Chapter 1: Enhanced Switched TechnologiesChapter 2: Security with ACLsChapter 3: Internet Protocol Version 6 (IPv6)Chapter 4: Troubleshooting IP, IPv6, and VLANsChapter 5: Network Address Translation (NAT)Chapter 6: IP ServicesChapter 7: Security FundamentalsChapter 8: First-Hop Redundancy Protocol (FHRP)Chapter 9: Quality of Service (QoS)Chapter 10: Wireless TechnologiesChapter 11: Configuring Legacy Wireless ControllersChapter 12: Configuring Modern Wireless ControllersChapter 13: Virtualization, Containers, and VRFsChapter 14: Software-Defined NetworkingChapter 15: Automation, Data Formats, and REST APIsChapter 16: Configuration Management