The JNCIS-ENT certification is designed for experienced networking professionals with intermediate knowledge of Junos routing and switching and competence with Juniper Networks technology. Passing the JNCIS-ENT certification exam verifies your basic understanding of routing and switching technologies and your related platform configuration and troubleshooting skills. Exam topics include: Layer 2 switching and VLANs, Spanning Tree, Layer 2 security, protocol independent routing, Open Shortest Path First (OSPF), Intermediate System to Intermediate System (IS-IS), Border Gateway Protocol (BGP), tunnels, and High Availability.