Are you preparing for the RHCSA Certification Exam? If yes, then you are at the right place. Here we have prepared the Top 30 RHCSA Certification Exam Questions and Answers for IT Aspirants who want to make a career in the IT Industry with RHCSA skills.

Moreover, we will introduce you to a reputed training institute offering a dedicated training program related to RHCSA skills. What are we waiting for? Let’s move forward!

What is RHCSA Certification?

A fundamental, performance-based certification that attests to your proficiency in handling essential system administration duties in Red Hat Enterprise Linux (RHEL) settings is the Red Hat Certified System Administrator (RHCSA).

In order to obtain it, you must pass the EX200 test, which calls for completing practical tasks including managing users, configuring storage, and guaranteeing system security on a live server.

What is RHCSA Certification?

In 2026, it is still the most prestigious entrance point for jobs in Linux administration, cloud computing, and DevOps, and it is still a necessary condition for more advanced qualifications like the RHCE.

Let’s take a look at the Top 30 RHCSA Certification Exam Questions and Answers and be prepared to crack the examination with ease!

Top 30 RHCSA Certification Exam Questions and Answers

How do you manage services using systemctl in RHEL 9?

Using the systemctl command, an action, and the service name, I can control services in RHEL 9. For example, I can use sudo systemctl start to activate it or sudo systemctl enable --now to both start it immediately and set it to begin automatically at startup.

What are the steps to configure static IP addressing in RHEL 9?

Use the nmcli command to change the connection's IPv4 method to manual, assign the address, gateway, and DNS, and then restart the interface using nmcli con down && nmcli con up to set up a static IP in RHEL 9.

How do you configure a firewall using firewalld in RHEL 9?

I can add or remove services and ports in RHEL 9 by configuring the firewall with the firewall-cmd software. Make sure to use the --permanent flag and then firewall-cmd --reload to make your changes last through reboots.

What is SELinux, and how do you configure SELinux in RHEL 9?

Using security labels (contexts) to specify precisely how processes can interact with files, ports, and other system resources, SELinux (Security-Enhanced Linux) is a kernel security module that implements Mandatory Access Control (MAC) and offers a granular layer of protection.

How do you use sudo to grant administrative privileges to a user in RHEL 9?

In RHEL 9, I can add a user to the wheel group—which is pre-configured in the sudoers file to grant users full administrative access—by using the command sudo usermod -aG wheel.

How do you check and configure system time zones in RHEL 9?

In RHEL 9, I may use timedatectl to get the current time zone and use sudo timedatectl set-timezone, such as sudo timedatectl set-timezone Asia/Kolkata, to specify a new one.

What is the nmcli command, and how is it used for network configuration in RHEL 9?

Through direct interaction with the NetworkManager daemon, the nmcli (NetworkManager Command-Line Interface) is a potent tool for creating, displaying, editing, and activating network connections in RHEL 9.

How do you configure the NFS server and client in RHEL 9?

Installing nfs-utils, defining shared folders in /etc/exports on the server (such as /data *(rw, sync)), then attaching the remote share using the mount command or /etc/fstab on the client are the steps involved in configuring NFS in RHEL 9.

How do you manage users and groups using useradd and groupadd in RHEL 9?

In the following ways, I can manage users and groups using useradd and groupadd in RHEL 9:

a) Creating a New User (useradd),

b) Setting & Managing Passwords (passwd),

c) Creating and Managing Groups (groupadd),

d) Adding Users to Supplementary Groups (usermod), and

e) Verifying User & Group Status (id & getent).

How do you install and remove software packages using dnf in RHEL 9?

I can use sudo dnf install to download and install a new program along with its dependencies in RHEL 9, and sudo dnf delete to remove the application and its related files from the system.

What is the lsblk command used for in RHEL 9?

The lsblk command, which stands for "list block devices" in RHEL 9, is used to show a tree-like, hierarchical summary of all the storage devices (disks, partitions, and logical volumes) that are available, together with their mount points and sizes.

How do you create and manage disk partitions using parted or gfdisk in RHEL 9?

I use gdisk for an interactive GPT-focused workflow (with commands like n for new, t for type, and w for write) or parted for a scriptable method (e.g., sudo parted /dev/sdb mkpart primary xfs 1MiB 10GiB) to build and manage partitions in RHEL 9.

How do you set up and configure a swap partition in RHEL 9?

I prepare a dedicated partition or disk using mkswap, activate it with swapon, then add an entry to /etc/fstab to make sure it mounts automatically at startup in order to set up a swap partition in RHEL 9.

How do you configure and use LVM (Logical Volume Management) in RHEL 9?

By starting partitions as Physical Volumes (pvcreate), merging them into a Volume Group (vgcreate), and creating Logical Volumes (lvcreate), which may subsequently be formatted and mounted for adaptable, resizable storage, I can set up LVM in RHEL 9.

