<P> Wireless LAN, also widely known as WLAN or WiFi, is probably the most well - known member of the IEEE 802 protocol family for home users today . It is standardized by IEEE 802.11 and shares many properties with wired Ethernet . </P> <P> The Internet Protocol Suite, also called TCP / IP, is the foundation of all modern networking . It offers connection-less as well as connection - oriented services over an inherently unreliable network traversed by data - gram transmission at the Internet protocol (IP) level . At its core, the protocol suite defines the addressing, identification, and routing specifications for Internet Protocol Version 4 (IPv4) and for IPv6, the next generation of the protocol with a much enlarged addressing capability . </P> <P> Synchronous optical networking (SONET) and Synchronous Digital Hierarchy (SDH) are standardized multiplexing protocols that transfer multiple digital bit streams over optical fiber using lasers . They were originally designed to transport circuit mode communications from a variety of different sources, primarily to support real - time, uncompressed, circuit - switched voice encoded in PCM (Pulse - Code Modulation) format . However, due to its protocol neutrality and transport - oriented features, SONET / SDH also was the obvious choice for transporting Asynchronous Transfer Mode (ATM) frames . </P> <P> Asynchronous Transfer Mode (ATM) is a switching technique for telecommunication networks . It uses asynchronous time - division multiplexing and encodes data into small, fixed - sized cells . This differs from other protocols such as the Internet Protocol Suite or Ethernet that use variable sized packets or frames . ATM has similarity with both circuit and packet switched networking . This makes it a good choice for a network that must handle both traditional high - throughput data traffic, and real - time, low - latency content such as voice and video . ATM uses a connection - oriented model in which a virtual circuit must be established between two endpoints before the actual data exchange begins . </P>

When can you say that two or more computers are said to be networked together