Overview of the Routing and Switching Solutions for System Engineers - RSSSE Exam
The 644-066 RSSSE exam mandates that System Engineers demonstrate advanced proficiency in architecting enterprise-grade routing and switching infrastructures. Candidates must navigate complex Layer 2 and Layer 3 topologies, specifically focusing on implementation strategies for OSPF, EIGRP, BGP, and advanced spanning-tree protocols within Catalyst and Nexus environments. The curriculum mandates deep technical competency in optimizing VLAN segmentation, multilayer switching, and inter-VLAN routing performance. Furthermore, engineers must master Quality of Service (QoS) deployment, high availability mechanisms including HSRP and VRRP, and systematic troubleshooting methodologies across converged wide area networks. Success requires integrating these networking components to deliver robust, scalable, and secure connectivity solutions for enterprise clients.