:
Using the browser open the URL in the question, download kernel file to root or home directory.
uname -r// check the current kernel version
rpm -ivh kernel-*.rpm
vi /boot/grub.conf// check
Some questions are: Install and upgrade the kernel as required. To ensure that grub2 is the default item for startup.
Yum repo : http://content.example.com/rhel7.0/x86-64/errata
OR
uname -r // check kernel
Yum-config-manager --add-repo="http://content.example.com/rhel7.0/x86-64/ errata" Yum clean all Yum list kernel// install directly Yum -y install kernel// stuck with it, do not pipe! Please do not pipe!
Default enable new kernel grub2-editenv list// check
Modify grub2-set-default "kernel full name"
Grub2-mkconfig -o/boot/grub2/grub.cfg// Refresh
NEW QUESTION # 50
SELinux must be running in the Enforcing mode.
Answer:
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 # 51
Which of the following commands lists the cookbooks available on a Chef server?
- A. chef-server cookbook list
- B. knife cookbook list
- C. chef-solo cookbook list
- D. kitchen cookbook list
- E. chef-client cookbook list
Answer: A
NEW QUESTION # 52
Set cronjob for user natasha to do /bin/echo hiya at 14:23.
Answer:
Explanation:
# crontab -e -u natasha
23 14 * * * /bin/echo hiya
wq!
NEW QUESTION # 53
: 107 SIMULATION
Add an additional swap partition of 754 MB to your system.
The swap partition should automatically mount when your system boots.
Do not remove or otherwise alter any existing swap partitions on your system.
Answer:
Explanation:
see explanation below.
Explanation
* fdisk -l
* fdisk -cu /dev/vda
p n
e or p select e
default (first): enter
default (last): enter n
default(first): enter
default(first): +754M t (1-5)
l: 82 p
w #reboot
#mkswap /dev/vda5
* vim /etc/fstab
/dev/vda5 swap swap defaults 0 0
wq
* mount -a
* swapon -a
* swapon -s
NEW QUESTION # 54
Create User Account.
Create the following user, group and group membership:
Adminuser group
User natasha, using adminuser as a sub group
User Harry, also using adminuser as a sub group
User sarah, can not access the SHELL which is interactive in the system, and is not a member of adminuser, natasha,harry,sarah password is redhat.
Answer:
Explanation:
groupadd adminuser
useradd natasha -G adminuser
useradd haryy -G adminuser
useradd sarah -s /sbin/nologin
Passwd user name // to modify password or echo redhat | passwd --stdin user name id natasha // to view user group.
NEW QUESTION # 55
What must be the first line of a plain text user-data configuration containing YAML configuration for cloud-init?
- A. cloud-config:
- B. --- cloud-config
- C. #cloud-config
- D. [cloud-config]
- E. #!/usr/bin/cloud-init
Answer: C
Explanation:
Explanation/Reference:
Reference https://cloudinit.readthedocs.io/en/latest/topics/examples.html
NEW QUESTION # 56
Which configuration option in the Ansible inventory is issued control privilege escalation of the remote user?
- A. sudo
- B. elevate
- C. priv_user
- D. super
- E. become
Answer: E
Explanation:
Explanation/Reference:
Reference https://docs.ansible.com/ansible/2.6/user_guide/become.html
NEW QUESTION # 57
Configure your web services, download from http://instructor.example.com/pub/serverX.html And the services must be still running after system rebooting.
Answer:
Explanation:
cd /var/www/html
wget http://instructor.example.com/pub/serverX.html mv serverX.html index.html /etc/init.d/httpd restart chkconfig httpd on
NEW QUESTION # 58
......
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