Explore Cisco-proprietary protocols DTP (Dynamic Trunking Protocol) and VTP (VLAN Trunking Protocol) in this comprehensive video lecture from the CCNA 200-301 course. Learn about DTP configuration, modes, and trunk encapsulation negotiation, as well as VTP servers, clients, and transparent mode. Gain hands-on experience through demonstrations, quizzes, and practice labs to reinforce your understanding of these essential networking concepts. Prepare for the CCNA certification exam with in-depth coverage of official exam topics and additional resources for further study.