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    The JNCIS-ENT is a written exam that has been designed specifically for networking professionals who have a beginner to an intermediate level of knowledge in terms of routing and switching implementations in Junos.
    The topics of the JNCIS-ENT exams are based on content that the training courses follow and additional resources as well. Clearing the exam provides certification for two years following which candidates have to pass the JNO-343 exam.


    The course includes :

    • Layer 2 switching and VLANs: Within this students are asked to identify concepts, operation as well as functionality for Layer 2 switching using the Junos OS. This also includes Enterprise switching platforms, frame processing, bridging components, benefits, concepts and the functionality of VLAN’s as well as various other functions relating to the same.
    • Spanning Tree: Identification of the benefits, concepts and the functionality of the Spanning Tree Protocol, Convergence and reconvergence, BPDU’s, etc.
    • Layer 2 Security: Identification of the benefits, concepts and the operation of the various security and protection features, storm control, filter types, port security, DHCP snooping, MAC limiting, firewall filter configuration as well as application.
    • Protocol independent routing: Identification of the operation, functionality and concepts of the various protocol-independent components of routing, load balancing, filter-based forwarding, Martian address, etc.
    • Open Shortest Path First (OSPF): Identification of the operation, functionality and concepts of OSPF, router ID, LSA packet types, Router ID, Routing policy application etc.
    • Intermediate System to Intermediate System (IS-IS): Identification of the operation, functionality, and concepts of IS-IS, TLV’s, levels and areas, metrics, additional basic options, etc.
    • Border Gateway Protocol (BGP): Basic operation, message types, attributes etc
    • Tunnels: GRE, IP-IP, tunnel considerations, and applications.
    • High availability: Link aggregation groups (LAG), Graceful Routing Engine switchover (GRES), Virtual Chassis, Nonstop bridging, Unified In-Service Software Upgrade, configuration and monitoring of high availability components.