RHCSA is an entry-level certification that focuses on actual competencies at system administration, including installation and configuration of a Red Hat Enterprise Linux system and attach it to a live network running network services.
To achieve the RHCSA certification the student must pass EX200, a 2.5-hour hands-on lab exam. The minimum passing score for the exam is 210 out of 300 possible points (70%).
Red Hat® Certified System Administrator ( Syllabus for RHEL 7 )
According to Red Hat, a certified system administrator (RHCSA) should be able to perform below task without any issue.
Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services.
Configure local storage using partitions and logical volumes.
Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems.
Deploy, configure, and maintain systems, including software installation, update, and core services.
Manage users and groups, including use of a centralized directory for authentication.
Manage security, including basic firewall and Selinux configuration.