| Exam Code | EX200 |
| Exam Name | Red Hat Certified System Administrator |
| Vendor | RedHat |
| Total Questions | 136 |
| Last Updated | 26-Oct, 2026 |
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Free EX200 Practice Questions
Explore 5 free practice questions for the RedHat EX200 exam and review the answers and explanations to support your preparation.
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Question 1
Drag & DropCreate a snapshot of the Stratis file system fs1 in pool pool1 named fs1-snap.
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Correct Answer
See the solution below in Explanation.
Explanation
Solution:
stratis filesystem snapshot pool1 fs1 fs1-snap
stratis filesystem list
Detailed Explanation:
This creates a snapshot of the existing Stratis file system.
Snapshots are useful for rollback, backup, and testing operations.
Stratis features, including pool and file-system management, are part of RHEL 10 file-system administration. ( Red Hat Documentation )
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Question 2
Drag & DropCreate a new swap file of size 512 MiB at /swapfile, activate it, and make it persistent.
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Correct Answer
See the solution below in Explanation.
Explanation
Solution:
dd if=/dev/zero of=/swapfile bs=1M count=512
chmod 600 /swapfile
mkswap /swapfile
swapon /swapfile
echo "/swapfile swap swap defaults 0 0" > > /etc/fstab
swapon --show
Detailed Explanation:
dd creates the file.
chmod 600 protects swap contents.
mkswap prepares the file as swap.
swapon activates it now.
/etc/fstab ensures it is enabled at boot.
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Question 3
Drag & DropBoot once into emergency mode from GRUB.
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Correct Answer
See the solution below in Explanation.
Explanation
Solution:
Reboot the server.
At the GRUB menu, highlight the kernel entry and press e.
Find the line starting with linux.
Append:
systemd.unit=emergency.target
Press Ctrl+x to boot.
Detailed Explanation:
This changes the boot target only for the current boot.
Emergency mode is useful for rescue and maintenance tasks.
Red Hat’s RHEL 10 systemd guidance documents booting with systemd.unit= < name > .target from GRUB. ( Red Hat Documentation )
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Question 4
Drag & DropConfigure AutoFS so that accessing /shares/projects mounts server1:/srv/nfs/projects.
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Correct Answer
See the solution below in Explanation.
Explanation
Solution:
dnf install -y autofs
mkdir -p /shares
echo "/shares /etc/auto.shares" > > /etc/auto.master
echo "projects -fstype=nfs,rw server1:/srv/nfs/projects" > /etc/auto.shares
systemctl enable --now autofs
ls /shares/projects
Detailed Explanation:
/etc/auto.master defines the main map.
/etc/auto.shares defines the indirect mount entry.
The mount happens on demand when /shares/projects is accessed.
RHEL 10 file-system documentation includes AutoFS for on-demand mounts. ( Red Hat Documentation )
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Question 5
Drag & DropConfigure HTTP service access on a non-standard port 82 and allow it through SELinux and firewalld.
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Correct Answer
See the solution below in Explanation.
Explanation
Solution:
Open the firewall port and HTTP service:
firewall-cmd --permanent --add-port=82/tcp
firewall-cmd --permanent --add-service=http
firewall-cmd --reload
Add SELinux port labeling:
semanage port -a -t http_port_t -p tcp 82
Detailed Explanation:
firewall-cmd --permanent makes the change persistent.
--add-port=82/tcp opens the custom TCP port.
--add-service=http keeps standard HTTP allowed too.
SELinux blocks services on unexpected ports unless the port is labeled correctly.
http_port_t tells SELinux that port 82 is valid for web services.