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Exam Overview
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.

  1. Question 1

    Drag & Drop

    Create a snapshot of the Stratis file system fs1 in pool pool1 named fs1-snap.

    Show Answer & Explanation Hide Answer & Explanation

    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 )

  2. Question 2

    Drag & Drop

    Create a new swap file of size 512 MiB at /swapfile, activate it, and make it persistent.

    Show Answer & Explanation Hide Answer & Explanation

    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.

  3. Question 3

    Drag & Drop

    Boot once into emergency mode from GRUB.

    Show Answer & Explanation Hide Answer & Explanation

    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 )

  4. Question 4

    Drag & Drop

    Configure AutoFS so that accessing /shares/projects mounts server1:/srv/nfs/projects.

    Show Answer & Explanation Hide Answer & Explanation

    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 )

  5. Question 5

    Drag & Drop

    Configure HTTP service access on a non-standard port 82 and allow it through SELinux and firewalld.

    Show Answer & Explanation Hide Answer & Explanation

    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.