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| Section | Objectives |
|---|---|
| Topic 1: Manage software | - Install and remove RPM packages - Install and remove Flatpak packages - Configure RPM repositories - Configure Flatpak repositories |
| Topic 2: Manage basic networking | - IPv4 and IPv6 configuration - Network services at boot - Firewall configuration with firewalld and firewall-cmd - Hostname resolution |
| Topic 3: Create simple shell scripts | - Processing command output - Conditional execution - Looping constructs - Processing script inputs |
| Topic 4: Configure local storage | - Physical volumes - File system mounting using UUID or labels - Volume groups - Adding partitions, logical volumes, and swap - Logical volumes - GPT disk partitions |
| Topic 5: Understand and use essential tools | - File archiving and compression - File permissions - Remote system access using SSH - File and directory management - Users and multi-user targets - Input and output redirection - Text analysis with grep and regular expressions - Shell access and command syntax - System documentation - Creating and editing text files - Hard and soft links |
| Topic 6: Manage users and groups | - Local user account management - Privileged access configuration - Password and password aging management - Local group management |
| Topic 7: Operate running systems | - Secure file transfer - Process monitoring and termination - Tuning profiles - Interrupt the boot process - Network services - Boot, reboot, and shut down systems - Boot systems into different targets - Process scheduling - System logs and journals |
| Topic 8: Deploy, configure, and maintain systems | - Software installation and updates - Time service clients - Default boot target configuration - Bootloader configuration - Service management - Task scheduling with at, cron, and systemd timers |
| Topic 9: Create and configure file systems | - VFAT, ext4, and XFS file systems - File permission troubleshooting - Autofs - Extending logical volumes - NFS file systems |
| Topic 10: Manage security | - SELinux enforcing and permissive modes - Default file permissions - SELinux file context restoration - SSH key-based authentication - SELinux Boolean settings - SELinux port labels - SELinux file and process contexts - Firewall configuration |
PrüfungFrage bietet eine klare und ausgezeichnete Lösung für jeden RedHat EX200 Prüfungskandidaten. Wir versorgen Sie mit den ausführlichen RedHat EX200 Prüfungsfragen und Antworten. Unser Team von IT-Experten ist das erfahrenste und qualifizierteste. Unsere Testfragen und Antworten sind fast gelich wie die echte Prüfung. Das ist wirklich großartig. Am wichtigsten ist, dass die Erfolgsquote von PrüfungFrage die höchste in der Welt ist.
68. Frage
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.
Antwort:
Begründung:
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
69. Frage
CORRECT TEXT
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.
Antwort:
Begründung:
# 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>
70. Frage
Create a Container Image
As the user "wallah," download the Containerfile from http://classroom/Containerfile.
Do not modify the content of this file. Build an image named "pdf."
Antwort:
Begründung:
Solution:
# Install container management tools
[root@node1 ~]# dnf -y install container-tools
# Execute operations as the user wallah
[root@node1 ~]# ssh wallah@localhost
# Download the container build file
[wallah@node1 ~]# wget http://classroom/Containerfile
# Log in to the image registry
[wallah@node1 ~]# podman login -u admin -p redhat321 registry.lab.example.com
# Build the container image using the Containerfile in the current directory, with the image name "pdf"
[wallah@node1 ~]# podman build -t pdf .
# View the images
[wallah@node1 ~]$ podman images
REPOSITORY TAG IMAGE ID CREATED SIZE
localhost/pdf latest 1d6e7ea71460 31 seconds ago 300 MB
registry.lab.example.com/ubi9-beta/ubi latest 28b0a4b69d9b 2 years ago 229 MB
71. Frage
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.
Antwort:
Begründung:
# 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)
72. Frage
Find Files
Find all files belonging to the user "jacques" and move them to the directory /root/findfiles under the root directory.
Antwort:
Begründung:
[root@node1 ~]# mkdir /root/findfiles
[root@node1 ~]# find / -user jacques
[root@node1 ~]# find / -user jacques -exec cp -a {} /root/findfiles \;
# Verification
[root@node1 ~]# ll /root/findfiles/
73. Frage
......
Im Informationszeitalter kümmern sich viele Leute um die IT-Branche. Aber es fehlen trozt den vielen Exzellenten doch IT-Fachleute. Viele Firmen stellen ihre Angestellte nach ihren Fragenkataloge Zertifikaten ein. Deshalb sind die Zertifikate bei den Firmen sehr beliebt. Aber es ist nicht so leicht, diese Zertifikate zu erhalten. Die RedHat EX200 Zertifizierungsprüfung ist eine schwierige Zertifizierungsprüfung. Obwohl viele Menschen beteiligen sich an der RedHat EX200 Zertifizierungsprüfung, ist jedoch die Pass-Quote eher niedrig.
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