Errata for the Official Certification Guide is listed under “updates”.
Additional topics of study for the ENCOR exam:
Notes and study resources by chapter
Ch 1: Packet forwarding
Ch 2: Spanning Tree Protocol
- All Systems Down – a story of STP gone wrong
- Algorhyme – Radia Perlman’s poem that explains STP
- Max STP diameter – a breakdown of why there are limits to STP
Ch 3: Advanced STP Tuning
Ch 4: Multiple Spanning Tree Protocol
Ch 5: VLAN Trunks and EtherChannel Bundles
Ch 6: IP Routing Essentials
Ch 7: EIGRP
- Fundamental EIGRP concepts
- EIGRP Configuration (includes a bit on Wide Metrics)
Ch 8: OSPF
Ch 9: Advanced OSPF
Ch 10: OSPFv3
Ch 11: BGP
- Project TON – Connect to a live remote BGP peer without needing to setup an account.
- BGP for All training videos
Ch 12: Advanced BGP
- Dynamic BGP (not part of ENCOR but good to be aware of)
Ch 13: Multicast
- Multicast Quiz by Kelvin
Ch 14: QoS
- QoS Values Calculator (PDF)
- QoS Cheat Sheet from Packet Life (PDF)
Ch 15: IP Services
Ch 16: Overlay Tunnels
Ch 17: Wireless Signals and Modulation
Ch 18: Wireless Infrastructure
Ch 19: Understanding Wireless Roaming and Location Services
Ch 20: Authenticating Wireless Clients
Ch 21: Troubleshooting Wireless Connectivity
Ch 22: Enterprise Network Architectur
Ch 23: Fabric Technologies
- WAN and LAN Automation with Cisco SD-WAN and SD-Access – BRKCRS-2186 (Audio starts about 3 minutes in)
- TODO: We need a lab for this chapter.
- SD-WAN in GNS3 Lab
- SD-WAN notes