Course Content Lessons Status 1 Are firewall sandwiches still best practice? 2 When is a centralized segmentation product needed? 3 Design an IPSEC VPN headend to support 1M tunnels. 4 Why is L2 extension between data centers bad? 5 Considering encryption, would you use a physical or virtual firewall? 6 Design a modern global WAN comparing SD-WAN and private MPLS. 7 Do we still need WAN accelerators in the future? 8 QoS design when softphones don’t mark. 9 Transitioning to SD-WAN with no refresh cycle. 10 NAC on a large campus that allows BYOD. 11 HTTP server in a firewall sandwich–WAF, too? 12 Is network automation really helping operations? 13 Is QoS the same as 10 years ago? 14 Is the software defined campus real? 15 Is there real value in using multiple firewall vendors? 16 MPLS vs. Cisco DNA with ISE’s Scalable Group Tags. 17 Shared SAN over a 300 mile link? 18 Single or multi-vendor leaf-spine?