The RHCA is the most senior system administration credential and is designed for technical leaders working in demanding enterprise environments.
A Red Hat® Certified Engineer (RHCE®) who earns an RHCA certification brings an exceptional breadth and depth of knowledge to the biggest IT challenges. RHCA certification incorporates the skills and knowledge of a Red Hat Certified Datacenter Specialist (RHCDS) plus advanced networking services security, system monitoring, and performance tuning.
1. Installing and configuring a Red Hat Network Satellite server 2. Configuring users, groups, administrators, and activation keys on a Satellite. 3. Creating base and child channels on a Satellite. 4. Using Cobbler and Satellite to install, configure, and manage systems. 5. Managing data using logical volumes and snapshots. 6. Configuring high-availability clusters using physical or virtual systems. 7. Configuring a GFS file system to meet performance, size, and quota objectives. 8. Configuring iSCSI targets and initiators. 9. Configuring a Kerberos realm. 10. Configuring Red Hat Directory Server to provide a centralized directory with access control. 11. Configuring Red Hat Enterprise Linux® clients to authenticate using various mechanisms, including Kerberos, LDAP, and Microsoft Active Directory. 12. Configuring and managing hypervisors and virtual hosts using Red Hat Enterprise Virtualization. 13. Configuring Analyzing system performance and behavior using tools such as vmstat, iostat, mpstat, and sar. 14. Configuring systems to provide information using SNMP. 15. Configuring runtime kernel parameters. 16. Analyzing system and application behavior using ps, strace, top, Oprofile, and Valgrind. 17. Configuring disk subsystems and scheduling algorithms and network buffers for optimal performance for specific requirements.