Core routing protocols (IGPs, BGP) and path control
Policy-based routing and routing policy language
MPLS VPN technologies and traffic engineering
IPv6 routing and addressing strategies
Layer 2 switching, VLANs, and forwarding mechanisms
Routing platform architecture, management, and security hardening
High availability, redundancy, and resiliency
Quality of Service (QoS) and traffic management
Multicast routing and group communications
Network automation, monitoring, and troubleshooting