The RHCE certification is a certification you can earn to become RHCSA (Red Hat Certified System Administrator). The RHCSA is an entry level certification To achieve the RHCSA is an entry level certification. To achieve RHCSA certification student must pass EX200, a 2.5 hour hand on lab exam. The passing score of the exam is 210 out of 300 (70%). RHCE is a mid to advance level exam. It is build on topics covered in the RHCSA exam. It covered advance level topics such as security and installing common enterprise networking (IP) services. To achieve RHCE candidate must pass RHCSA, EX200. In addition candidate must pass EX300, a 3.5 hour hands on lab exercise. Red Hat Certified Architect (RHCA) is a top level certification. It focus on enterprise level. RHCA is based on data center, cloud, application development, application platform. RHCA was launched in 2005. Red Hat Certified Virtualization administrator (RHCVA) that focuses on virtualization.To achieve RHCVA student must achieve RH318. JBoss Certified Application Administrator (JBCAA) , to achieve this candidate must pass the exam Ex336, four hour hand on lab exam. JBCAA was launched in September 2009.