A basic introduction to network devices

Network equipment is a special hardware device used to connect various servers, PCs, application terminals and other nodes to each other to form an information communication network. Including information network equipment, communication network equipment, network security equipment, etc. Common network equipment includes: switches, routers, firewalls, bridges, hubs, gateways, VPN servers, network interface cards (NICs), wireless access points (WAPs), modems, 5G base stations, optical transceivers, optical transceivers, optical cables, etc.