The architecture, components, and operations of routers and switches in a small network. Students learn how to securely configure a router and a switch for basic functionality. By the end of this course, students will be able to configure and troubleshoot routers and switches and configure and resolve common issues with Static and Dynamic routes, DHCP, virtual LANs, and inter-VLAN routing in both IPv4 and IPv6 networks following security best practices. Students will also configure network redundancy and WLANs following security best practices. This is the second course that will prepare students for a CCNA certification.