Learn course content and teaching strategies to teach the third course in the 3-course CCNA series. This course describes the architectures and considerations related to designing, securing, operating, and troubleshooting enterprise networks. It covers wide area network (WAN) technologies and quality of service (QoS) mechanisms used for secure remote access along with the introduction of software-defined networking, virtualization, and automation concepts that support the digitalization of networks. Recommended preparation: CCNAv7: Switching, Routing, and Wireless Essentials or possessing equivalent knowledge.