Terms are also listed as they are commonly referenced. This acronym is listed, therefore, as POS . A LAN is analogous to residential streets. A WAN is analogous to the interstate highway. POS generally uses fiber optics.
Most ethernets use wire or, occasionally, fiber optics.
An example is an organization with an office and a network access point that provide services as requested to all networks in a region. Network Components router a computer that handles interchanging data between several different networks, based on the IP address. This is also known as T1 and T3. KBps, MBps, GBps. TCP and UDP use IP as their underlying network layer.