Approved 83 203 ZCIE of Routing Switching Routing Switching Expert Level Theoretical Exam – Success Pathway Course

[83 203 ZCIE of Routing Switching Routing Switching Expert Level Theoretical Exam – Success Pathway Course] In This Course of ,This exam evaluates advanced expertise in routing and switching. Topics include MPLS and Segment Routing, advanced OSPF/IS-IS/BGP routing design, multicast, traffic engineering, network convergence, high availability protocols (VRRP, HSRP, BFD), advanced QoS, and security at the infrastructure layer. Engineers demonstrate theoretical mastery of designing, scaling, and securing large carrier-class and enterprise routing environments.