What are the steps to configure an SSH key pair for passwordless login in RHEL 9?

In the following steps, we can configure an SSH key pair for passwordless login in RHEL 9:

a) Generate the Key Pair (ssh-keygen),

b) Copy the Public Key to the Remote Server (ssh-copy-id),

c) Verify Permissions (Manual Check),

d) Test the Connection, and

e) Disable Password Authentication (Optional/Hardening).

How do you configure and manage RAID arrays using mdadm in RHEL 9?

RAID arrays in RHEL 9 can be configured by combining physical disks into a software RAID device (such as /dev/md0) using mdadm --create, formatting the resulting device with a filesystem, and recording the configuration in /etc/mdadm.conf to guarantee the array survives and reassembles properly after a reboot.

How do you configure and manage systemd services in RHEL 9?

While service configurations are specified in unit files found in /etc/systemd/system/, I may manage services under RHEL 9 using the systemctl command to carry out operations like start, stop, enable (for boot persistence), and status.

What are the main differences between iptables and firewalld in RHEL 9?

The primary distinction is that iptables is a static service where each change necessitates a full flush and reload of all rules, potentially disrupting current traffic, whereas firewalld is a dynamic, zone-based management tool that permits configuration changes without dropping active network connections.

How do you enable and disable services using systemctl in RHEL 9?

I can set up a service in RHEL 9 to start automatically at startup by using sudo systemctl enable, and I can stop it from beginning during the boot process by using sudo systemctl disable.

How do you mount and unmount filesystems in RHEL 9?

To ensure that all cached data is written to the disk, I can use the mount command in RHEL 9 to connect a filesystem to a specified directory (for example, sudo mount /dev/sdb1 /mnt/data) and the umount command to safely detach it.

What is the purpose of the /etc/fstab file in RHEL 9?

The /etc/fstab file in RHEL 9 functions as a static configuration table that specifies where and how disk partitions, remote shares, and other filesystems should be mounted automatically when the system boots up.

How do you configure network interfaces using nmcli or the NetworkManager in RHEL 9?

By using commands like nmcli con add to build a profile, nmcli con mod to assign a static IP (such as ipv4.addresses 192.168.1.10/24), and nmcli con up to activate the interface, I can use nmcli to manage connections in RHEL 9.

What is the role of the /etc/hostname file, and how do you change the system hostname in RHEL 9?

The system's persistent "static" hostname is stored in the /etc/hostname file under RHEL 9. I may modify it with the sudo hostnamectl set-hostname command, which updates the file and instantly implements the change without requiring a reboot.

How do you configure a DNS server in RHEL 9?

Installing the bind and bind-utils packages, defining your network settings, and zone locations in /etc/named.conf, creating forward and reverse zone files in /var/named/, and turning on the named service are the steps I take to configure a DNS server in RHEL 9.

What is the cron service, and how do you schedule tasks using crontab in RHEL 9?

In RHEL 9, the cron service is a time-based task scheduler that operates as a background daemon (crond) to carry out commands or scripts at predetermined intervals specified in a user's crontab (cron table) file.

How do you troubleshoot networking issues in RHEL 9?

In the following ways, I can troubleshoot networking issues in RHEL 9:

a) Verify Interface & Link Status (ip & nmcli),

b) Check IP Addressing & Routing (ip addr & ip route),

c) Test Basic Connectivity & Path (ping & traceroute),

d) Validate DNS & Port Listening (dig & ss), and

e) Inspect Firewall & Logs (firewall-cmd & journalctl).

How do you configure a basic Apache HTTP server in RHEL 9?

Installing the httpd package, starting and enabling the service with systemctl, allowing traffic via the firewall with firewall-cmd --add-service=http, and putting your website content in the /var/www/html/ directory are the steps I take to set up a basic Apache HTTP server in RHEL 9.

How do you manage users' file permissions using chmod, chown, and chgrp in RHEL 9?

I can control file access in RHEL 9 by using chmod to modify read/write/execute permissions, chown to modify the owner and group (for example, sudo chown user:group file), and chgrp to modify the group ownership in particular.

How do you back up and restore system files using tar and rsync in RHEL 9?

In RHEL 9, I can use rsync for effective file synchronization (e.g., rsync -avz /src /dest), which only transfers changes between directories or servers, and tar to build compressed archive files (e.g., tar -czvf backup.tar.gz /etc) for long-term storage.

How do you enable and configure automatic updates in RHEL 9?

By installing the dnf-automatic package, setting up the update behavior in /etc/dnf/automatic.conf, and using sudo systemctl enable --now dnf-automatic.timer to activate the systemd timer, I can enable automatic updates in RHEL 9.

Top 30 RHCSA Certification Exam Questions and Answers

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