Networking Essentials: From LAN to the Internet
Networking Essentials: From LAN to the Internet Networking helps devices share information, printers, and internet access. A LAN covers a home or office space, while a WAN connects multiple LANs over larger distances. The Internet is a vast network of networks that uses a common language called TCP/IP to move data. Inside a LAN, devices use private IP addresses and MAC addresses to talk to each other. A switch forwards data within the local network, and a router links the LAN to the wider world. Your router often performs NAT, which lets many private addresses share one public IP when you go online. ...