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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Operate running systems | 20% | - Manage networking and network services - Manage logging and journaling - Boot systems into different targets; manage systemd units - Schedule tasks using cron and at - Maintain accurate system time with chrony |
| Topic 2: Perform basic shell scripting | - Use conditional statements, loops, and script inputs | |
| Topic 3: Manage security | 10% | - Restore file contexts and troubleshoot SELinux issues - Enforce SELinux modes, contexts, booleans, and port labeling |
| Topic 4: Configure local storage | 15% | - Configure swap space - List, create, delete partitions and GPT/MBR layouts - Create and manage LVM physical volumes, volume groups, logical volumes |
| Topic 5: Create and configure file systems | 15% | - Maintain entries in /etc/fstab using UUID or labels - Mount and manage network file systems (NFS, autofs) - Create and mount XFS, ext4, VFAT file systems - Manage access control lists (ACLs) |
| Topic 6: Manage users and groups | 10% | - Manage password policies and sudo access - Configure SSH key-based authentication - Create, delete, modify users and groups |
| Topic 7: Deploy, configure, and maintain systems | 15% | - Configure firewalld firewall rules - Manage network interfaces and settings with NetworkManager/nmcli - Manage software packages with DNF/YUM |
| Topic 8: Understand and use essential tools | 25% | - Archive, compress, unpack files using tar, gzip, bzip2 - Use grep and regular expressions - Access remote systems via SSH - Access shell prompt and issue commands with correct syntax - Create/edit text files; manage files, directories, links, permissions - Use input-output redirection |
On each attempt, the RedHat EX200 practice test questions taker will provide a score report. With this report, one can find mistakes and remove them for the final attempt. A situation that the web-based test creates is similar to the EX200 Real Exam Questions. Practicing in this situation will help you kill Red Hat Certified System Administrator - RHCSARHEL 10 (EX200) exam anxiety. The customizable feature of this format allows you to change the settings of the Red Hat Certified System Administrator - RHCSARHEL 10 (EX200) practice exam.
NEW QUESTION # 25
Part 1 (on Node1 Server)
Task 5 [Controlling Access to Files with ACLs]
Copy the file /etc/fstab to /var/tmp. Configure the following permissions on /var/tmp/fstab.
The file /var/tmp/fstab is owned by root user
The file /var/tmp/fstab is belongs to the root group
The file /var/tmp/fstab should be executable by anyone
The user harry is able to read and write on /var/tmp/fstab
The user natasha can neither read or write on /var/tmp/fstab
All other users (Current or future) have the ability to read /var/tmp/fstab
Answer:
Explanation:
* [root@node1 ~]# cp -p /etc/fstab /var/tmp/
[root@node1 ~]# ls -lrt /etc/fstab
[root@node1 ~]# ls -lrt /var/tmp/fstab
[root@node1 ~]# chmod a+x /var/tmp/fstab
[root@node1 ~]# getfacl /var/tmp/fstab
[root@node1 ~]# setfacl -m u:harry:rw- /var/tmp/fstab
[root@node1 ~]# setfacl -m u:natasha:--- /var/tmp/fstab
[root@node1 ~]# getfacl /var/tmp/fstab
getfacl: Removing leading '/' from absolute path names
# file: var/tmp/fstab
# owner: root
# group: root
user::rwx
user:harry:rw-
user:natasha:---
group::r-x
mask::rwx
other::r-x
* [root@node1 ~]# su - natasha
[natasha@node1 ~]$ cat /var/tmp/fstab
cat: /var/tmp/fstab: Permission denied
NEW QUESTION # 26
Debugging SELinux
A web server running on non-standard port 82 encounters issues while serving content. Debug and resolve the problem to meet the following conditions:
- The web server on the system can serve HTML files hosted in /var/www/html (Note: Do not delete or modify existing file contents)
- The web server can serve content on port 82
- The web server can start automatically at system boot
Answer:
Explanation:
# Check which package provides the semanage command
[root@node1 ~]# yum provides "*/semanage"
# Install the semanage command
[root@node1 ~]# yum -y install policycoreutils-python-utils
[root@node1 ~]# semanage port -l |grep http
[root@node1 ~]# semanage port -a -t http_port_t -p tcp 82
# Alternatively, you can use man semanage port, then search for EXAMPLE.
[root@node1 ~]# systemctl restart httpd
[root@node1 ~]# systemctl enable httpd
# Verification, seeing the source code indicates correctness (mandatory operation)
[root@node1 ~]# curl http://node1.domain250.example.com:82
NEW QUESTION # 27
SIMULATION
Create a backup
Create a backup file named /root/backup.tar.bz2, contains the content of /usr/local, tar must use bzip2 to compress.
Answer:
Explanation:
See explanation below.
Explanation/Reference:
Explanation:
cd /usr/local
tar -jcvf /root/backup.tar.bz2
mkdir /test
tar -jxvf /root/backup.tar.bz2 -C /test// Decompression to check the content is the same as the /usr/loca after If the questions require to use gzip to compress. change -j to -z.
NEW QUESTION # 28
Create a volume group, and set the size is 500M, the size of single PE is 16M. Create logical volume named lv0 in this volume group, set size is 20 PE, make it as ext3 file system, and mounted automatically under data.
Answer:
Explanation:
see explanation below.
Explanation
fdisk /dev/vda
pvcreate /dev/vda3
vgcreate -s 16M vg0 /dev/vda3
lvcreate -n lv0 -l 20 vg0
mkfs.ext3 /dev/mapper/vg0-lv0
mkdir /data
/etc/fstab:
/dev/mapper/vg0-lv0 /data ext3 defaults 0 0
mount -a
mount | grep data
NEW QUESTION # 29
There are two different networks 192.168.0.0/24 and 192.168.1.0/24. Where 192.168.0.254 and
192.168.1.254 IP Address are assigned on Server. Verify your network settings by pinging 192.168.1.0/24 Network's Host.
Answer:
Explanation:
see explanation below.
Explanation
* vi /etc/sysconfing/network NETWORKING=yes HOSTNAME=station?.example.com GATEWAY=192.168.0.254 service network restart
2.vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=X.X.X.X
NETMASK=X.X.X.X
GATEWAY=192.168.0.254
ifdown eth0
ifup eth0
NEW QUESTION # 30
......
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