(The brand-new CCIE EI practical course explains new technologies of network architecture from a higher-dimensional perspective, from a theoretical and practical perspective. Course content includes SDN introduction and Cisco SDN solution, SD-Access introduction, SDA LAB practice, LISP detailed explanation, Policy strategy, Multi Site multi-site, Automation automation, Assurance protection, SD-WAN deployment and data segmentation, SD-WAN comprehensive interpretation , SDW Lab Template experiment explanation, Cisco wireless WL technology practice, and systematic multi-dimensional teaching allow students to master new technologies faster.)