One of our customers has completed JN0-102 Juniper Networks Certified Internet Associate, Junos(JNCIA-Junos) exam, and he came to ask if he can take JN0-420 JNCIS-DevOps exam. Please note, on 10/1/2018, JNCIA-DevOps exam becomes the prerequisite for the JNCIS-DevOps certification. Prior to 10/1/2018, the JNCIA-Junos certification will remain the prerequisite for JNCIS-DevOps. If you meet the