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The RHCSA exam is designed to validate the skills and knowledge of IT professionals who work with Red Hat Enterprise Linux systems. EX200 Exam covers a wide range of topics, including system configuration, file management, user and group management, network services, and security. Candidates who pass the exam are recognized as experts in managing and administering Red Hat Enterprise Linux systems and are well-equipped to handle complex IT environments.
The EX200 certification exam covers 10 main topics that you need to master before taking the test. Thus, you should know the following details of the exam content:
This topic is all about your skills in running a service inside a container, attaching persistent storage to a container, and inspecting container images. A potential candidate needs to know how to perform basic container management, such as starting, running, listing, and stopping running containers, and container management with the use of commands, including skopeo and podman. If you know about finding and retrieving the container images from a remote registry, you will be also able to get a higher score during the test.
The domain covers your skills in creating, deleting, and modifying local groups, group memberships, and local user accounts. If you know how to configure superuser access and adjust password aging and change passwords for local user accounts, you will be able to answer the questions from this area.
For this subject, you need to have skills in scheduling tasks using cron and at, configuring the time service clients, working with package module streams, as well as starting and stopping services and configuring them to start automatically at boot. It is also essential to know how to modify the system bootloader and configure systems to boot into a specific target automatically. Your ability to update and install software packages from a remote repository, Red Hat Network, or from the local file system will also define your overall result.
The subtopics of this objective include your understanding of how to configure hostname resolution, IPv4 & IPv6 addresses, and network services to start automatically at boot. Your skills in restricting network access with the use of firewall-cmd/firewall are also one of the important abilities to possess.
This topic will test your skills in creating and deleting logical volumes, adding new partitions and logical volumes, swapping to a system non-destructively, and assigning physical volumes to volume groups. It is also important to know how to create, list, and delete partitions on GPT and MBR disks as well as how to configure systems to mount the file systems at boot by universally UUID or label.
In this domain, it is important to know how to use regular and grep expressions to analyze text, create soft and hard links, use input-output redirection, and log in the users and switch them in multiuser targets. It also includes your expertise in accessing the remote systems with the use of SSH and shell prompt and issue commands with correct syntax. Your ability to unpack, compress, uncompress, and archive files with the use of star, tar, bzip2, and gzip will be crucial.
This area requires that you have knowledge of how to manage tuning profiles, preserve system journals, securely transfer files between systems, and adjust process scheduling. You will be able to answer the questions related to the interruption of the boot process in order to gain access to a system, identification of the memory/CPU intensive processes and killing of these processes, as well as adjustment of the process scheduling. This domain also evaluates your knowledge of how to shut down, boot, and reboot a system normally.
NEW QUESTION # 27
Who ever creates the files/directories on archive group owner should be automatically should be the same group owner of archive.
Answer:
Explanation:
chmod g+s /archive
Verify using: ls -ld /archive Permission should be like:
drwxrws--- 2 root sysuser 4096 Mar 16 18:08 /archive
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 # 28
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:
Explanation:
see explanation below.
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)
NEW QUESTION # 29
Part 2 (on Node2 Server)
Task 3 [Managing Logical Volumes]
Create a new volume group in the name of datavg and physical volume extent is 16 MB Create a new logical volume in the name of datalv with the size of 250 extents and file system must xfs Then the logical volume should be mounted automatically mounted under /data at system boot time
Answer:
Explanation:
* [root@node2 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vdb 252:16 0 5G 0 disk
โโvdb1 252:17 0 4.2G 0 part
โโvgrz-lvrz 253:2 0 4.1G 0 lvm /datarz
vdc 252:32 0 5G 0 disk
vdd 252:48 0 5G 0 disk
vde 252:64 0 10G 0 disk
[root@node2 ~]# parted /dev/vdc mklabel msdos
[root@node2 ~]# parted /dev/vdc mkpart primary 1MiB 4200MiB
[root@node2 ~]# parted /dev/vdc set 1 lvm on
* [root@node2 ~]# udevadm settle
[root@node2 ~]# pvcreate /dev/vdc1
Physical volume "/dev/vdc1" successfully created.
[root@node2 ~]# vgcreate -s 16M datavg /dev/vdc1
Volume group "datavg" successfully created
[root@node2 ~]# lvcreate -n datalv -L 4000M datavg
Logical volume "datalv" created.
[root@node2 ~]# mkfs.xfs /dev/datavg/datalv
[root@node2 ~]# mkdir /data
[root@node2 ~]# blkid
/dev/mapper/datavg-datalv: UUID="7397a292-d67d-4632-941e-382e2bd922ce" BLOCK_SIZE="512" TYPE="xfs"
* [root@node2 ~]# vim /etc/fstab
UUID=7397a292-d67d-4632-941e-382e2bd922ce /data xfs defaults 0 0
[root@node2 ~]# mount UUID=7397a292-d67d-4632-941e-382e2bd922ce /data
[root@node2 ~]# reboot
[root@node2 ~]# df -hT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/datavg-datalv xfs 3.9G 61M 3.9G 2% /data
NEW QUESTION # 30
The user authentication has been provided by ldap domain in 192.168.0.254. According the following requirements to get ldapuser.
-LdapuserX must be able to login your system, X is your hostname number. But the ldapuser's home directory cannot be mounted, until you realize automatically mount by autofs server.
- All ldap user's password is "password".
Answer:
Explanation:
see explanation below.
Explanation
system-config-authentication &
NEW QUESTION # 31
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 # 32
......
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