Half. Red Hat certification is launched by Red Hat linux company, mainly including Red Hat Certified Technician (RHCSA), Red Hat Certified Engineer (RHCE) and Red Hat Certified Architect (RHCA). It is a test program based on practical operation ability, mainly examining the practical ability of candidates in the actual operating system. Red Hat certification is generally wrong half of the questions can not pass. Red Hat training and testing is very much focused on developing actual hands-on practical ability.