This document discusses various networking components and their characteristics. It describes routers as layer 3 devices that connect different networks and send data packets using IP addresses. Rouches maintain routing tables that are periodically refreshed using routing protocols to transmit packets. Switches help encrypt network communication and avoid traffic duplication. Optic fiber cables connect routers to network sources, while Ethernet cables and RJ45 ports connect workstations to routers in a local area network. Nodes refer to computers connected to the network. Steps for checking IP configuration include opening the command prompt and typing "ip config".