The Red Hat Certified System Administrator (EX200) exam validates your ability to perform core system administration tasks on RedHat Enterprise Linux systems. This certification is ideal for IT professionals who manage Linux infrastructure, configure servers, and maintain system security in production environments. This page guides you through the exam structure, key topics, and effective preparation strategies to help you succeed on your first attempt.
Use this topic map to guide your study for RedHat EX200 (Red Hat Certified System Administrator) within the Red Hat Certified System Administrator path.
The EX200 exam combines multiple-choice questions with practical, scenario-based items that measure both theoretical knowledge and hands-on problem-solving ability. Questions progress in difficulty and reflect real-world system administration challenges you will encounter in production environments.
A structured study plan that maps each topic to weekly goals ensures comprehensive coverage and builds confidence before exam day. Balance theoretical review with practical lab work to reinforce learning and develop muscle memory for common tasks.
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Security (SELinux and firewall configuration), networking, and storage management typically represent a larger portion of the exam. However, all ten topics are tested, so balanced preparation across all domains is essential. Focus extra study time on security and networking if you have limited background in these areas.
In practice, these topics overlap constantly. For example, deploying a system requires understanding essential tools, file systems, and networking; securing it involves user management, file permissions, and SELinux policies; and maintaining it requires package management and container operations. Study how each topic supports the others rather than treating them as isolated skills.
Aim to spend at least 40-50 hours on practical labs across all topics, with emphasis on storage, networking, security, and user management. Work through common scenarios like configuring a new user account with proper permissions, setting up a firewall rule, and mounting a new file system. Hands-on experience builds confidence and helps you work faster during the exam.
Candidates often rush through scenario questions without fully reading the requirements, leading to incorrect configuration choices. Others underestimate the importance of SELinux contexts and firewall rules, which can cause services to fail silently. Finally, poor time management results in incomplete answers on later questions. Read carefully, test your configurations, and pace yourself to avoid these pitfalls.
Review command syntax and common file locations for your weakest topics, then run a full-length practice test under exam conditions to build pacing and identify remaining gaps. Spend time on any scenario-based questions you found confusing, and practice rapid navigation of configuration files and system tools. Avoid learning new material in the final days; instead, reinforce what you already know.
Configure your Host Name, IP Address, Gateway and DNS.
Host name: dtop5.dn.ws.com
IP Address: 172.28.10.5/4
Gateway: 172.28.10.1
DNS: 172.28.10.1
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.
Create the following users, groups, and group memberships:
A group named adminuser.
A user natasha who belongs to adminuser as a secondary group A user harry who also belongs to adminuser as a secondary group.
A user sarah who does not have access to an interactive shell on the system, and who is not a member of adminuser, natasha, harry, and sarah should all have the password of redhat.
Create a user named alex, and the user id should be 1234, and the password should be alex111.